Primary Weapons Systems MK111 MOD 1-M 7.62×39 AR-15 Upper Receiver – Enhanced Reliability & Performance

Primary Weapons Systems MK111 MOD 1-M 7.62×39 AR-15 Upper Receiver

Elevate your shooting experience with the Primary Weapons Systems MK111 MOD 1-M upper receiver chambered in 7.62×39. Designed for AR-15 platforms, this upper combines advanced engineering with rugged durability to deliver unmatched performance in tactical, hunting, and competitive scenarios. Its piston-driven operation ensures cleaner, cooler, and more reliable function compared to traditional direct impingement systems, making it a top choice for shooters who demand excellence.

Why Choose the PWS MK111 MOD 1-M Upper?

• Piston-Driven System: Reduces fouling and heat transfer to the bolt carrier group, enhancing longevity and reliability in harsh conditions.
• 7.62×39 Caliber: Offers superior stopping power and ammunition affordability, ideal for medium-range engagements and hunting.
• 11.85-Inch Barrel: Provides a compact, maneuverable design without sacrificing accuracy, perfect for close-quarters and versatile use.
• Enhanced Recoil Management: Features a proprietary buffer system that minimizes felt recoil, allowing for faster follow-up shots and improved control.
• Durable Construction: Made from high-quality materials with a nitride-treated barrel for corrosion resistance and extended service life.

Key Features and Benefits

The MK111 MOD 1-M is engineered with precision to meet the needs of serious shooters. Its modular design allows for easy customization, while the included M-LOK handguard offers ample space for accessories like lights, grips, and optics. The upper is compatible with standard AR-15 lower receivers, ensuring seamless integration into your existing setup. Whether you’re building a new rifle or upgrading an old one, this upper delivers consistent accuracy and reliability, backed by PWS’s reputation for innovation.

Specifications at a Glance

This upper receiver boasts a 11.85-inch barrel with a 1:10 twist rate, optimized for stabilizing 7.62×39 rounds. It includes a full-length Picatinny rail for optics mounting and a flash hider to reduce muzzle flash. The weight is approximately 4.5 lbs, balancing portability with stability. Designed for both left and right-handed shooters, it features ambidextrous controls for enhanced usability in dynamic situations.

Ideal Applications

Perfect for home defense, tactical operations, hunting medium-sized game, and competitive shooting sports. Its robust build and reliable performance make it a trusted choice for law enforcement, military personnel, and civilian enthusiasts alike.

Why Buy from Texas Gun Store?

At Texas Gun Store, we are committed to providing top-tier firearms and accessories with exceptional customer service. Our team of experts ensures you get the right gear for your needs, backed by fast shipping and a satisfaction guarantee. Shop with confidence knowing we prioritize your safety and shooting success.