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SilencerCo AC57 piston for the Osprey/Octane Nielsen device is made from heat-treated 17-4 stainless steel for durability. It features female 1/2x36 threading to attach to SilencerCo threaded barrels and enables semi-automatic cycling and unlocking of pistol barrels as part of the Nielsen booster assembly. For fixed barrel setups, use the appropriate Fixed Barrel Spacer.
Specifications
- Manufacturer:
- SilencerCo
- Category:
- misc-parts
- UPC:
- 8229125881978
- MPN:
- AC57
- Required Component:
- No
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$75.65
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$64.99
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