Complete Upper Receivers

WMD UPPER ASSY 300BLK 16" BARREL

WMD Guns

WMD UPPER ASSY 350 LEGEND 16" BARREL

WMD Guns

SPIKE'S 556NATO UPPER 16" CHF/FSP

Spike's Tactical

SPIKE'S 556 UPPER 14.5"PB RAIL/DYN

Spike's Tactical

SPIKE'S 556NATO M4 LE UPPER W/RAIL

Spike's Tactical

SOLGW PATROL SL 16" 5.56 FSB URG

Sons of Liberty Gun Works

SOLGW L89 V2 5.56 13.7" HUX BLK

Sons of Liberty Gun Works

SOLGW L89 V2 5.56 13.7" NOX BLK

Sons of Liberty Gun Works

SOLGW L89 BS V2 5.56 13.7" HUX BLK

Sons of Liberty Gun Works

SOLGW L89 BS V2 5.56 13.7" NOX BLK

Sons of Liberty Gun Works

SOLGW M4-EXO3 13.7" 5.56 URG

Sons of Liberty Gun Works

SOLGW E INDIA KIT V2 5.56 16" BLK

Sons of Liberty Gun Works

SOLGW E INDIA KIT V2 5.56 13.7" BLK

Sons of Liberty Gun Works

RRA CMPLT CAR A4 UPR 458 SOCOM 16"

Rock River Arms

RRA CMP COYOTE CAR A4 UPR 300BLK 16"

Rock River Arms

RRA CMPTL RRAGE 3G UPR 5.56NATO 16"

Rock River Arms

RRA CMPLT MID A4 UPR 450BM 16" 5RD

Rock River Arms

RRA CMPLT CAR A4 UPR 350LGD 16" 10RD

Rock River Arms

RISE CMPLT UPPR 6MM ARC 18" PAT BRN

Rise Armament

RISE CMPLT UPPR 6MM ARC 18" BLACK

Rise Armament

RISE CMPLT UPPR 22 ARC 18" PAT BRN

Rise Armament

RISE CMPLT UPPR 22 ARC 18" BLACK

Rise Armament

RADICAL UPPR 762X39 16" 1-10 MLOK BL

Radical Firearms

RADICAL UPPR 300BLK 16" 1-8 MLOK BLK

Radical Firearms