Matador arms mat9

Matador Arms MAT9. New Frontier Armory C5 Lower. Strike 1913 adapter. Sig Gen1 MCX "Kate Moss" stock. KM3 Kate Moss riser. KM3 SD Style Handguard for MAT9 (now live) Atibal Optics STD sight. Matador NBT-L grip. NIghtstick WML.

Matador arms mat9. Matador Arms would like to proudly introduce the MAT-9™ , the NEXT Generation blowback 9mm AR upper receiver that is bufferless and monolithic (self-contained) for lower receivers and almost all 9mm magazines. Description This upper receiver is side-folding compatible and features Matador Arms® patent-pending EZTS™ “Easy Take-down …

1 day ago · Your Price: $574.99. Part Number: AU-14369. Availability: In Stock. Quantity. +. Add to Cart. Description. Matador Arms MAT-9 Upper Receiver Assembly - Gen2, Black. The MAT9 Gen2 Black features a CNC-machined aluminum receiver set that is both durable and lightweight.

Matador customer service is how companies should all treat their customers. Had an issue with the charging handle block and sent an email. Dave the President of Sales @matadordave emailed me back and got me a new one in the mail, no questions asked. The upper is also built with a tapered multi-material 4-piece trunnion system to maintain mechanical accuracy and durability. The MAT-9™ 9mm AR upper can be configured in two distinct ways: Native Mode: Adaptable to the AR-9 Lower Receivers that are compatible with the following double-stack 9mm magazines: Glock ®. Sig Sauer ®. Functions great, looks great. - Matador Arms Mat9 7.825 in 9mm Upper Receiver. by Gregg Burke , Verified Owner from NV, United States Written on December 10, 2023. Review for Matador Arms Mat9 7.825 in 9mm Upper Receiver. Matador Arms Mat9 7.825 in 9mm Upper Receiver. As Low As $575.00 Save Up to $24.00. View Product.Finally took out my Mat9-K ... Post your Matador Arms builds and questions! Members Online. Designed my own tail cap for the Montgo 9 upvotes r/MatadorArms. r/MatadorArms. Post your Matador Arms builds and questions! …Matador Arms brought to SHOT Show 2023 their new MAT-9 blowback 9mm upper receiver assembly which is the improved version of the earlier released Montgo-9. Compared to the Montgo-9, MAT-9 has a longer barrel (7.825” vs 5.5″) and forearm yet at an overall weight of 3 lbs, it’s lighter than the Montgo-9 by about 3 oz. Matador Arms @ TFB:Introducing the complete MAT-9K: Our compact MAT-9 just got smaller with the release of our MAT-9K variants. A five inch barrel reduces its profile for even tighter spaces. This pistol redefines firearm performance with ambidextrous upper and lower receivers, a 1913 rail for customization, and compatibility with Glock magazines. The Last Round Bolt Hold Open (LRBHO) mechanism enhances ...Buy Together and Save. $759.98 Save 15% $644.99. Add Both to Cart. Receive $11.00 OP Bucks. Matador Arms Upper Receiver Montgo, 9mm, 12.125in, 5.5in, 1/2x28in Thread, Black, MAC176. TRYBE Defense V2 Single Stage Drop-In Trigger, AR-15, Straight, 3.5-4lb Pull Weight, Black, TRGSTRAR15V2-BLK.

This is the second part in a two part series that details the results of the testing and the takedown, cleaning, and re-assembly.Matador Arms LLC MAT-9 9mm AR Upper. The MAT-9™ 9mm AR upper receiver is machined for maximum weight reduction, slim profile, and compatibility with bolt catches and lower receivers. Price: $599.00. brownells.com. MAT9 UPPER RECEIVER 9MM | Brownells. The Mat-9 Upper is a self-contained complete 9mm receiver. …The MAT-9™ 9mm AR upper is compatible with AR-9 Lower receivers in any double-stack magazine configuration: Glock ®. Sig Sauer ®. Colt® Stick Magazines. HK® MP5™. CZ ® Evo Scorpion™. With an AR-15 Lower Receiver it requires our Mag-X™ magazine conversion kit or equivalent type product such as Endomags. Some Additional Key …You can get shingles on your arm. According to WebMD, a shingles rash can show up anywhere on the body; however, the rash will only appear on one side of the body (the left or the ...This upper receiver is side-folding compatible and features Matador Arms® patent-pending EZTS™ “Easy Take-down System” with no tools required to break down the upper for …

