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Product Info for Primary Weapons Systems Piston
Primary Weapons Systems was formed by firearm enthusiasts in 2008. Starting out by producing muzzle devices, they tested their compensators on all different types of rifles - from M4s to AK-47s. After using both styles of rifles in testing with high round counts, the difference in maintenance needed was both astounding. From that basic realization, the PWS long-stroke piston system was born; keeping the core values of the AR-15 design, while also lessening the need for maintenance in high-volume fire situations and adverse conditions. The 13.5x1 LH piston allows the use of PWS suppressors on 13.5x1 LH threads.![]()
Specifications for Primary Weapons Systems Piston:
| Manufacturer: | Primary Weapons Systems |
| Color: | Black |
| Finish: | Anodized |
Features of Primary Weapons Systems Piston, Fits 1/2X28, Anodized Finish, Black:
- 1/2x28
Package Contents:
- Primary Weapons Systems Piston
Primary Weapons Systems Piston Orderable Models
List of Orderable Models
- Primary Weapons Systems Piston, M13.5x1 LH, Black, PISTON-135X1LH , MPN: PISTON-135X1LH , UPC: 811154033772 , Code: 2D5-MD1-PWSP28-PISTON-135X1LH
- Primary Weapons Systems Piston, Fits 1/2X28, Anodized Finish, Black, PISTON-1-2X28 , MPN: PISTON-1-2X28 , UPC: 811154033789 , Code: 2D5-MD1-PWSP28-PISTON-1-2X28