I was at the range today and saw a colt spoter ar15 20" no bayolug
BUT it had the autosear hole drilled and its auged outinside but has a "block" installed there with COLT stamped on it ive never seen a lower like this is this common? why would they bother to drill the auto sear hole?
BUT it had the autosear hole drilled and its auged outinside but has a "block" installed there with COLT stamped on it ive never seen a lower like this is this common? why would they bother to drill the auto sear hole?




















































