Osprey Defense OPS-416 Gas Piston System any good? [Archive]

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gus7

12 October 2010, 10:32

i am think of doing one ar with the Osprey Defense kit so has anybody tried them here yet ?feedback pro/con please

TripleBravo

12 October 2010, 11:14

Gus7,

Welcome to Weapon Evolution. There's some information here: http://www.weaponevolution.com/forum/showthread.php?2287-Osprey-Defense-OPS-416-piston-retrofit-kit&highlight=Osprey