Complete Uppers

Daniel Defense - DD4 7.0 - URG - 11.5 FSP Barrel - 1/7 Twist - 5.56/.223 - Black The Contract Overrun upper receiver group is built for maximum maneuverability with its 11.5" Government-profile...

This EPC-9 Complete Upper Receiver comes standard with our ATLAS R-ONE Handguard. The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to...

The DD4 RIIIS AR15 style Upper Receiver Group is built around a 11.5 inch Cold Hammer Forged Government Profile barrel with a Daniel Defense Flash Suppressor, a GRIP-N-RIP Charging Handle, and their...

The Triarc Systems TSR-15 SPR Upper seeks to redefine what a factory SPR barreled assembly can be; incorporating the most functional component choices possible, Triarc System has invigorated the...

This complete upper includes our new ATLAS R-ONE Handguard! The R-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. Our...

SIG SAUER MCX-SPEAR LT UPPER/CONVERSION. KIT 7.62 X 39MM Compatible w/any MIL-SPEC AR-15/M4 Compatible w/MCX, M400 & 516 Upgrade any M4/AR15 into an MCX-SPEAR LT.

This Aero Precision M4E1 Threaded upper receiver group comes completely assembled with 16” 5.56 barrel and the ATLAS S-ONE M-LOK handguard. This barreled upper receiver group does not include BCG or...

10.5” Gen 3 Shorty 300BLK CHF Complete Upper Barrel 10.5” 300BLK cold hammer forged with 1:7 twist Our chrome lined barrels are cold hammered forged and made with the material callouts and...

M4E1 THREADED COMPLETE UPPER, 16" 5.56 MID-LENGTH BARREL, 15" ATLAS R-ONE M-LOK HG - ODG ANODIZED Shipping to FFL Dealer Required No Made In America: Yes Platform: AR15 Complete Upper Series: ATLAS

Aero Precision M5 16" .308 CMV Complete Upper Receiver with ATLAS R-ONE Handguard - OD Green Anodized Aero Precision APAR538772M22: The R-ONE handguards are designed with size and weight in mind,...

The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. Our proprietary ATLAS attachment...

Aero Precision APAR700396M29: This complete upper includes Aero Precision's new ATLAS R-ONE Handguard! The R-ONE line of handguards are designed with size and weight in mind, providing the perfect...