Spare Parts

Bushing

304 Stainless Steel Bushing for the Osprey Defense Gas Piston Systems

Piston, Chamber and Stem

Osprey Defense Piston, Chamber, and Stem

Op-Rods

Op-Rods come in Carbine Standard, Carbine Modified, Mid Length Modified, and Rifle Length Modified …

Piston Bolt Carrier

AR-15, M4 & M-16 Gas Piston Semi/Fully Automatic Bolt Carrier

Piston Chamber

Black Nitride Coated Osprey Defense Piston Chamber

Piston Clip

Piston Clip part.

Retention Pins

Sold in a set of 2. Solid gas block retention pin (required for the Osprey Defense Gas Piston S…

Piston

Black Nitride Finished Osprey Defense Piston