The upper is also built with a tapered multi-material 4-piece trunnion system to maintain mechanical accuracy and durability. The MAT-9™ 9mm AR upper can be configured in two distinct ways: Native Mode: Adaptable to the AR-9 Lower Receivers that are compatible with the following double-stack 9mm magazines: Glock ®. Sig Sauer ®. The Montgo-9 upper receiver is made of aluminum, and the bolt and trunnion are 4140 steel for durability. Weight is 3.5lbs with an OAL of 12.125” and a 1.47” width. The Montgo-9 adds to Matador’s 9mm product offering. Matador recently announced their AR-9 80% billet lower receivers, the first run of which is shipping mid-September.\.Matador Arms Grips: Matador Arms: WLSISLIFE: Walker Defense Research NILE grip panel: Walker Defense: NA: KNS Precision Picitinny buffer plug: Brownells: WLS10 for 10% off orders of $150+ Axil GS Extreme ear pro: Axil: WLSISLIFE: Mean Arms Endomag: Brownells: WLS10 for 10% off orders of $150+ Law Tacitcal Folder: Brownells: WLS10 for 10% off ...The MATADOR ARMS MONTGO-9 upper receiver stands out with its hard-anodized billet aluminum construction, which ensures durability and strength without compromising weight. Weighing just 3.5lbs and with an OAL of 12.125 inches, it is remarkably compact, making it suitable for various applications, including personal …Thanks Man! Matador Arms Mat9 upper 575 at mmc armory Vortex strikefire 199 MKM Machining Pistol Grip 60 EPC lower set up 250 Supressor was like 999 i think.brn-9, matador arms and mean arms endo mag availableat brownells with my exclusive followers code use discount code "tc10" for 10% off orders over $150here h...

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Just received my MAT-9 Pre-order in the mail and I take my first impressions on functionality and build quality. NON-SHOOTING. Please check out other videos ...2 days ago · Description. Matador Arms MAT-9 Upper Receiver Assembly - Gen2, Black. SPECIFICATIONS: Brand: Matador Arms Model: Montgo-9 Upper Receiver Assembly - Gen2, Black Platform: AR-9 Material: 6061-T6 Style: Mil-Spec Caliber Compatibility: Standard Rifle Upper Section: Picatinny Rail Finish: Anodized Looking for a Coupon …brn-9, matador arms and mean arms endo mag availableat brownells with my exclusive followers code use discount code "tc10" for 10% off orders over $150here h...26 Jul 2023 ... AZ, specializing in Firearms and Outdoors content, for Matador Arms. This video showcases the new Matador Arms MAT-9 Bufferless 9mm upper ...Description. MAT9-UGRY. Product Info for Matador Arms Mat9 7.825 in 9mm Upper Receiver The Mat9 Upper is a self-contained complete 9mm receiver. Bufferless, compact and reliable. The blowback system runs suppressed or unsuppressed without spring changes. The charging handle is non-reciprocating and reversable for right or left-handed …Barrel Lengths: 8 inch or 5 inch. Material: 4140 Nitrided steel. Thread Pitch: 1/2X28. Coating: Black Nitride. Barrel Twist Rate: 1:10. Compatibility: Any 9mm ammo including +P. Note: These are not AR9 barrels these are specific to our platform. Note: Barrel nut socket wrench is required for disassembly.

