AR-15, M4 & M-16 Gas Piston Semi/Fully Automatic Bolt Carrier
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FAQ's
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FAQ
- How do different barrel nuts affect the Osprey Defense kit?
- What Calibers will the OPS-416 work with no Issues?
- What exactly is the difference between the various op-rod choices?
- Will my OPS-416 fire in full-auto if I possess a transferable M-4 or post-sample?
- Will we be offering a 308 Kit?
- Will aftermarket handguards fit my OPS-416 Piston Kit?
- Installation
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FAQ