Davidson Defense "Patras" AR-15 Pistol Upper Receiver 4" 9MM 4150 CMV QPQ Nitride 1-10T Barrel 4" M-Lok Handguard (Assembled or Unassembled)

9mm / 9x19

A 9mm AR pistol might be the most fun of all the ways to shoot one of the most popular calibers. In an AR platform that is more compact and mobile than a full rifle build, you have the same low recoil versatility that 9mm offers. With our 9mm Pistol Upper Build Kit you can build your pistol with little hassle, low cost, and have it set up just the way you want it with all of the options that we keep available for you.

KAK Industry AR-15 4" 9mm QPQ Nitride Fat 1-10T Barrel

The KAK Industry AR-15 4" 9mm QPQ Nitride Fat 1-10T Barrel is a high-quality and durable choice for 9mm pistol builds. Made from 4150 chrome moly vanadium with a nitride finish, it offers corrosion resistance. The fat profile enhances heat dissipation for improved accuracy and reduced wear. With a 1:10 twist rate and compact 4" length, it is suitable for various bullet weights and close-quarters use. Compatible with AR-15 pistols using a 9mm magazine, it has a threaded muzzle for easy attachment of accessories. Overall, it provides reliable performance for 9mm pistol builds.

Recoil Technologies Steel Flash Can, 1/2x36, Black Oxide Muzzle Brake

This Upper Features A Recoil Technologies Steel Flash Can. This Muzzle Device Is Made From High Grade Steel, Knurled In The Center, And Has A Black Oxide Finish. This Muzzle Device Was Designed To Direct Gasses And Noise Away From The Shooter.

Davidson Defense Mil-Spec AR-15 Upper w/ M4 Feedramps - 7075 T6 Aluminum

Built On An Upper Receiver Forged From 7075-T6 Aluminum. This Stripped Upper Is Precision Machined To Mil-spec M16/M4 Specifications And Features M4 Feedramps.

Gauntlet Arms "Ace Series" AR-15 4" M-Lok Freefloat Handguard

This Upper Features A Premium 4" Lakota Ops ACE Series M-Lok Handguard. This Handguard Is Made From The Highest Grade 6061-T6 Aluminum And Is Reinforced With Class 2 Type III Black Hard Anodizing. With M-Lok Cutouts On The Sides, This USA Made Handguard Will Allow You To Mount A Variety Of Accessories.

United Defense 9mm (9x19) Bolt Carrier Group

This Upper Also Includes A United Defense Labs 9MM Bolt Carrier Group.

Recoil Technologies AR-15 M4 Charging Handle Mil-Spec Quality

This AR-15 M4 Charging Handle is machined from 7075 T6 aluminum and has a Type III hard coat anodized finish. This means that this is one strong, durable, and reliable charging handle. The Teflon coating on the handle makes it resistant to corrosion and waterproof. The complete assembly includes the latch. This charging handle is small but mighty.