Mac11 upper

World's first CF Upper Mac11?? Been working on this idea off and on with Heywood and Durbanpoison. Finally have a working unit. 80 rds on it so far and all is good.

These uppers feature the original smaller .380 sized ejection port but is left open at the bottom so that it will fit either a large or small magazine well lower receiver. This upper can be configured in with the following barrel options: Standard .380 barrel. Stubby 4-1/2″ barrel with 1/2-28 threads in .380. Standard M11/9 barrel in 9mm. 1776 Supply Co.The modification definitely improved ergonomics. The rate of fire (ROF) is apparently comparable to a Glock18. Another clear advantage of this conversion is that the 33 round 9mm Glock magazines (~$30) are less than 1/2 the price of the OEM 32 round zytel (plastic) Cobray magazines. This is going by the $75 price on Cobray's website ... Our Mac11 Upper receivers are made from laser cut blanks precision bent on CNC press brakes to ensure precise shape and size. Coupled with our machined trunnions and 5.4" manganese phosphate coated barrels they form the perfect upper receiver of unmatched quality. Update: Some offers mentioned below are no longer available. View the current offers here. It's been a big year for commercial aviation in the UK, to say the... Update: Some offers...Description. This is an original OEM Top Cocking Upper Receiver complete with the reinforcement ribs, small ejection port and Cobray© Logo. The only modification from the original design is the inclusion of the hole for the …Guess I'll be checking that every morning. They are super helpful if you call them, they can tell you when the next batch is expected to go up. Phone number isn’t on their website, forget where I got it, (651) 983-5049.

If you don't know how to remove your bolt from your gun please refer to the M-11 Field Strip tutorial. MAKE SURE YOUR GUN IS UNLOADED BEFORE DOING THIS!!!!! Steps 1 through 3. Step 1. A. Bolt. B. Extractor. C. Firing Pin Retainer. D. Firing Pin. E. Ejector Rod.Mac 11 Charging Handle-These fluted charging handles are perfect for your Mac 11 build. Turned from high quality steel and Manganese Phosphate coated. ... Mac 11 Complete 11.5" AR Handguard Upper Receiver Assembly (Cerakote) $405.00. Out of Stock. (0) Add To Cart Add to Cart. Quick View.The DXF can be uploaded to Send cut send and has to be cut from .06in sheet steel. Mild steel is too soft, one of the stainless options is better. I'd love for someone else to take over this project, so I uploaded the CAD model and DXF to the sea under DB9 / mac11 super safety activator. It is untested, but the CAD model looked promising enough ...The MAX-11Sk upper receiver can be used with the M-11/9 submachine gun. NFA rules apply to the use of this upper with a semi-auto pistol upper receiver, due ...Masterpiece Arms Defender Muzzle Brake 9Mm 3 Inch. $43.69. This item is no longer available. Compare. Find Masterpiece Arms handguns and rifles, in stock now at the lowest prices! Every new Masterpiece Arms firearm includes our FREE Lifetime Warranty!

In this video, I shoot and test an awesome printable Mac-11 frame known as the MacDaddy. I also test a printed muzzle device for durability, which I will lik...UZI Talk Life Member. %99 of M11/9 and M11/380 uppers are capable of shooting both semi and select fire. Although, a few years ago some uppers were identified as having too much material on the bottom of the upper that blocked were the trip was lifting to meet the bolt. That material needed to be removed if those uppers were to be used on open ...New M-11 9mm side cocking upper includes a 3/4x10 threaded barrel with side EZ cocker, new low Integral machined rail for optics and additional adjustable front and rear sights. The side cocker makes it easier to pull back the bolt and accommodates lots of room on top of the scope rail for your optics of choice.A community dedicated to the discussion of 3D printed guns and related topics. Mac Daddy 2.0 with binary trigger = certified blaster. My range would not allow that 😩. There is a Fudd just offscreen having an aneurysm. This range is cool and if you have your gun under control they don't really care what you do haha.MAC N CHEESE V2 Build Kit. $80.00. Hardware Kit for the Mac N' Cheese V2 - sold with permission from Middleton Made. From Middleton's Website: "The Mac n Cheese v2 is an ambidextrous Mac-11 receiver that uses 9mm Glock magazines. It has a safety detent, optimized printable front sections, better rear receiver control, and improved compatibility ...

