PWS MK1 MOD 2-M | Complete Lower Receiver | .223/5.56

Primary Weapons Systems (PWS) designed the MK1 MOD 2-M as a versatile, multi-caliber AR-15 lower built for reliability and user adaptability. The lower is forged from 7075-T651 aluminum and finished in a hard coat anodize to resist wear and corrosion. Ambidextrous controls, a Mil-Spec enhanced trigger, and Magpul furniture make the unit suitable for a wide range of shooters and configurations.

Product Specifications

• The product type is listed as Complete Lower Receiver.
• The subcategory is Lower Receivers.
• The stock type is Magpul.
• The model is MK1.
• The grip material is listed as Magpul.
• The finish is listed as Anodized.
• The color is Black.
• The specified caliber/gauge is .223 REM/5.56 NATO.
• The action is listed as Semi-Auto.
• The make/model is Primary Weapons System|MK1 Mod 2-M.
• The receiver material is 7075-T651 forged aluminum.
• The stated finish detail is Mil 8625 Type lll Class 2 hard coat anodize.
• The trigger is a Mil-Spec Enhanced Trigger with PTFE coating.
• The trigger pull weight is listed as adjustable from 5.5 to 6.5 pounds.
• The buffer tube is a PWS Enhanced Buffer Tube with ratchet lock castle nut and built-in QD mount.
• The buffer is a PWS Enhanced H2 Steel Body Buffer.
• The included furniture is Bravo Company USA® Buttstock and Pistol Grip.
• The cartridge description is Multi.
• The listed weight is 3.
• The UPC is 811154033147.

Designed to accept common AR-15 parts and accessories, the MK1 MOD 2-M provides a solid foundation for a range of builds from precision-oriented shooting platforms to general-range rifles. Its ambidextrous controls and Magpul ergonomics support intuitive operation and consistent handling across users. The combination of forged 7075-T651 aluminum construction and a hard coat anodize finish prioritizes longevity and wear resistance in regular use.