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

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 Construction
Aerospace-grade material for maximum durability, corrosion resistance, and longevity.

Enhanced Mil-Spec Trigger
PTFE-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 Nut
Streamlined design improves aesthetics and strength while maintaining secure assembly with zero wobble.

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

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

Hardcoat Anodized Finish
Protection 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"