Matador Arms MAT9k 9mm Complete Upper - Black

<p>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.</p><p>This NEXT Generation blowback 9mm AR upper receiver is bufferless and monolithic (self-contained)&nbsp;for lower receivers and almost all 9mm magazines.</p><p>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 maintenance and cleaning.&nbsp;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. This is the shorter version with a five-inch barrel.</p><p><br></p><p>The MAT-9™&nbsp;9mm AR upper is compatible with AR-9 Lower receivers in any double-stack magazine configuration:</p><p><br></p><p>Glock </p><p>Sig Sauer </p><p>Colt Stick Magazines</p><p>HK MP5</p><p>CZ Evo Scorpion</p><p>With an AR-15 Lower Receiver, it requires our Mag-X magazine conversion kit or equivalent type product such as Endomags.</p><p><br></p><p>Some Additional Key Features:</p><p><br></p><p>Non-reciprocating steel charging handle (ambidextrous)</p><p>4140 Nitrided steel bolt and action parts</p><p>6061-T6 anodized upper receiver</p><p>4150 Lightweight Nitrided Barrel, 5” long, 1:10 twist, 1/2×28 threads</p><p>NATO 1913 Spec top rail</p><p>1 Mlok slot (both sides, bottom)</p><p>Compatible with LRBHO (Last Round Bolt Hold Open) lower receiver</p><p>Ready to run with a Suppressor right out of the box</p>

This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.