Description

PWS MK1 MOD 1-M PRO Complete Lower – 5.56 / Multi

Elevate your AR-15 build with the Primary Weapons Systems MK1 MOD 1-M PRO Complete Lower—a premium mil-spec platform designed for shooters who demand rugged reliability and smooth performance. This factory-assembled lower blends top-tier engineering with combat-ready functionality, offering a streamlined solution for builders, upgraders, and professionals alike.

Forged from 7075-T6 aluminum, the MK1 MOD 1-M PRO delivers uncompromising strength without added bulk. Every component, from the fluted buffer tube to the Bravo Company USA furniture, is selected for comfort, control, and customization. Whether you’re assembling a precision shooter or refining your home defense setup, this lower lays a rock-solid foundation that’s ready to perform under pressure.

Forged 7075-T6 Aluminum ConstructionAerospace-grade material for maximum durability, corrosion resistance, and longevity.

Enhanced Mil-Spec TriggerPTFE-coated with a 5.5–6.5 lb pull weight for consistent and smooth engagement on every shot.

PWS Fluted Buffer Tube + Ratchet Lock Castle NutStreamlined design improves aesthetics and strength while maintaining secure assembly with zero wobble.

QD End PlateQuick-detach sling mounting point for rapid deployment and tactical flexibility.

Bravo Company USA Stock and GripErgonomic control and comfort with proven, field-tested furniture components.

Hardcoat Anodized FinishProtection against wear, impact, and the elements.

Specifications

  • Material: 7075-T6 Forged Aluminum
  • Finish: Hardcoat Anodized
  • Compatibility: AR-15 Platform
  • Trigger Type: Mil-Spec Enhanced, PTFE-Coated
  • Trigger Pull Weight: 5.5 – 6.5 lbs
  • Buffer Tube: PWS Enhanced, Fluted
  • Buffer Type: PWS H2 Steel Body
  • Castle Nut: Ratchet Lock System
  • Sling Mounting: QD End Plate
  • Grip & Stock: Bravo Company USA
  • Caliber: Multi-Caliber (.223 Rem / 5.56 NATO)
  • Weight: 2 lbs. 4 oz.
  • Color: Black
  • Trigger Pin Diameter: MIL-SPEC .154″