Didn't someone report some of the budget uppers not having M4 feed ramps in the barrel extension or none in the upper that lined up properly?
I'd take a good look at those feed ramps and upper/mate to the barrel.
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Didn't someone report some of the budget uppers not having M4 feed ramps in the barrel extension or none in the upper that lined up properly?
I'd take a good look at those feed ramps and upper/mate to the barrel.