Product DescriptionThe Primary Weapons MK1 MOD 2-M Complete Lower Receiver is built for shooters who want a durable, modular, and ambidextrous foundation for an AR-15 platform build. Crafted from forged 7075-T6 aluminum and finished in black hard coat anodizing, this lower receiver is designed to deliver long-term strength, corrosion resistance, and dependable field performance. Its multi-caliber configuration and fully ambidextrous controls make it a versatile choice for a wide range of rifle setups and user preferences.This complete lower includes a Mil-Spec enhanced trigger with PTFE coating for smooth operation, along with a PWS Enhanced Buffer Tube system featuring a ratchet-lock castle nut and integrated QD mount. It is further equipped with a PWS Enhanced H2 steel buffer, Magpul MOE SL stock, and Magpul MOE K2 pistol grip for added comfort, control, and shooting stability. Whether you are upgrading an existing rifle or starting a new AR-15 build, the MK1 MOD 2-M offers premium materials, thoughtful engineering, and ready-to-run functionality.Product Highlights Forged 7075-T6 aluminum lower receiver offers lightweight strength and long-lasting durability Fully ambidextrous controls support intuitive operation for both left and right-handed shooters Black Mil-Spec Type III Class 2 hard coat anodized finish helps resist wear and corrosion Includes PTFE-coated Mil-Spec enhanced trigger with a 5.5 to 6.5 lb pull range Outfitted with PWS Enhanced Buffer Tube, H2 steel buffer, Magpul MOE SL stock, and MOE K2 grip Specs Brand: Primary Weapons Manufacturer Part Number: MK1-M2-LWR-CR UPC: 811154033147 Product Type: Complete lower receiver Model: MK1 MOD 2-M Platform Compatibility: AR-15 Caliber Marking: Multi-Cal Receiver Material: Forged 7075-T6 aluminum Finish: Black anodized, Mil-Spec Type III Class 2 hard coat anodized Lower Type: Ambidextrous Trigger: Mil-Spec enhanced, PTFE coated Trigger Pull Weight: 5.5 to 6.5 lbs Buffer Tube: PWS Enhanced Buffer Tube Buffer Tube Features: Ratchet-lock castle nut, integrated QD mount Buffer Type: PWS Enhanced H2 steel buffer Stock: Magpul MOE SL stock Grip: Magpul MOE K2 pistol grip Weight: 2.3 lbs Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.