
Available to order
TACFIRE SS-RK556-LPK 556 RFL BUILD KIT
$449.99
Available to order — brought in to the store for pickup
UPC 850064482263MPN JK155PISTON578X28BN

$133.99
Available to order
Available to order — brought in to the store for pickup
JK JK155PISTON578X28BN 155 PISTON 578X28 45/10 BLK by JK ARMAMENT, listed under FIREARM PARTS. Key specifications: Finish Nitride, Material Stainless Steel, Thread Pattern .578"x28.
Precision machined from 17-4 PH stainless steel, JKs booster piston is the component that screws onto the threaded pistol barrel, mating suppressor and pistol together. The pistons are available in 1/2x28 threads (nearly all 9mm and some other pistols) and .578x28 threads (.45 ACP and some other larger-than-9mm pistol calibers).
Product description as provided for this item, not written by the store.
| Series | Piston |
|---|
| Shipping weight (lb) | 0.085 |
|---|---|
| Package dimensions (in) | 4.0 x 3.5 x 2.3 |
| Finish | Nitride |
|---|---|
| Material | Stainless Steel |
| Thread Pattern | .578"x28 |