Primary Weapons Systems MK107 7.75" Barrel, 7" KeyMod 223 Wylde

Primary Weapons Systems MK107 7.75" Barrel, 7" KeyMod 223 Wylde

PWS MK107 UPPER, 7.75IN BARREL, .223 WYLDE, TRIAD 556

PWS MK107 Diablo Complete 7.62x39mm 7-Inch Upper

PWS MK107 Diablo Complete 7.62x39mm 7-Inch Upper

Primary Weapon Systems MK107 Diablo Complete Piston AR Upper chambered in 7.62x39mm 7-Inch Barrel
**Click Picture for Full Specs**

PWS MK114 UPPER, 14.5IN BARREL, .223 WYLDE, PINNED FSC 556

PWS MK114 UPPER, 14.5IN BARREL, .223 WYLDE, PINNED FSC 556

MK1 MOD 1 Complete Gas Piston Upper Receiver 14.5-inch barrel from Primary Weapon Systems AR15 M4

Primary Weapons System PWS Upper 5.56mm MK110 10.75 inch

Primary Weapons System PWS Upper 5.56mm MK110 10.75 inch

MK1, Mod 1 Upper, 10.75" Barrel, 10" KeyMod Rail, .223 Wylde, Black, Triad 556 Primary Weapon Systems AR15/M4

Primary Weapons System PWS Complete 5.56mm MK-112 Upper

Primary Weapons System PWS Complete 5.56mm MK-112 Upper

MK-112 Complete Gas Piston Upper Receiver 12.5-inch barrel from Primary Weapon Systems AR15/M4

Primary Weapons System PWS Complete MK116 .223 Wylde 16-Inch

Primary Weapons System PWS Complete MK116 .223 Wylde 16-Inch

Complete Gas Piston Upper Receiver - 16 inch barrel - from Primary Weapon Systems **Click Picture for Full Specs**

Primary Weapons Systems Enhanced Buffer Tube - Mil Spec

Primary Weapons Systems Enhanced Buffer Tube - Mil Spec

The PWS Enhanced Buffer Tube is the first major upgrade and improvement to the buffer tube in years! Click Picture for Full Benefits of the EBT

Primary Weapons Systems PWS Enhanced Buffer Tube Pistol

Primary Weapons Systems PWS Enhanced Buffer Tube Pistol

PWS Enhanced Pistol Buffer Tube for the AR-15/MK1/MK2 Series Pistols

Primary Weapon Systems H2 Buffer

Primary Weapon Systems H2 Buffer

PWS H2 Buffer The minimal contact points of the PWS H2 buffer allow debris to clear, while the nickel-Teflon coating keeps carbon from sticking.