Complete Upper Receivers

The MK1 MOD 1-M line, revamped for 2018, features the PWS long stroke piston system. Internally, this line offers the tried and true system that PWS owners have grown to know and love. Featuring a free-float MLOK handguard, forward assist controls, and a...

The MK1 MOD 1-M line, revamped for 2018, features the PWS long stroke piston system. Internally, this line offers the tried and true system that PWS owners have grown to know and love. Featuring a free-float MLOK handguard, forward assist controls, and a...

The MK1 MOD 1-M line features the PWS long stroke piston system. Internally, this line offers the tried and true system that PWS owners have grown to know and love. Featuring a free-float MLOK handguard, forward assist controls, and a more true to...

The PWS MK1 MOD 2-M line, revamped for 2018, features the PWS long stroke piston system. While the internals remain the same as other PWS lines, the MK1 MOD 2-M offers a variety of features exclusive to this line. Starting with patent pending PicLok...

The PWS MK1 MOD 2-M line features the PWS long stroke piston system. While the internals remain the same as other PWS lines, the MK1 MOD 2-M offers a variety of features exclusive to this line. Starting with patent pending PicLok technology on the free...

Chainsaw will now be Noveske's forged product offering based on a hybrid of their Gen 1 and Gen 4 designs. They have modified the basic M4 look to match the Gen 4 aesthetic lines and smooth fit. Noveske will offer Chainsaw in three barrel lengths and two...

Chainsaw will now be Noveske's forged product offering based on a hybrid of their Gen 1 and Gen 4 designs. They have modified the basic M4 look to match the Gen 4 aesthetic lines and smooth fit. Noveske will offer Chainsaw in three barrel lengths and two...

Chainsaw will now be Noveske's forged product offering based on a hybrid of their Gen 1 and Gen 4 designs. They have modified the basic M4 look to match the Gen 4 aesthetic lines and smooth fit. Noveske will offer Chainsaw in three barrel lengths and two...

This Forged 7075 T6 Aluminum Upper features an M-LOK compatible handguard, M4 feedramps, Melonite finished barrel and Hard Coat Anodizing.MANUFACTURER: Midwest IndustriesMPN: MI-556CRM9-UMODEL: UpperBarrel Length: 10.5"Description: M-LOKFit:...

The NEW Maxim Defense PDX U.R.G is built to handle the fierce demands of the Tier 1 community and designed to install on any Mil-Spec lower receiver. With the PDX U.R.G, you dominate close quarter encounters and achieve maximum energy on target without...

The NEW Maxim Defense PDX U.R.G is built to handle the fierce demands of the Tier 1 community and designed to install on any Mil-Spec lower receiver. With the PDX U.R.G, you dominate close quarter encounters and achieve maximum energy on target without...

The NEW Maxim Defense PDX U.R.G is built to handle the fierce demands of the Tier 1 community and designed to install on any Mil-Spec lower receiver. With the PDX U.R.G, you dominate close quarter encounters and achieve maximum energy on target without...