lugnut Posted December 29, 2009 Share Posted December 29, 2009 Mixing N320 and MG 147g has given me the most consistent velocity out of my G34 than any other powder/bullet combo I've tried:MG 147g CMG 3.5g N320 Oal: 1.158" Win SPP 131 PF What do you use for a recoil spring for those loads? I made PF at 3.4 and 3.5gr as well but the gun didn't cycle reliably with 3.4g at all and when I tested 3.5g I had one glitch so I've used 3.6g and have never had an issue. I was using a 13lb ISMI. Link to comment Share on other sites More sharing options...
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