http://www.gaspiston.com AR15 M16 Gas Piston Conversions Wed, 25 Jan 2012 12:08:26 +0000 hourly 1 http://wordpress.org/?v=3.0.1 http://www.gaspiston.com/product/ops-418-mid-length/comment-page-1/#comment-5 14.5" upper options. Mon, 14 Mar 2011 22:27:14 +0000 http://gaspiston.com/?page_id=800#comment-5 [...] Yes, look into the osprey kit. No seals, no gaskets, and best of all no heavy ass gas block. OPS-418 Mid-Length :: Gaspiston.com looks like that would be the one for me correct? Reply With Quote + [...] [...] Yes, look into the osprey kit. No seals, no gaskets, and best of all no heavy ass gas block. OPS-418 Mid-Length :: Gaspiston.com looks like that would be the one for me correct? Reply With Quote + [...]

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