Osprey Defense OPS-420 Gas Piston Retrofit Conversion Kit AR-15 Large Barrel Diameter Rifle Length
- Available for carbine, mid, and rifle length gas systems
- For barrel diameters greater than .875"
- Compatible with the following calibers: 223 Rem/5.56x45mm NATO, 5.45x39mm Russian, 7.62x39mm Russian, 6.5 Grendel, 6.8mm Rem SPC
- Suppressor and full-auto compatible
- Solid Billet Bolt Carrier
- Piston Chamber
- Operating Rod
- High Heat Handguard
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Product ships from MidwayUSA, separate from any other products on your order due to its size. Products that are Shipped Alone incur separate "Per Order" and "Per Pound" shipping charges.
Product is regulated by the US Department of Transportation (DOT) and cannot be shipped via USPS or air shipping methods. DOT-Regulated products must ship UPS Ground.
Product is restricted by shipping carriers and cannot be shipped to certain locations or via certain shipping methods.
Additional shipping charge for HazMat products. Carriers charge extra to ship packages with products they consider hazardous, such as reloading powder and primers.
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