Description
Three pieces of heavy-duty blocks securely clamp all flat top & carry handle Mil-Spec AR-15/M16 upper & lower receiver components to prevent damage or movement during repair, assembly & cleaning.
Constructed of impact-resistant glass-filled nylon.
Upper block fits flat top and carry handle receivers
Lower block fits in magwell
* Will not fit Billet or Side Charge uppers or .308 AR receivers*
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