If you really don't care about efficiency, keep the LX only for recoil reasons. The bolt is a bit lighter. The L7 bolt could use to have the bolt rounded at the tip to reduce the number of ball-waiting cracks.
It seems to me there is a tiny bit more blowback with L7 also. With a force-fed loader, it shouldn't be an issue.
It seems to me there is a tiny bit more blowback with L7 also. With a force-fed loader, it shouldn't be an issue.
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