This spacer disables the movement in the Nielsen device so the Osprey can be used with guns with fixed barrels. Made from 17-4 stainless steel then heat treated for maximum durability.
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ADVANCED ARMAMENT COMPANY 65001 Ti-Rant Piston Conversion 1/2″-28 tpi, Stainless Steel, for Ti-Rant 9m HD & 45
$74.99
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