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About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Selling my complete Mac 11 Upper with side charging bolt chambered in 9mm. It’s never been shot, and is in great condition! Simply looking for a new home. **no sightsCurrent version: REV0.1.X This is a MAC-11/9 Upper Receiver reference model produced in the same manner that I put together my G19 Gen 3 Slide reference model. All measurements were taken from a physical and functional MAC-11/9 upper receiver assembly (regrettably of unknown origin) with a Grade A granite plate, height gauge, gauge pins, gauge blocks, sine bar, calipers, and so on. The ...Apr 14, 2023 ... ... upper receiver and stock allowing for an unprecedented level of modularity. Andrew and Duke take a closer look at this reboot of a classic ...The printed part is the reciever. The upper is the top half of a Mac-11. Google V Mac. The uppers are like $200-250 to complete as either that Mac variation or the Mac daddy. Reply reply. MattytheWireGuy. •. A lot of people have started appealing convictions due to AR recievers not having the bolt, barrel and FCG in the same PART and are ...Update: Some offers mentioned below are no longer available. View the current offers here. It's been a big year for commercial aviation in the UK, to say the... Update: Some offers...

We would like to show you a description here but the site won't allow us.Cobray Mac 11 complete upper, low round count, comes with some lower parts, closed bolt 9mm $265 shipped. Navigation Menu. New. Overview New posts New resources New media Latest activity. Forum. New posts Search discussions Forum Help. Classifieds.The CMMG Resolute 300 MK57 in the glorious 5.7x28mm cartridge is reliable, stacks rounds on top of each other, and gives you the familiar AR-15 controls. It's not a bargain but you likely won't need any upgrades besides adding a quality optic. It got my attention from day one, and overall I had a ball. The upper runs.MAX-11A1/380 mk2 Upper Receiver. . . MAX-11A1/380 mk2 Upper Receiver #517. $875.00. Backordered- Add to waiting list Side cocking upper receiver for the M-11A1 .380 ACP SMG. Works with large or small mag' well guns. Reduces rate of fire from 1,800 RPM to around 700 RPM. Features a full length accessory rail on the top and integrated foregrip ...While they are similar, the upper torso and the chest are not the same thing. The upper torso is considered to be anything above the waist and below the neck, including the shoulde...10000+ "mac 11" printable 3D Models. Every Day new 3D Models from all over the World. Click to find the best Results for mac 11 Models for your 3D Printer. ... Tags mac-11 upper and trunion model , , , , , , , , Download: for sale Website: Cults. add to list Tags KWA MAC 11 M11a1 SMG Rail ... MAC-11 Buffer. $3.95. Explore our selection of MAC-11 parts and accessories, offering everything you need for maintaining and enhancing your compact submachine gun. Enhance your MAC-11 with high-quality components for improved performance and reliability. Mac 11 bolts . Does anyone know where I can find a complete mac11 bolt I need it for testing with the box tube mac11 upper. Share Sort by: Best. Open comment sort options. Best. Top. New. Controversial. Old. Q&A. Add a CommentMAC11 Upper - Complete. $359.84. Quick view. Velocity VMAC45 Upper. $359.99. Quick view. MAC N CHEESE V2 Build Kit. $80.00. Quick view. The Scarab Kit - TP9 Inspired. …Details. Original Cobray Mac-11/9 receiver assembly, 5.25" barrel, semi-auto, complete, 9mm, in *Good* condition. Sold Individually. (You will receive the parts pictured.) These are great replacement