Product Description
The SilencerCo AC1346 XL piston is designed for quick caliber or host changes and is a key component of the Nielsen device, helping suppressor-equipped semi-automatic pistols cycle reliably during barrel unlocking. Built from heat-treated 17-4 stainless steel for maximum durability, it features female threading to mate with SilencerCo threaded barrels. Add a Fixed Barrel Spacer when using fixed-barrel hosts.
Product Highlights
- XL-length .578x28 piston for .45 ACP pistol suppressor setups
- Heat-treated 17-4 stainless steel construction for long service life
- Part of the Nielsen device system to support consistent semi-auto cycling
- Easy to swap pistons for different hosts and calibers
- Female threads interface with SilencerCo threaded barrels; use a Fixed Barrel Spacer for fixed barrels
Specs
- Brand: SilencerCo
- Model: Piston (XL)
- Caliber: .45 ACP
- Thread Pattern: .578 x 28 XL
- Material: 17-4 Stainless Steel (heat-treated)
- MPN: AC1346
- UPC: 817272015287
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