Primary Weapons Systems MK1 Mod 2-M Complete AR-15 Lower Receiver - SBA5 Brace

The PWS MK1 Mod 2-M Complete Lower Receiver combines rugged reliability with premium features, making it a standout foundation for your next AR-15 build. Made from forged 7075-T651 aluminum and finished with a durable Mil-Spec Type III Class 2 hard coat anodize, this lower is built for hard use in any environment.

Designed with ambidextrous controls and a flared mag well, the Mod 2-M ensures quick handling and easy manipulation for both right- and left-handed shooters. It comes equipped with an enhanced mil-spec trigger featuring a PTFE coating for a smoother pull, adjustable between 5.5 to 6.5 lbs.

Features:

• Forged 7075-T651 aluminum construction
• Mil-Spec Type III Class 2 hard coat anodized finish
• Ambidextrous controls for left- and right-handed use
• Flared mag well and built-in trigger guard
• Mil-Spec enhanced trigger with PTFE coating
• Adjustable trigger pull: 5.5–6.5 lbs
• PWS Enhanced Buffer Tube with ratchet lock and QD mount
• PWS H2 steel buffer for smoother recoil
• SBA5 5-position adjustable brace
• Magpul MOE K2 pistol grip for improved ergonomics

Additional upgrades include the PWS Enhanced Buffer Tube with ratchet lock castle nut and QD sling mount, as well as a PWS H2 steel buffer for reliable cycling and reduced recoil. Outfitted with a 5-position SBA5 brace and a Magpul MOE K2 pistol grip, this lower provides excellent ergonomics, stability, and control. Weighing just 2.3 lbs, it's a lightweight, high-performance option ready for your next build.