parts for your M-11! Includes receiver, bolt assembly, barrel, and front sights. May show some signs of wear, marring, scratches, surface rust, etc...The MAC-11 (Military Armament Corporation Model 11) is a subcompact variant of the MAC-10 machine pistol. The MAC-11 is a machine pistol manufactured by the Military Armament Corporation that chambers the .380 ACP round. The MAC-11 is categorized as a submachine gun in the Rainbow Six franchise. Two discernable variants of the MAC-11 in the Rainbow Six universe. One variant is the M11/9, a ...Kit includes: One Cerakoted Mac 11 Upper Receiver. Our Mac11 Upper receivers are made from laser cut blanks precision bent on CNC press brakes to ensure precise …

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Feb 22, 2024 ... This video shows you how to field strip and reassemble a Cobray Mac-11 for cleaning purposes ... Practical Solutions Mac 11 Side Cocking Upper for ...Barreled Upper Receivers Complete Replacement Parts Sets Barrels M16 Full Auto Replacement Parts Muzzle Attachments .308 Parts & Accessories ... COBRAY M11 9mm or 380 or M10 45 or 9mm STRAP & HANGER ASSEMBLY (Fits All 1" Barrel Lug) No Logo Code: ET-ACSH-NL Inventory: In Stock Regular Price: $44.99• LAGE MAX-31 DRUM UPPER • LAGE MAX-11 SLOWFIRE UPPER • CF-W SLOWFIRE BOLT • FTF Industries K-Grip • Practical Solutions Folding UZI stock for the M-11 : M-11 Catalog: I have listed below a number of different M-11 models. I have attempted to make the information as accurate as possible but this can be hard to do since there is so ...Available on backorder. Add to cart. SKU: specialparts30t-1 Category: Uppers and Conversion Kits. Description. Cannot Ship to CA or NY. This includes the following: Full Size Side Cocking Upper with Scope Mount and with 9mm 5″ Barrel (1/2-28 tpi threads) Full Size 9mm Complete Bolt Assy. Receiver Pin Set (1 inner and 1 outer pin)Full ATF approval for S.A.B.R.E. Alliance has just received full ATF approval for their SABRE upper! 5.56x45 on a MAC and accepts all AR mags including BETA-C types. Initial run is for M10's but M11's and M11A1's are in the works and should be close behind. Alliance is currently... Lage Manufacturing. PLEASE NOTE ORDERS ARE CURRENTLY SHIPPING IN 5-7 BUSINESS DAYS. WE APPRECIATE YOUR PATIENCE! We specialize in manufacturing accessories for the M-11A1, M-11/9, M-10/9 and M-10/45 sub-machineguns and the M-11/9 semi-auto pistol. Adding one of our upper receivers, grips and stocks transforms your "MAC" into an accurate gun ... Mac-11 aves upper : r/fosscad. Need help!! Mac-11 aves upper. As long as it's ½"x28 threads and has a bore of over 9mm, it'll fit. You can always try your luck with a wish or temu fuel filter solvent trap. Can also do a blast can/deflection device. I keep asking all the builders to make an 8.5 in barrel and no one listens I don’t think they ...THE ORIGINAL MAC-11.NET WEBSITE HAS BEEN UNAVAILABLE FOR QUITE SOME TIME but was an outstanding reference for MAC owners, ... SWD M11A1 with LAGE MAX-11A/9 upper, LAGE wraparound grip, ACE AKFX folding stock with LAGE adapter, Burris Fastfire III red dot sight, KNS pushbutton takedown pin, Magpul AFG2 foregrip, Carlson …Mac11 (9mm) VMAC9 Side Cocking Upper w/tactical rail, 6 inch threaded barrel, side cocking handle, assembled bolt, and trunnion/barrel pin. Compatible with 3D printed builds. - Download The Latest Version. Visit Odysee. Visit DefCad. Version 1. Version 1.5. Version 2. The first version of the Mac n Cheese brought an AR15 fire control group to a printable M-11 lower receiver that uses a Glock magazine. With this being my frist firearm design, the next version was fast to come.

