The vast majority of .308 receivers are extended by 1/2" in the rear to accommodate a larger upper receiver and bolt carrier group. In order for the FRS-15 GEN III Carbine and Rifle kits to fit properly, an additional A2 spacer and adapter are necessary. This kit adds an additional 1/2" spacer under the buffer tube to allow the extra clearance needed. The included four inch screws are to be used with our rifle length kits.
UPC | 718117821691 |
MFG | thordsen customs |
MFG NUM | 4300QB308A |
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