Matador Arms Grips: Matador Arms: WLSISLIFE: Walker Defense Research NILE grip panel: Walker Defense: NA: KNS Precision Picitinny buffer plug: Brownells: WLS10 for 10% off orders of $150+ Axil GS Extreme ear pro: Axil: WLSISLIFE: Mean Arms Endomag: Brownells: WLS10 for 10% off orders of $150+ Law Tacitcal Folder: Brownells: WLS10 for 10% off ...The MAT-9™ 9mm AR upper is compatible with AR-9 Lower receivers in any double-stack magazine configuration: Glock ®. Sig Sauer ®. Colt® Stick Magazines. HK® MP5™. CZ ® Evo Scorpion™. With an AR-15 Lower Receiver it requires our Mag-X™ magazine conversion kit or equivalent type product such as Endomags. Some Additional Key Features:The Matador Arms 9mm PCC upper is a bufferless design that’s compatible with a wide variety of 9mm lowers, is completely made in the USA and retails for under $600. The MAT-9 bufferless upper combines the space savings of the bufferless design with an affordable price point to give you a flexible blue-collar pistol caliber carbine option ...SD Style Forend/Rail Cover for Matador Arms MAT-9. Fits the standard model MAT-9 with 8.375″ barrel (this product does not fit the K Models) Our exclusive design uses MLok and precision fit for easy installation. No Modifications Required to your MAT9. MP5 SD Style look. Made in-house from durable, annealed PA-6 CF. Adds 2″ length out the ...You can get shingles on your arm. According to WebMD, a shingles rash can show up anywhere on the body; however, the rash will only appear on one side of the body (the left or the ...Aug 25, 2021 · The field stripping of this upper assembly does not require a use of tools. The overall length of the Montgo-9 upper receiver is 12-1/8″ and it weighs in at 3.5 lbs. The MSRP of Matador Arms Montgo-9 upper receiver assembly is $549.99. The estimated start of shipping is in Q4, 2021. 21 hours ago · 2024-Aug-01. 2024-Dec-31. Matador Arms MAT-9 Blowback Upper Receiver Bufferless – Monolithic – Non-Reciprocating The MAT-9 upper receiver is side-folding compatible and features Matador Arms patent-pending EZTS “Easy Take-down System” with no tools required to break down the upper for maintenance and cleaning.The MAT-9K features an uber-short five-inch barrel, and the standard MAT-9 uses an eight-inch barrel. These are straight blowback-operated firearms and use Glock pattern magazines. The setup uses a buffer contained in the upper receiver, and the charging handle is pushed to the front of the gun, where it rides over the top of the barrel.Matador Arms MAT-9 5″ 9mm Upper Receiver. Add a review. $ 520.00. Out of stock. SKU: MAT9K-5-UR Category: Complete Upper Receivers. Description. Our compact MAT-9 just got smaller with the release of our MAT-9K variants. A five inch barrel reduces its profile for even tighter spaces.The field stripping of this upper assembly does not require a use of tools. The overall length of the Montgo-9 upper receiver is 12-1/8″ and it weighs in at 3.5 lbs. The MSRP of Matador Arms Montgo-9 upper receiver assembly is $549.99. The estimated start of shipping is in Q4, 2021.Matador Arms has a complete 9mm upper receiver that is ready to go straight out of the box, including shooting suppressed. (Photo credit: Matador Arms) The MAT-9 was designed for maximum weight …

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This is the first part in a two part series that details the unboxing and review of the Matador Arms MAT-9. Part one introduces the product and tests differe...Matador Arms, MAT9 Upper, 9mm, 7.825 Barrel, Black. UPC: 850045441005. ID: 4728116 ¤. Low quantity! $595.24. As low as $29.71/month. Learn More.Finally took out my Mat9-K ... Post your Matador Arms builds and questions! Members Online. Designed my own tail cap for the Montgo 9 upvotes r/MatadorArms. r/MatadorArms. Post your Matador Arms builds and questions! …22 Jan 2023 ... Matador Arms is excited to announce their new universal 9mm upper receiver: the MAT-9. Join Wes as he chats with Justin about the different ... Reviews & Ratings for Matador Arms Mat9 7.825 in 9mm Upper Receiver. — 6 reviews. Hands down the best option if you're looking to build a PCC. Easy operations and very accurate. The monolothic upper is a huge pluse and makes building a PCC very easy and straightforward. I would highly recommend this receiver to anyone in the market to build ... Finally took out my Mat9-K Locked post. New comments cannot be posted. Share Add a Comment. Be the first to comment Nobody's responded to this post yet. Add your thoughts and get the conversation going. ... Post your Matador Arms builds and questions! Members Online. Anyone’s MAT9k shipped yet?Lightweight Nitrided Barrel: The MAT9 Upper Receiver comes equipped with a 4150 Lightweight Nitrided Barrel measuring 7.825″ in length, featuring a 1:10 twist and 1/2×28 threads. This combination ensures exceptional accuracy, while the lightweight feature reduces overall weight for improved maneuverability. 8.

