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Pilot · October 17, 2012, 04:14 PM

How about a gas retarded, blowback system like the HK P7? I would imagine the size of the gas piston, and tube to be prohibitively large to handle .308 type pressures.

October 17, 2012, 04:14 PM	#11
Pilot Senior Member Join Date: December 21, 2000 Posts: 4,193	How about a gas retarded, blowback system like the HK P7? I would imagine the size of the gas piston, and tube to be prohibitively large to handle .308 type pressures. __________________ Pilot