Primary Weapons Systems MK114 MOD 2-M Upper Receiver Assembly
Elevate your AR-15 platform with the Primary Weapons Systems MK114 MOD 2-M upper receiver assembly, engineered for superior performance and reliability. This premium upper features a .223 Wylde chamber, which is optimized to handle both .223 Remington and 5.56 NATO ammunition with improved accuracy and reduced pressure. Designed for shooters who demand precision and durability, the MK114 MOD 2-M is ideal for tactical operations, competitive shooting, and recreational use.
Key Features and Benefits
- .223 Wylde Chamber: This chamber design allows for safe firing of both .223 Remington and 5.56 NATO rounds, providing versatility and enhanced accuracy compared to standard chambers.
- Long-Stroke Piston System: Unlike direct impingement systems, the piston-driven operation reduces fouling and heat transfer to the bolt carrier group, ensuring cleaner and more reliable cycling in various conditions.
- 11.85-Inch Barrel: Crafted from 4150 chrome-moly vanadium steel with a 1:8 twist rate, this barrel offers excellent balance between maneuverability and ballistic performance, suitable for close-quarters and mid-range engagements.
- Enhanced Durability: The upper receiver is constructed from 7075-T6 aluminum with a hard-coat anodized finish, providing resistance to wear and corrosion for long-lasting use.
- Modular Rail System: Includes a full-length M-LOK handguard for easy attachment of accessories like optics, lights, and grips, allowing for customization to fit your shooting needs.
Technical Specifications
The MK114 MOD 2-M is built to meet the highest standards in the firearms industry. It features a mid-length gas system that optimizes recoil management and cycling reliability. The upper is compatible with most AR-15 lower receivers, making it a straightforward upgrade for existing builds. With its focus on precision engineering, this upper receiver assembly delivers consistent performance shot after shot.
Why Choose This Upper Receiver?
Whether you’re building a new rifle or upgrading an existing one, the PWS MK114 MOD 2-M offers a blend of innovation and proven design. The .223 Wylde chamber is a standout feature, as it minimizes bullet deformation and improves accuracy, making it a favorite among precision shooters. Additionally, the piston system reduces maintenance requirements, saving you time and effort in the long run. For those seeking a reliable and accurate upper receiver, this model is an excellent investment.
FAQ: Why Buy from Texas Gun Store?
- Expertise and Trust: At Texas Gun Store, we have years of experience in the firearms industry, ensuring you receive knowledgeable advice and high-quality products like the PWS MK114 MOD 2-M.
- Customer Support: We provide comprehensive support, from selection to after-sales service, to guarantee your satisfaction with every purchase.
- Secure Shopping: Our online platform is safe and user-friendly, with fast shipping and reliable delivery to your doorstep.
Upgrade your shooting experience with the Primary Weapons Systems MK114 MOD 2-M upper receiver assembly. Its advanced features and robust construction make it a top choice for enthusiasts and professionals alike. Order yours today from Texas Gun Store and take your AR-15 to the next level!
| Chamber | .223 Wylde |
| Barrel Length | 11.85 inches |
| Barrel Material | 4150 Chrome-Moly Vanadium Steel |
| Twist Rate | 1:8 |
| Gas System | Long-Stroke Piston, Mid-Length |
| Receiver Material | 7075-T6 Aluminum |
| Finish | Hard-Coat Anodized |
| Handguard | M-LOK Compatible |
| Weight | Approximately 3.5 lbs (without BCG or charging handle) |
| Compatibility | AR-15 Lower Receivers |





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