The Primary Weapons Systems MK1 Mod 2-M is an AR-15 compatible multi-caliber stripped lower receiver built from T6 7075 forged aluminum and finished in hard coat black anodizing. It ships stripped with the proprietary left-side magazine release and bolt catch hardware pre-included to help you build a clean, reliable AR-15 configuration.

Key features

• AR-15 compatible, multi-caliber lower platform
• Hard coat black anodized finish per MIL-A-8625F Type III Class 2
• Includes PWS proprietary parts such as left-side magazine release and bolt catch components
• T6 7075 forged construction for strength and durability

Build your next AR-15-style rifle with a PWS MK1 Mod 2-M lower designed for solid fit and finish.