Matador Arms MAT-9K AR-9 9mm 5in Roller Delayed Upper Receiver Up to $24.00 Off w/ Free Shipping — 3 models

The MAT-9K upper is a roller delayed buffer-less, side charging, non-reciprocating 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 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.

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 Matador Arms Mag-X magazine conversion kit or equivalent type product such as Endomag.

The Roller Delayed system designed for our MAT-9K upper reduces recoil, lightens the upper and increases reliability. The lack of a need for buffer tubes increases agility and portability in compact spaces. The flexibility of the non-reciprocating and reversible charging handle makes the MAT-9 the perfect platform for any shooter.

Specifications for Matador Arms MAT-9K AR-9 9mm 5in Roller Delayed Upper Receiver:

Features of Matador Arms MAT-9K AR-9 9mm 5in Roller Delayed Upper Receiver

• Non-reciprocating steel charging handle (ambidexterous)
• 4140 Nitrided steel bolt and action parts
• 6061-T6 anodized upper receiver
• 4150 Lightweight Nitrided Barrel, 5in long, 1:10 twist, 1/2x28 threads
• NATO 1913 Spec top rail
• 1 MLOK slot (both sides, bottom)
• Compatible with LRBHO (Last Round Bolt Hold Open) lower receiver
• Ready to run with a Suppressor right out of the box!
• Roller Delayed operating system

Package Contents:

• Matador Arms MAT-9K AR-9 9mm 5in Roller Delayed Upper Receiver

What firearm models does the manufacturer say Matador Arms MAT-9K AR-9 9mm 5in Roller Delayed Upper Receiver is compatible with?