
Available to order
TACFIRE SS-RK556-LPK 556 RFL BUILD KIT
$449.99
Available to order — brought in to the store for pickup
UPC 817272015287MPN AC1346

$109.99
Not available to order
Currently unavailable to order
SilencerCo Piston, listed under FIREARM PARTS. Key specifications: Material Stainless Steel, Thread Pattern .578 x 28 XL.
The 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 the SilencerCo threaded barrels.
Product description as provided for this item, not written by the store.
| Model | Piston |
|---|
| Shipping weight (lb) | 0.09 |
|---|---|
| Package dimensions (in) | 4.7 x 3.1 x 1.3 |
| Material | Stainless Steel |
|---|---|
| Thread Pattern | .578 x 28 XL |