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75.1 %. free Downloads. 10000+ "m11 kit" printable 3D Models. Every Day new 3D Models from all over the World. Click to find the best Results for m11 kit Models for your 3D Printer.Thanks to the Internet, it’s easier than ever to watch your favorite shows. Fortunately, all you need is an Internet connection, and you can watch on your computer, handheld device...11.5' 5.56 / .233 BARRELED UPPER - MAS NERO 11' M-LOK HANDGUARD FLAT DARK EARTH FDE. A4 Upper Receiver. 4150 CMV Nitride or 416R Stainless Steel Barrel. M4 Ramps. MAS Defense Nero 11' M-LOK Handguard. .750 Low Profile Steel Melonite Gas Block. Carbine Gas System.This unit consisted of an entire barreled upper receiver that you just swapped with the existing upper receiver. Talk about a fast firing gun, these conversions literally poured brass from the ejection port. ... In fact it is the same size as the Mac-11 in .380. The gun is semi-auto with no provision for a shoulder stock and has a 5 inch barrel ...Available on backorder. Add to cart. SKU: specialparts30t-1 Category: Uppers and Conversion Kits. Description. Cannot Ship to CA or NY. This includes the following: Full Size Side Cocking Upper with Scope Mount and with 9mm 5″ Barrel (1/2-28 tpi threads) Full Size 9mm Complete Bolt Assy. Receiver Pin Set (1 inner and 1 outer pin)Mac-11 aves upper : r/fosscad. Need help!! Mac-11 aves upper. As long as it's ½"x28 threads and has a bore of over 9mm, it'll fit. You can always try your luck with a wish or temu fuel filter solvent trap. Can also do a blast can/deflection device. I keep asking all the builders to make an 8.5 in barrel and no one listens I don't think they ...FOR SALE IS A NEW IN BOX, NEWLY MACHINED, NEW PRODUCTION & OPTIMIZED: 1) Mac 11 Complete 5.4" Barrell Upper Receiver Assembly (Cerakote) 1) Our Aves Engineering Mac11 Upper receivers are made from laser cut blanks precision bent on CNC press brakes to ensure precise shape and size.New M-11 9mm side cocking upper includes a 3/4x10 threaded barrel with side EZ cocker, new low Integral machined rail for optics and additional adjustable front and rear sights. The side cocker makes it easier to pull back the bolt and accommodates lots of room on top of the scope rail for your optics of choice.As is true of nearly every successful 20 th century machine gun with the exception of the HK MP5, the MAC-11 fired from an open bolt. Specifications include a barrel length of 5.08 inches, overall ...The MAC-10 is a well known SMG that's been prominent in media for decades, and it's reputation of being a fast and difficult to use firearm has preceded it s... ….

Aug 20, 2021 ... Mac-11 Machine Gun Vs Bowling Ball #shorts. 266K views · 2 years ago ...more. 704 TACTICAL. 1.89M. Subscribe.MAC N CHEESE V2 Build Kit. $80.00. Hardware Kit for the Mac N' Cheese V2 - sold with permission from Middleton Made. From Middleton's Website: "The Mac n Cheese v2 is an ambidextrous Mac-11 receiver that uses 9mm Glock magazines. It has a safety detent, optimized printable front sections, better rear receiver control, and improved compatibility ...Tag: mac11×. June 6th, 2018. [PROPS] Mac 11. by pierre richard. 375190. SOLIDWORKS 2015, STL, Rendering, 24 per page. The GrabCAD Library offers millions of free CAD designs, CAD files, and 3D models. Join the GrabCAD Community today to …Montgo-9 9mm Details The Montgo-9 9mm is a complete upper receiver designed for use with AR-15 and AR-9 lower receivers. ... MacDaddy 2.0 MacDaddy 2.0 Details The MacDaddy 2.0 is a 3D printable frame for a standard mac-11 upper. Coming in at around. Details » Need Gun Parts? ⚡ TRENDING FILES. Schlank Flügelmann (SF5) Harlot 22LR Glock 19 ...Mac 11 Complete 5.4" Barrell Upper Receiver Assembly (Cerakote) 1) Our Aves Engineering Mac11 Upper receivers are made from laser cut blanks precision bent on CNC press brakes to ensure precise shape and size. Coupled with our machined trunnions and 5.4" manganese phosphate coated barrels they form the perfect upper receiver of unmatched quality.Calico Mac M-11 .22LR Conversion Kits Where designed to allow the Mac Enthusiast to have the ability to have a Higher Capacity Magazine at his disposal. This Kit Designed for Open Bolt Full Auto and Open Bolt Semi Auto’s NO SLOW FIRE SEMI AUTO’s all you need to do is just pull off your original Upper & Drop ours on Cock it and Let it rock.The plate is .030" or .76mm and it's already holding the bolt open a hair, this is definitely the thickest you could fit in the upper. In fusion I extruded a rectangle through the middle of the db alloy and the Mac upper and then used the upper and lower as