Complete Uppers

MK18 UPPER RECEIVER GROUP - Flat Dark Earth Use what "THEY" use. The Daniel Defense MK18 Upper Receiver Group features the railed forend Daniel Defense currently provides to USSOCOM and a 10.3" Cold Hammer Forged Barrel. The MK18 Rail Interface...

The MK111 PRO Upper, features the PWS long stroke piston system. Internally, this line offers the tried and true system. Featuring a free-float MLOK handguard, with the fully forged upper. The MK111 Pro is a no-nonsense tool for when you need a high...

High quality components and precise manufacturing makes Colt Products ideal for both new shooters and experienced gun owners. The durability, reliability and excellent build quality will provide years of service you can count on...

The durability, reliability and excellent build quality of Colt uppers will provide years of service you can count on. The complete upper comes with everything one needs.

The PWS MK1 PRO line features the tried and true PWS long stroke piston system. This line is perfect for shooters looking for a cost-effective piston system firearm without sacrificing the high-quality standards PWS has been known for over a decade...

  Knights Armament Company SR-15 CQB Mod 2 Complete Upper 11.5" 556 The SR-15 E3 Mod 2 series' 5.56 mm NATO barrel is manufactured for military grade durability, and is free-floated inside a URX4 M-LOK handguard. An improved E3 round-lug bolt...

  Ballistic Advantage 16" .223 Wylde BA Hanson Stainless Steel Midlength AR 15 Barrel w/ Lo Pro, Premium Series This .223 Wylde chambered 16 inch barrel is machined from 416R Stainless Steel with a bead blasted finish. Our Premium Series Barrels...

  Seekins Pro Series 12" 223 Wylde Complete Upper The SPROV3 is designed to use on its own or with a suppressor. It is configured to keep the overall length to approximately that of a standard carbine by the use of a 12 inch barrel and the Seekins...