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jtjcheng · December 6th, 2011, 12:28

It's actually quite easy. If you want a WA-based BCG, just change the buffer tube to a WA-based one, e.g. 5KU. I was sanding down my G&P NPAS BCG as suggested on some other forum but it still failed to cycle, so I figured that the BCG must get stuck in the buffer tube for some reasons, and the problem should be the buffer tube. By changing the buffer tube, I solved the problem.

This is also for those who wonder about this mod too.

However, I now have a problem with the buffer retainer pin, as I seemed to have lost its attachment when I was disassembling the gun.

Sim, would you know how to replace it with a WA-based buffer retainer pin by any chance?

December 6th, 2011, 12:28	#25
jtjcheng Trader rating Join Date: Sep 2007 Location: Vancouver, B.C.	It's actually quite easy. If you want a WA-based BCG, just change the buffer tube to a WA-based one, e.g. 5KU. I was sanding down my G&P NPAS BCG as suggested on some other forum but it still failed to cycle, so I figured that the BCG must get stuck in the buffer tube for some reasons, and the problem should be the buffer tube. By changing the buffer tube, I solved the problem. This is also for those who wonder about this mod too. However, I now have a problem with the buffer retainer pin, as I seemed to have lost its attachment when I was disassembling the gun. Sim, would you know how to replace it with a WA-based buffer retainer pin by any chance? __________________ Velocity, Distance, Acceleration, Time... A gun has them all...