cutting tools to cut away that rectangle so I could see what gaps/empty space I was left to work with and it's very little This is a FACTORY NEW Semi-Auto VMAC9 Side Cocking Upper Kit manufactured by Velocity Fire Arms. This kit includes everything that is pictured, (Upper, Bolt Assembly, and Side Cocking Handle. Introducing the Grey Ghost Upper Receiver for the M11/9 Full Auto SMG. This design, by Mike McManus, is the perfect host for the slow fire CF-W Bolt or stoc... Mac11 upper, How do the UK's two newest premium seats stack up? Just a few weeks apart, both major UK-based airlines have gone from having dated, subpar premium-cabin offerings to launching two..., The Box Tube MAC-11 The Ultimate DIY Machine Pistol Practical Scrap Metal Small Arms Vol.II By Professor Parabellum. Introduction ... The upper receiver is constructed from a length of 25mm square steel box section with a wall thickness of 2mm onto which the ejection port, cocking handle slot and lower opening sections are cut out. ..., Mac 11 Upper Kits. Mac 11 Upper Receivers. Featured Products. Mac 11 Bolt Assembly. $160.00. Back Order. (0) Add To Cart. Mac 11 Complete 5.4" Upper Receiver Assembly …, Download The Latest Version. Visit Odysee. Visit DefCad. Version 1. Version 1.5. Version 2. The first version of the Mac n Cheese brought an AR15 fire control group to a printable M-11 lower receiver that uses a Glock magazine. With this being my frist firearm design, the next version was fast to come. , The MAX-11/15 upper receivers are made of 7075 aluminum and feature a PTFE Impregnated Type III black anodized finish. The top Picatinny rail is 12-3/4″ long and has the same height over the bore/stock axis as the AR-15 flat-top upper receiver rail which makes it perfect for attaching AR-15 height scopes and iron sights., I've had a decent experience with all three overall but a few big disappointments really stand out.Looking for Deals?: https://middletonmade.com/deals/Join t..., This is our M10 side cocking upper receiver. It will come with either 1/4″ (shown) or 1/2″ 1913 Picatinney rail. There will be a $25.00 charge for the 1/4 rail due to additional machine time. It is entirely made of steel and has an adjustable front sight. The cocking handle is nonreciprocating and spring loaded., Looking for a Mac 11 upper. Can be complete or not. Let me know! Read More . Like Reply. MSG. Portland. Messages 28 Reactions 14. Jan 24, 2024 #2 PM incoming . Like Reply. O. Owenator. Vancouver, WA. Messages 72 Reactions 49. Jan 24, 2024 #3 If you can't find one here, check out Lage Manufacturing . Like Reply. JTK1791 ..., In the world of design, typography plays a crucial role in conveying messages effectively. Whether it’s for print materials, websites, or branding, choosing the right fonts and und..., Step 36. Use the flat end of a spudger to pry the left speaker off the adhesive securing it to the upper case. Only pry up on the speaker from the areas of bare aluminum on the upper case. Prying up from the keyboard area may damage the keyboard and the speaker itself. Remove the left speaker from the upper case., Current version: REV0.1.X This is a MAC-11/9 Upper Receiver reference model produced in the same manner that I put together my G19 Gen 3 Slide reference model. All measurements were taken from a physical and functional MAC-11/9 upper receiver assembly (regrettably of unknown origin) with a Grade A granite plate, height …, MAC-11 .380 Auto : 5/8" N.C. The M11/9 selective fire weapon uses the M11 open bolt trigger group parts set. A selective fire lower built for the M12/380 IS a Model 11! There is no M12/380 SMG. To build a select-fire M11/9 or change the 12/380 to a selectM -fire weapon, order the M11 SMG or open bolt parts sets. The same parts sets fits both guns., I've always heard go with the 10/45 since you can shoot 45 with it and get a 9mm conversion… but the form factor on the 11/9 seems superior… and the Lage uppers also seem to be a game changer. I got to shoot the entire Mac lineup at a machine gun shoot my local range put on. Some guy had an M11A1, M11-nine, M10/9 and an M10/45., Calico Mac M-11 .22LR Conversion Kits Where designed to allow the Mac Enthusiast to have the ability to have a Higher Capacity Magazine at his disposal. This Kit Designed for Open Bolt Full Auto and Open Bolt Semi Auto’s NO SLOW FIRE SEMI AUTO’s all you need to do is just pull off your original Upper & Drop ours on Cock it and Let it rock., Thabks to this picture i now know these uppers are made of sheet metal. Now I Gotta laser cut and bend my own stainless steel upper. Mines on the MacDaddy 2.0. Db9. DB9 Slim. Db9/sumac there's also a ump beta atm. I