Hey guys,
I just purchased a DDM4V7P in 300 blk. My first 120 rounds had about 10 FTF with both sub and sonics while shooting suppressed. The casings eject fine but the next bullet gets wedged nose up by the BCG.
The gun was properly lubed 😉 and I was using 300 blk Pmags.
My guess is I’m over gassed but wanted to see if anyone could point me in the right direction. I currently have a law tactical folder, sb3a brace and H1 buffer. SBR tax stamp on the way (maybe i should have waited). I’ve researched the A5 system, JP SCS, and H2/3 buffers but the information is overwhelming. Any ideas so I get it right the first time?625CB8D4-08B3-43AA-9CDF-352D60C3BB02.jpgC0EC1690-B01B-47F8-8EE4-CA2CB866033F.jpgAFD2FBDF-F2EB-48F5-B524-4582CE3A5841.jpg40E126C7-37A3-4D43-82B6-93A18FD3732F.jpg
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