Upper

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...

This Daniel Defense M4A1 FSP AR15 style Upper Receiver Group was built for customers wanting a firearm inspired by USSOCOM SOPMOD Block II. This upper features the M4A1 FSP RIS II picatinny quad rail in Flat Dark Earth, a 14.5" M4 profile barrel,...

Manufactured with confidence and without compromise, the Super Duty MOD1 adds value to the platform while continuing the reputation for excellence. All of these technologies and advancements combine to bring to market a true next-gen upper for the AR-15...

Manufactured with confidence and without compromise, the Super Duty MOD1 adds value to the platform while continuing the reputation for excellence. All of these technologies and advancements combine to bring to market a true next-gen upper for the AR-15...

Geissele Automatics Super Duty Mod1, Complete Upper Receiver, 556nato, 14.5" Pinned (16" Oal) Barrel, M-lok Free Float Handguard, Geissele Airborn Charging Handle, Nanoweapon Reliability Enhanced Bolt Carrier Group, Fits Ar-15, Anodized Finish, Black...

Geissele Automatics Urg-i, Near Clone, Complete Upper Receiver, 556nato, 14.5" (16" Oal) Barrel, 1:7 Twist, Pinned And Welded Surefire 4 Prong Flash Hider, Desert Dirt Color 13.5" Smr Mk16 M-lok Free Float Handguard, Desert Dirt Color Geissele Airborne...

Geissele Automatics Super Duty Mod1, Complete Upper Receiver, 556nato, 14.5" Pinned (16" Oal) Barrel, M-lok Free Float Handguard, Geissele Airborn Charging Handle, Nanoweapon Reliability Enhanced Bolt Carrier Group, Fits Ar-15, Anodized Finish, Desert...

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...

The Daniel Defense M4A1 Upper Receiver Group features the M4A1 Rail Interface System (RIS II), which has been in use by US Special Operations Command (SOCOM) for the SOPMOD II Weapons System since 2005. This two-piece, free-floating rail system allows...