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Turns out the BRN-9 is a Matador Arms product, with some improvements from the Montgo-9. There is now a brass deflector, and there is no screw holding the action together. ... Quite a few pictures and videos of the combo (MAT9 version) being shot on social media, I have a few thousand through the combo. . ARV lower is on the way to …This upper receiver is side-folding compatible and features Matador Arms® patent-pending EZTS™ “Easy Take-down System” with no tools required to break down the upper for … 6061-T6 anodized upper receiver. 4150 Lightweight Nitrided Barrel, 7.825” long, 1:10 twist, 1/2×28 threads. NATO 1913 Spec top rail. 3 Mlok slots (both sides, bottom) Compatible with LRBHO (Last Round Bolt Hold Open) lower receiver. Ready to run with a Suppressor right out of the box! The MAT-9™ 9mm upper is machined for maximum weight ... 9 Dec 2022 ... Matador Arms MAT-9 results, takedown, cleaning, and re-assembly (part 2) ... AimSurplus Product Spotlight: Matador Arms MAT9. AimSurplus•1.9K ...January 21, 2023. 15. Matador Arms makes my favorite AR to PCC adapter. It’s a mag block that fits into a mil-spec magwell and allows me to use CZ 75 magazines in my AR. That’s what I knew Matador Arms for, but that was before the MAT-9. The MAT-9 is a AR-9 upper designed to fit any AR 9mm lower and work with any lower parts kit.Jan 27, 2024 · Matador Arms recently announced an update to their pistol caliber carbine lineup, featuring significant enhancements and a focus on Glock magazine compatibility. At SHOT Show 2024, they launched the MAT-9GLR, a Glock Lower Receiver designed to integrate with their earlier designs as well as the shorter MAT-9K upper receiver. The Mat-9 Upper is a self-contained complete 9mm receiver. Bufferless, compact and reliable. The blowback system runs suppressed or unsuppressed without spring changes. The charging handle is non-reciprocating and reversable for right or left-handed shooters. Field Test of the Matador Arms Regulator in 9mm on a Freedom Ordnance FX-9 including slow motion.Follow us on Instagram: https://www.instagram.com/gbguns/ , ... EZTS (easy take-down system) parts replacement kit. $ 35.00 Add to cart. Showing 1–16 of 26 results. 1. 2. →. Products Archive - Matador Arms LLC. Matador Arms MAT-9 9MM Blowback Upper Receiver This upper receiver is side-folding compatible and features Matador Arms® patent-pending EZTS™ “Easy Take-down …Lightweight Nitrided Barrel: The MAT9 Upper Receiver comes equipped with a 4150 Lightweight Nitrided Barrel measuring 7.825″ in length, featuring a 1:10 twist and …Matador Arms Mag-X Glock. Mag-X The Ultimate adapter for people looking to convert their AR-15 to an AR9. $ 140.00. 20 in stock. Matador Arms Mag-X Glock quantity. Add to cart. Description Additional information Description. Available … ….

