SilencerCo Piston M13.5x1LH XL
$75.65
The SilencerCo M13.5x1LH XL Piston allows easy caliber and host firearm changes. Made from heat-treated 17-4 stainless steel for lasting durability.
11 in stock
SilencerCo's pistons were designed to be easily changed for different host firearms or calibers. Pistons are built with 17-4 stainless steel then heat-treated for maximum durability. The piston is part of the Nielson device that moves and allows semi-automatic cycling for unlocking pistol barrels. Throw a Fixed Barrel Spacer on for fixed barrel applications. SilencerCo pistons have female threading that attaches to their SilencerCo threaded barrels.
Compatible with
- Omega K Series
- Hybrid 46
- Hybrid 46M with Charlie Piston Mount
- Osprey Series
- Octane Series
- Omega 36M with Charlie Piston Mount
| Weight | 0.105 lbs |
|---|---|
| Dimensions | 6.500 × 4.600 × 0.500 in |
| Manufacturer | SilencerCo |
| Finish | heat-treated |
| Material | 17-4 stainless steel |
| Compatible With | Omega K Series, Hybrid 46, Hybrid 46M, Charlie Piston Mount, Osprey Series, Octane Series, Omega 36M |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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