Description
Primary Weapons Systems MK1 MOD 2-M Complete Pistol Lower Receiver
Elevate your AR-15 pistol to the next level with the Primary Weapons Systems MK1 MOD 2-M Complete Pistol Lower Receiver. Engineered for durability, precision, and user comfort, this billet aluminum lower is designed to meet the demands of serious shooters, whether for home defense, competitive shooting, or recreational use. As experts in firearm components, we at Americans Gun Shop recommend this lower for its robust construction and seamless compatibility with standard AR-15 upper receivers.
Why Choose the PWS MK1 MOD 2-M Lower?
This complete pistol lower stands out with its attention to detail and performance-enhancing features. The machined billet aluminum ensures a lightweight yet sturdy frame, reducing overall weight without compromising strength. Its ergonomic design includes an optimized grip angle and textured surfaces for improved control, making it ideal for rapid fire and extended shooting sessions. The integrated trigger guard and flared magazine well facilitate quick reloads, essential in high-pressure scenarios.

Key Features and Benefits
- Complete and Ready to Use: Comes assembled with a trigger, pistol grip, and buffer tube, saving you time and effort in your build.
- Enhanced Ergonomics: Designed for a natural grip and reduced fatigue, improving accuracy and comfort during use.
- Durable Construction: Made from high-quality 7075-T6 aluminum, offering excellent resistance to wear and impact.
- Smooth Trigger Operation: Features a crisp, consistent trigger pull for better shot placement and control.
- Compatibility: Works seamlessly with most AR-15 upper receivers, making it a versatile choice for custom builds.

Technical Specifications
Built to exacting standards, this lower receiver incorporates precision machining and quality components. It includes a mil-spec buffer tube and a standard safety selector, ensuring reliability and ease of use. The finish is designed to resist corrosion and abrasion, maintaining its appearance and function over time. Whether you’re building a compact PDW or a tactical pistol, this lower provides a solid foundation for your firearm.
Ideal Applications
Perfect for AR-15 pistol builds intended for personal defense, range training, or competitive shooting. Its compact design and reliable performance make it a top choice for shooters seeking a high-quality lower receiver that doesn’t require additional modifications. Pair it with your preferred upper receiver and accessories to create a customized firearm that meets your specific needs.

Why Buy from Americans Gun Shop?
At Americans Gun Shop, we combine expertise with a commitment to customer satisfaction. Our team has extensive experience in firearms and components, ensuring you receive accurate information and reliable products. We source directly from reputable manufacturers like Primary Weapons Systems to guarantee authenticity and quality. With competitive pricing, fast shipping, and dedicated support, we make your purchasing experience seamless and trustworthy. Explore our selection of AR-15 parts and accessories to complete your build with confidence.
FAQ: Why Buy from Us?
- Expertise: Our staff are knowledgeable shooters who test and vet products for performance and reliability.
- Quality Assurance: We only stock items from trusted brands, ensuring you get durable and safe components.
- Customer Support: From selection to post-purchase, we’re here to assist with any questions or concerns.
- Fast Shipping: We process orders promptly to get your gear to you as quickly as possible.
- Secure Shopping: Your data and transactions are protected with industry-standard security measures.
| Material | 7075-T6 Billet Aluminum |
| Finish | Anodized Black |
| Compatibility | AR-15 Upper Receivers |
| Trigger Included | Yes |
| Pistol Grip Included | Yes |
| Buffer Tube Included | Yes |
| Weight | Approx. 1.5 lbs (assembled) |
| Intended Use | Pistol Builds, Tactical Applications |
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