I have 2 AR's - one A2 .223 and 6.5 Grendel.
A2 lower is a Rock River. With the 6.5 Grendel upper it functions virtually flawlessly. Feeds and Magazine lock back.
Grendel lower is a Surplus Arms lower - admittedly went for a low bid. Anyway I am experiencing feed failure and intermittent lock back.
What on the Surplus Arms lower could need adjusting? I have not put the .223 upper on this lower to see if it has the same problems.
Thanks,
Walt
A2 lower is a Rock River. With the 6.5 Grendel upper it functions virtually flawlessly. Feeds and Magazine lock back.
Grendel lower is a Surplus Arms lower - admittedly went for a low bid. Anyway I am experiencing feed failure and intermittent lock back.
What on the Surplus Arms lower could need adjusting? I have not put the .223 upper on this lower to see if it has the same problems.
Thanks,
Walt
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