M249/MK46/MK48 RECEIVER SHEET METAL. THIS RECEIVER SHEET METAL COMPONENT CAN BE BUILT INTO A FULL AUTO MACHINE GUN OR A SEMI AUTO BELT FED RIFLE. WE DO THESE FOR MULTI CALIBER USE WITH LARGER EJECTION PORT. CALIBERS THIS SHEET METAL WILL WORK WITH INCLUDE 5.56 NATO, 7.62 NATO, 6.5 CREEDMOOR, 300 AAC BLACKOUT, 6.8 SPCII, 6.5 GRENDEL, 7.62X39 RUSSIAN, 260 REMINGTON ETC.

THESE ARE MIL-SPEC AND TAKE ALL MIL-SPEC WELDMENTS WITHOUT ANY MODIFICATIONS, THIS SAVES A LOT OF ASSEMBLY TIME AND ARE THE BEST AVAILABLE.  THIS SHEET METAL WELDS EASY, HEAT TREATS INTO A TOUGH RECEIVER AND PARKERIZES INTO A MIL-SPEC FLAT BLACK COLOR.

WE BUILD MILITARY ISSUE MACHINE GUNS AND CIVILIAN SEMI AUTO BELT FED RIFLES WITH THIS SAME RECEIVER SHEET METAL.

ALL NFA LAWS APPLY