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Primary Weapons Systems MK1 Mod 2-M Complete Lower 5.56 NATO

The Primary Weapons Systems MK1 Mod 2-M Complete Lower is a high-performance, fully assembled lower receiver built to elevate your 5.56 NATO AR-platform rifle. Constructed from 7075-T651 forged aluminum, this lower offers rugged durability and a precision fit, paired with a sleek Mil-Spec Type III Class 2 hard coat anodized finish for maximum corrosion resistance. At just 2.3 lbs, it provides a lightweight foundation without sacrificing structural integrity or reliability.
$589.95
In stock
SKU
GAG_222M100RM1B

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PWS MK1 Mod 2-M Lower Features

Designed for both left- and right-handed shooters, the fully ambidextrous controls provide seamless operation in any scenario. The Mil-Spec Enhanced trigger features a PTFE coating for a smoother, cleaner pull and is adjustable between 5.5 and 6.5 lbs, offering a custom feel to fit your preferences. An Enhanced H2 buffer and Enhanced buffer tube with ratchet lock and integrated QD sling mount deliver stability and reduced recoil during firing.

Outfitted with Magpul MOE SL stock and MOE K2 grip, this lower ensures ergonomic handling and comfort right out of the box. The lower also includes high-quality hardware and thoughtful design details for maximum compatibility and long-term performance. Whether you're building a new rifle or upgrading an existing setup, the Mod 2-M lower provides a ready-to-run solution trusted by serious shooters.

PWS MK1 Mod 2-M Complete Lower Specifications

  • Manufacturer: Primary Weapons Systems (PWS)
  • Model: MK1 Mod 2-M Complete Lower
  • Caliber: 5.56 NATO
  • Material: Forged 7075-T651 Aluminum
  • Finish: Mil-Spec Type III Class 2 Hard Coat Anodize
  • Weight: 2.3 lbs
  • Trigger: Mil-Spec Enhanced w/ PTFE Coating
  • Trigger Pull: Adjustable 5.5 – 6.5 lbs
  • Buffer Tube: PWS Enhanced w/ Ratchet Lock and QD Mount
  • Buffer: PWS Enhanced H2 Steel Body Buffer
  • Stock: Magpul MOE SL
  • Grip: Magpul MOE K2
  • Ambidextrous: Yes
  • Category: Lower Receivers
More Information
Barrel Length N/A
Caliber 5.56
Capacity N/A
Condition New in Box
Finish Per Color Black
Manufacturer Primary Weapons Systems
Manufacturer Part Number 222M100RM1B
Model MK1 Mod 2-M
Type Lowers
UPC 811154031198

WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to WWW.P65WARNINGS.CA.GOV

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