Hardware/Product Questions

Questions about PWS Product, Specs, Etc.

How Can I Tell If My Carrier Is Full-Auto Rated?
Your PWS BCG is full-auto rated if it has serrations on the side. If your BCG does not have serrations on the side, please contact PWS Sales.For a complete list of the lineart comparing the...
Are there any suppressors which will fit PWS muzzle devices?
Due to the changes in attachment designs PWS muzzle devices are not a good mount for any known current suppressors on the market.
Can I add my own aftermarket barrel to a PWS Long-Stoke Upper?
Due to the proprietary nature of the upper receiver assembly, gas block attachment design, and proprietary barrel profile swapping in a barrel is not possible at home.
What is the preferred Buffer Weight for my PWS Long-Stroke Upper/Firearm?
All PWS Long-Stroke Uppers and Firearms are tuned for use with an H2 buffer weight.Our MK2 line uses a shorter .308 H2 buffer. Our PCC line uses the PCC extended length buffer.
What is the Outer Diameter for the PWS buffer tubes – Commercial or Mil-Spec?
All PWS Carbine/M4 Buffer Tubes are Mil-Spec in terms of compatible stock selection. The PWS Pistol Buffer Tube has a nominal OD of 1.2”.
What material is the Upper Receiver, Lower Receiver, and Handguard made from?
MK1 MOD 1-M, MK1 MOD 2-M and MK2 MOD 1-M Upper Receivers and Lower Receivers are machined 7075 Al, and Handguards are extruded 6065 AI. MK1 PRO Upper Receivers are extruded 6061 AI. PCC Upper receivers are extruded 6061 Al and PCC lower receivers are...
Does PWS use a specialized or proprietary Firing Pin Retaining Pin?
All MK1 models feature a general retaining pin common in the marketplace and which can be easily replaced with any found in a local black rifle store; the MK2 series can be replaced with units in the marketplace but the design is unique to PWS for the...
What mags do you recommend for 7.62x39?
The two most common magazines for 7.62x39 ARs are ones from Ammunition Storage Components (ASC) and C Products Defense (CPD). We’ve tested both, and have customers using both. While most run when new, they can take some break-in before they run well, ...
Where can I find the muzzle velocity of PWS firearms?
To see our muzzle velocity chart, please click here.
Do your parts/accessories work on DI systems?
Most of our parts/accessories are not proprietary to the PWS system. The replacement rails/handguards are proprietary and cannot be used on direct impingement firearms.
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