Buy MK114 MOD 2-M Upper .223 Wylde

Buy PWS MK114 MOD 2-M Upper .223 Wylde – Premium Piston Driven Complete Upper Receiver

Looking to upgrade your AR-15 build with top-tier performance? The PWS MK114 MOD 2-M Upper .223 Wylde from Primary Weapons Systems is a standout choice for shooters who demand reliability, accuracy, and minimal maintenance.

This complete upper receiver features Primary Weapons Systems’ renowned long-stroke piston operating system with a 3-setting adjustable gas block. Unlike traditional direct impingement systems, the PWS piston design dramatically reduces carbon fouling in the receiver, keeps your rifle cleaner longer, and minimizes gas blowback—making it ideal for suppressed use or high-volume training.

Key Features & Specifications

• Caliber: .223 Wylde (optimized for both .223 Remington and 5.56 NATO ammunition)
• Barrel: 14.5″ 41V50 CMV steel barrel with 1:8 twist rate and FN HD Life treatment for exceptional durability and accuracy
• Gas System: Mid-length with 3-position adjustable gas block for fine-tuning with different loads or suppressors
• Handguard: Innovative PWS PicLok™ 13.5″+ free-float handguard (combines Picatinny and M-LOK slots for maximum accessory mounting flexibility)
• Upper Receiver: Lightweight forged 7075-T6 aluminum with no forward assist (MOD 2-M design) for reduced weight
• Weight: Approximately 4.3 – 4.5 lbs (depending on configuration)
• Accuracy: Sub-MOA guarantee with quality match-grade ammunition
• Muzzle: Threaded 1/2×28 (no compensator on select models; some versions include PWS FSC 556 flash suppressing compensator)
• Charging Handle: Often paired with premium options like the Radian Raptor ambidextrous charging handle

The MK114 MOD 2-M .223 Wylde upper delivers smooth, soft-shooting performance with less recoil than many DI systems. Its lightweight design enhances maneuverability without sacrificing strength, making it excellent for home defense, competition, or duty-style builds.

Why Choose the PWS MK114 MOD 2-M Upper?

Shooters praise the MK114 MOD 2-M for its reliability in adverse conditions, cleaner operation, and consistent sub-MOA groups. The .223 Wylde chamber provides superior accuracy and feeding reliability across a wide range of ammo types. Whether you’re pairing it with a mil-spec lower or a premium build, this piston upper stands out as one of the best AR-15 uppers available today.

Benefits at a glance:

• Reduced fouling and easier cleaning
• Suppressor-ready with adjustable gas settings
• Lightweight yet robust construction
• Versatile PicLok handguard for optics, lights, grips, and more
• Exceptional accuracy and soft recoil impulse

Who Is This Upper Perfect For?

• AR-15 enthusiasts upgrading to a premium piston system
• Suppressor owners seeking minimal gas to the face
• Precision shooters wanting .223 Wylde performance
• Builders looking for a reliable, low-maintenance complete upper

Ready to elevate your build? Add the PWS MK114 MOD 2-M Upper .223 Wylde to your cart today. We offer competitive pricing, fast shipping, and expert customer support for all your firearm needs.