Matador Arms MAT-9 Roller Delayed Bufferless Upper Receiver Assembly 9mm Luger 7.8" Barrel Black

Matador Arms Mat9 Upper Receiver 9mm 7.825 in 1-10 Twist 1/2x28 Threads 4150 Lightweight Nitrided Black 850045441029. 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. It is compatible with AR9s and AR15s with Mag Adapters. Compatible with Glock Sig Colt Scorpion and Mp5 magazines. Specifications for Matador Arms Mat9 7.825 in 9mm Upper Receiver: Manufacturer: Matador Arms Caliber: 9mm Luger Overall Length: 15 in Barrel Length: 8.5 in Barrel Profile: Straight Barrel Twist Rate: 1-10 Threads per Inch: 1/2x28 Muzzle Device: Thread Protector Finish: Anodized Fabric/Material: 4140 Nitrided Steel Handguard Length: 7 in Gun Type: Pistol Weight: 3 lb Condition: New Barrel Material: 4150 Chrome Moly Vanadium Magazine Included: No Features of Matador Arms Mat9 7.825 in 9mm Upper Receiver Non-reciprocating steel charging handle (ambidexterous) NATO 1913 Spec top rail 3 Mlok slots (both sides bottom) Compatible with LRBHO (Last Round Bolt Hold Open) lower receiver Package Contents: Matador Arms Mat9 7.825 in 9mm Upper Receiver Matador Arms 850045441029: Mat9 Upper Receiver 9mm 7.825 in 1-10 Twist 1/2x28 Threads 4150 Lightweight Nitrided Black