still have 2 seasoning kits available for the mac n cheese if you go that route., Cut the mac 10 to make it printable. EDIT: Added separate files for each part., "This is a short video talking about the custom Lage Max 11 Upper Receiver for the KWA/KSC Mac 11. This was custom made by Renegadecow for me from scratch. He used PVC (from PVC pipes, flattened and cut to shape) to create it, and fabricated a new outer barrel and inner barrel to extend the range of the gun. Currently the gun chronoes at …, This kit includes everything that is pictured, (Upper, Bolt Assembly, and Side Cocking Handle. All parts have a manganese phosphate finished …, MAX-11 mk2 Upper Receiver #500. $875.00. Slow fire upper receiver for the M-11/9 SMG. 670, 690, 770 and 950 RPM rates of fire available. Features a full length accessory rail on the top and integrated foregrip with accessory rail on bottom. Mounting points on sides for additional accessory rails. Side cocking, reciprocating charging handle on ..., Mac-11 aves upper : r/fosscad. Need help!! Mac-11 aves upper. As long as it's ½"x28 threads and has a bore of over 9mm, it'll fit. You can always try your luck with a wish or temu fuel filter solvent trap. Can also do a blast can/deflection device. I keep asking all the builders to make an 8.5 in barrel and no one listens I don’t think they ..., I'm not really sure what you're asking here. aves is retailing JC-Arms new design, and it's for sure the newest, and looks super clean. no matter how you slice it, a mac is basically …, Barrel - M11/9 4 1/2″ long 1/2 x 28 Threaded Barrel. $ 99.99 - $ 119.99 Select options., Full Auto Friday! MAC11 with LAGE MAX31 upper and Suomi drums. Suck my balls ATF. Just repeal me already. If I were a politician I'd repeal you. Nothing like complying with the law and doing everthing an alphabet agency wants to really stick it to them. Absolutely wonderful. ATF weeps quietly in the corner., Aves is proud to offer our improved Mac 11 compatible bolt assembly. The body of these bolts are machined from high quality steel then case hardened to 55 RC making them extremely durable. ... Bolts come fully assembled ready to drop into an upper or similar design. Related Items. Quick View. Ubertechnik AR Grip. $29.50. In Stock. (0) Select ..., Bounty ID: #009 Status: Open Instigator: AP Current Purse (BTC): 0.00226086 Contributors: 1 Contribute To This Bounty Claim This Bounty Win Conditions Design, develop, test, and release to The Gatalog's testing and documentation and release standards: A 3D printable Middleton Made M11 variant Using the Masterpiece Arms 5.7 Mac Upper Using Ruger 5.7 Magazines Notice:, MAC11 Upper - Complete. $359.84. Complete Upper for the 9mm MAC11. **Now with SHIPPING INCLUDED**. IMPORTANT: Kit does not ship to …, A community dedicated to the discussion of 3D printed guns and related topics. Mac Daddy 2.0 with binary trigger = certified blaster. My range would not allow that 😩. There is a Fudd just offscreen having an aneurysm. This range is cool and if you have your gun under control they don't really care what you do haha., The AWCY Poison SuMac is a 3D printed lower for the Mac-11 platform that uses 71 round drum magazines from the Finnish Suomi submachinegun. Inspired by the Lage manufacturing Mac-11 uppers, the SuMac aims to bring standard capacity magazines to the people. Features include a modular design with numerous stock, brace, and QD …, Velocity VMAC45 Upper. $359.99 ... 16" Chambered Barrel Liner. $47.99 Quick view MAC11 Upper - Complete. $359.84 Quick view Ruger 10/22 Parts Kit ..., Mac 11 Upper Kits. Mac 11 Upper Receivers . Featured Products. Quick View. Mac 11 Bolt Assembly. $160.00. Back Order. (0) Add To Cart Add to Cart. Quick View. Mac 11 Complete 5.4" Upper Receiver Assembly (Cerakote) $290.00. In Stock. (1) Select Options Add to Cart. Grid View. List View. Products [15], Lage Industries offers a precision cut replacement buffer manufactured from 1/4-inch thick neoprene designed to fit both the M-10/45 and M-10/9. The Mk2 upper has a Picatinny style rail for mounting optics. Mounted is the MD-06 red dot from Primary Arms. A well-built rugged sight for an economic price., One Cerakoted Mac 11 Upper Receiver. Our Mac11 Upper receivers are made from laser cut blanks precision bent on CNC press brakes to ensure precise shape and size. Coupled with our machined trunnions and 5.4" manganese phosphate coated barrels they form the perfect upper receiver of unmatched quality., 75.1 %. free Downloads. 10000+ "m11 kit" printable 3D Models. Every Day new 3D Models from all over the World. Click to find the best Results for m11 kit Models for your 3D Printer.