This is the second part in a two part series that details the results of the testing and the takedown, cleaning, and re-assembly.Matador Arms Mag-X Glock $ 140.00 Add to cart; Matador Arms Mag-X for P-320 $ 140.00 Add to cart; The Regulator Sale! $ 155.00 Original price was: $155.00. $ 130.00 Current price is: $130.00. Select options; The Sidewinder Sale! $ 155.00 Original price was: $155.00. $ 120.00 Current price is: $120.00. Read more; SKS Full Length Optics Rail $ …The Montgo-9 adds to Matador’s 9mm product offering. Matador recently announced their AR-9 80% billet lower receivers, the first run of which is shipping mid-September. Matador already manufactures the Mag-X, a mag block adapter enabling the use of P320, Glock, M&P, and CZ-75 pistol mags in their AR-15 lowers.Mat9 r/AR9 • Mat9. upvotes ... Post your Matador Arms builds and questions! Members Online. Adding roller delay inexpensively upvote ...21 Oct 2022 ... Matador Arms MAT-9 Bufferless 9mm Upper Receiver Features. Matador ... Matador Arms MAT-9 9mm AR Upper. GNGOutdoors•9.1K views · 4:48 · Go to ...MAT-9 9mm AR Upper. The MAT-9™ 9mm AR upper receiver is machined for maximum weight reduction, slim profile, and compatibility with bolt catches and lower receivers. Price: $599.00. brownells.com.Oakley sunglasses are known for their exceptional quality and durability. However, accidents happen, and sometimes you may find yourself in need of a replacement arm for your belov...Jan 25, 2024 · The MAT-9K features an uber-short five-inch barrel, and the standard MAT-9 uses an eight-inch barrel. These are straight blowback-operated firearms and use Glock pattern magazines. The setup uses a buffer contained in the upper receiver, and the charging handle is pushed to the front of the gun, where it rides over the top of the barrel. Matador arms mat9, Your Price: $574.99. Part Number: AU-14369. Availability: In Stock. Quantity. +. Add to Cart. Description. Matador Arms MAT-9 Upper Receiver Assembly - Gen2, Black. The MAT9 Gen2 Black features a CNC-machined aluminum receiver set that is both durable and lightweight. , shop at brownells with my exclusive followers code use discount code "tc10" for 10% off orders over $150https://bit.ly/3t9xi9gshop optics planet herehttps://..., Jan 28, 2023 · Matador Arms brought to SHOT Show 2023 their new MAT-9 blowback 9mm upper receiver assembly which is the improved version of the earlier released Montgo-9. Compared to the Montgo-9, MAT-9 has a longer barrel (7.825” vs 5.5″) and forearm yet at an overall weight of 3 lbs, it’s lighter than the Montgo-9 by about 3 oz. Matador Arms would ... , 11 Feb 2024 ... Matador Arms is brand new to manufacturing full firearms. The Mat-9 is actually there very first offering. They used to produce the Montego-9 ..., Matador Arms makes my favorite AR to PCC adapter. It’s a mag block that fits into a mil-spec magwell and allows me to use CZ 75 magazines in my AR. That’s what I knew Matador Arms for, but that was before the MAT-9. The MAT-9 is a AR-9 upper designed to fit any AR 9mm lower. With the MAT-9, a bugger tube is no longer needed, and the entire ..., Jan 28, 2023 · Matador Arms brought to SHOT Show 2023 their new MAT-9 blowback 9mm upper receiver assembly which is the improved version of the earlier released Montgo-9. Compared to the Montgo-9, MAT-9 has a longer barrel (7.825” vs 5.5″) and forearm yet at an overall weight of 3 lbs, it’s lighter than the Montgo-9 by about 3 oz. Matador Arms would ... , SD Style Forend/Rail Cover for Matador Arms MAT-9. Fits the standard model MAT-9 with 8.375″ barrel (this product does not fit the K Models) Our exclusive design uses MLok and precision fit for easy installation. No Modifications Required to your MAT9. MP5 SD Style look. Made in-house from durable, annealed PA-6 CF. Adds 2″ length out the ..., The upper so far seems to be really well made, the issue i have is that the LRBHO wont work unless i get a small part of it machined out, as its too long under ..., Matador Arms would like to proudly introduce the MAT-9™ , the NEXT Generation blowback 9mm AR upper receiver that is bufferless and monolithic (self-contained) for lower receivers and almost all 9mm magazines. Description This upper receiver is side-folding compatible and features Matador Arms® patent-pending EZTS™ “Easy Take-down System” with no tools required to break down the upper ... , We took the MAT-9 Universal 9mm Upper Receiver to the Gun Range in Phoenix and went to town. NO Cars or Drones were damaged during the filming.For full prod..., 4.64K subscribers. Subscribed. 