
Originally Posted by
WS6
I think this is the issue, and here is a picture. I have owned 2 of these Noveske FFL Gen 2 lowers and they are both the same. Compared to my Daniel Defense and other in-spec guns I have seen, they place the mag further down and the bolt doesn't hit the back of the case as squarely. I have personally seen it cause issues while training with my carbine before, like I said, on reloads when I hit the bolt-release, although not in live fire until maybe now? Easily could have caused a nose-dive and a stopping/slowing of the BCG, IMO.
Here is the Noveske compared to the Daniel Defense that I took a while back diagnosing THAT issue. I think it may have caused this one, too.
I think this is likely it. I encountered a similar "strange" issue a few months back on a buddy's gun. I had him put some Federal 62gr Fusion soft points in the mag (also a Lancer L5 AWM) so I could see if the nose was impacting the feed ramps at and extreme angle or maybe even the front of the magazine. He was using some shit-brand lower but it was the same issue. I could see the nose of each round was smashed to hell (but ti didn't do anything to the nose of the '193 rounds). Didn't happen with USGI mags with MP followers (Brownells mags).
Also, the L5 AWM's in my experience, apply more pressure on the bottom of the BCG due to their extra-stout mag spring. This could also exacerbate the issue by artificially slowing the Carrier's final stroke, going into battery due to friction of the round body against the interior of the feed lips. I think IG's rec on the Blue spring and H3 buffer may alleviate any issues that are purely related to the Lancer's XP mag spring.
"That thing looks about as enjoyable as a bowl of exploding dicks." - Magic_Salad0892
"The body cannot go where the mind has not already been."
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