Colt Upper Receiver Assembly Conversion Kit with Surefire MB.
Cal. 5.56 MM Model: LE6921CK Barrel 14.5" with pinned/welded Surefire SFMB-556-1/2-28 to get it just longer than 16". I am original owner, never shot it, just had smith at Adventure Outdoors pin/weld on the brake. Barrel is 1/7 twist with barrel no. 13629. The SFMB-556-1/2-28 also serves as a rock-solid mounting adapter for SureFire SOCOM Series 5.56 mm Fast-Attach® suppressors.
Must meet in Johns Creek area, no shipping. Thanks for your interest.
Cal. 5.56 MM Model: LE6921CK Barrel 14.5" with pinned/welded Surefire SFMB-556-1/2-28 to get it just longer than 16". I am original owner, never shot it, just had smith at Adventure Outdoors pin/weld on the brake. Barrel is 1/7 twist with barrel no. 13629. The SFMB-556-1/2-28 also serves as a rock-solid mounting adapter for SureFire SOCOM Series 5.56 mm Fast-Attach® suppressors.
Must meet in Johns Creek area, no shipping. Thanks for your interest.