8.8K views 8 months ago #pcc #mat9 #pistolcalibercarbine. #matadorarms #mat9 #pcc #pistolcalibercarbine PCC's suffer from some really …, I haven't had this issue with my Mat-9 though. After cycling 50 rounds, I get a bunch of shaved brass on the ejector and around the feed ramp. I've tried to reach out to Matador on Instagram but they aren't very responsive. Crazy how narrow other manufacturers feed cones are compared to this., Ready to upgrade your AR? Check out the Matador Arms Mat-9 Blowback Upper Receiver!We took the Matador Arms Mat-9 for a test run and were blown away by its p..., Finally finished up my Mat-9 paired with NFA C-5 lower but I'm having huge issues with it. I constantly get failure to feed or failure to eject every one to three rounds. I've tried reaching out to Matador Arms multiple times but no reply. I ended up emailing NFA but they said to refer to Matador Arms about the issue., 25 Jan 2024 ... The MAT-9 and MAT-9K – A New Type of Subgun · These are straight blowback-operated firearms and use Glock pattern magazines. · When we get to ..., Your Price: $574.99. Part Number: AU-14369. Availability: In Stock. Quantity. +. Add to Cart. Description. Matador Arms MAT-9 Upper Receiver Assembly - Gen2, Black. The MAT9 Gen2 Black features a CNC-machined aluminum receiver set that is both durable and lightweight., Matador Arms | MAT-9: The Universal 9mm Upper | SHOTShow 2023. Matador Arms is excited to announce their new universal 9mm upper receiver: the MAT-9. Join Wes as he chats …, The Mat9 doesn't have LRBHO built into the upper receiver, you need to pair it with a functional LRBHO system in the lower. There's a few out there, Matador Arms claims it's fully functional with most 9mm lower receivers. I can think of a few from Spikes Tactical, Angstadt Arms, probably New Frontier Armory, and 80% builds if you want to go ..., 22 Jan 2023 ... Matador Arms is excited to announce their new universal 9mm upper receiver: the MAT-9. Join Wes as he chats with Justin about the different ..., Description. MAT9-UGRY. Product Info for Matador Arms Mat9 7.825 in 9mm Upper Receiver The Mat9 Upper is a self-contained complete 9mm receiver. Bufferless, compact and reliable. The blowback system runs suppressed or unsuppressed without spring changes. The charging handle is non-reciprocating and reversable for right or left-handed …, Thanks Man! Matador Arms Mat9 upper 575 at mmc armory Vortex strikefire 199 MKM Machining Pistol Grip 60 EPC lower set up 250 Supressor was like 999 i think., Matador Arms has a complete 9mm upper receiver that is ready to go straight out of the box, including shooting suppressed. (Photo credit: Matador Arms) The MAT-9 was designed for maximum weight reduction, a slim profile, and compatibility with bolt catches and lower receivers, according to Matador Arms. It is comprised of anodized 6061-T6 ..., Jan 28, 2023 · 351. Matador Arms brought to SHOT Show 2023 their new MAT-9 blowback 9mm upper receiver assembly which is the improved version of the earlier released Montgo-9. Compared to the Montgo-9, MAT-9 has a longer barrel (7.825” vs 5.5″) and forearm yet at an overall weight of 3 lbs, it’s lighter than the Montgo-9 by about 3 oz., 9mm Luger. Attachment Type: M-LOK. Barrel Contour: Lightweight. Finish: Anodized. Show All Specifications. Restriction. Restricted Part: Yes. Description. The Mat-9 Upper is a self-contained complete 9mm receiver. Bufferless, compact and reliable. The blowback system runs suppressed or unsuppressed without spring changes., This upper receiver is side-folding compatible and features Matador Arms® patent-pending EZTS™ “Easy Take-down System” with no tools required to break down …, The Mat9 doesn't have LRBHO built into the upper receiver, you need to pair it with a functional LRBHO system in the lower. There's a few out there, Matador Arms claims it's fully functional with most 9mm lower receivers. I can think of a few from Spikes Tactical, Angstadt Arms, probably New Frontier Armory, and 80% builds if you want to go ..., 4.64K subscribers. Subscribed. 8.8K views 8 months ago #pcc #mat9 #pistolcalibercarbine. #matadorarms #mat9 #pcc #pistolcalibercarbine PCC's suffer from some really …, Barrel Lengths: 8 inch or 5 inch. Material: 4140 Nitrided steel. Thread Pitch: 1/2X28. Coating: Black Nitride. Barrel Twist Rate: 1:10. Compatibility: Any 9mm ammo including +P. Note: These are not AR9 barrels these are specific to our platform. Note: Barrel nut socket wrench is required for disassembly. , Call: 707-416-8847 Email: [email protected]. Address: 10564 Sentinel Drive San Antonio, Texas 78217. Please select your product, January 21, 2023. 15. Matador Arms makes my favorite AR to PCC adapter. It’s a mag block that fits into a mil-spec magwell and allows me to use CZ 75 magazines in my AR. That’s what I knew Matador Arms for, but that was before the MAT-9. The MAT-9 is a AR-9 upper designed to fit any AR 9mm lower and work with any lower parts kit., Matador arms Mat-9 . What are people's thoughts on the Mat-9? I am thinking of getting their upper for black Friday. Does anyone have any experience with their mat-9 upper? Anyone shoot it suppressed? I am worried since they are such a young company, but the price for black Friday is great ($450)., The length of the average human arm is 25 inches. However, the length varies because 25 inches is the average for a young man with average height and health. Average human arm leng..., The 9mm upper is machined for maximum weight reduction, slim profile, and compatibility with bolt catches and lower receivers. The upper is also built with a tapered multi-material 4-piece trunnion system to maintain mechanical accuracy and durability. SPECIFICATIONS: Brand: Matador Arms. Model: Montgo-9 Upper Receiver Assembly - Gen2, FDE.