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RSR Stock #: PWS18-M100RM1B
Manufacturer Part #: 18-M100RM1B
UPC: 811154030450

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Primary Weapons Systems, MK1 MOD 1-M/PRO, Semi-automatic, Complete AR15 Lower Receiver, 223 Remington/556NATO, Anodized Finish, Black, BCM Adjustable Stock, PWS Enhanced Buffer Tube, Ratcheting Castle Nut, QD Endplate, H2 Buffer Weight, BCM Pistol Grip, Mil-Spec Trigger


CA PROP 65 WARNING: This product may contain chemicals known to the state of CA to cause cancer, birth defects or other reproductive harm.


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  • PWS MK1 MOD 1-M Multi-Caliber Lower, T6 7075 Forged, Anodized, AR-15 Compatible
  • Mil-Spec Enhanced Trigger, PTFE Coated
  • Trigger Pull Weight: 5.5 - 6.5 lbs
  • PWS Enhanced Buffer Tube with ratchet lock castle nut and end plate set with built-in QD mount
  • PWS Enhanced H2 Steel Body Buffer
  • Bravo Company USA Buttstock and Pistol Grip

Product Description

Internally, this line offers the tried and true system that PWS owners have grown to know and love. Featuring a more true to mil-spec design, the MK1 MOD 1-M line is a go-to for not only civilians, but also Law Enforcement. With the fully forged lower receiver, the MK1 MOD 1-M is a no-nonsense tool for when you need a high value option that is relentless and unstoppable.