Buy MK109 MOD 1-M Upper 300BLK – Kodiak Brown

$1,209.00

The MK109 MOD 1-M Pistol is equipped with the renowned PWS PWS long-stroke piston system, maintaining the reliability that PWS owners have come to trust. This line features a free-float MLOK handguard, forward assist controls, and a design closer to mil-spec standards, catering to civilians and Law Enforcement alike. With fully forged upper and lower receivers, the MK1 MOD 1-M offers a straightforward solution for those seeking a high-value option that delivers unwavering performance in any situation.

What PWS aficionados refer to as the “ideal rifle”, the MK109 MOD 1-M is perfect for shooters looking for a weapon with endless uses. Maintaining the shortest barrel length recommended for suppressed use, this compact rifle is one of the most popular from LE to heli-hunting.

Highlighted Features

Sub-MOA Accuracy Guarantee: Experience Sub-MOA accuracy with high-grade ammo, thanks to our Boise made precision barrels.
PWS Long Stroke Piston System: Renowned for reliability and reduced fouling, with adjustable gas settings for optimal performance.
Forward Assist Integration: Essential for reliable chambering of rounds, particularly in adverse conditions, ensuring seamless operation and increased reliability for shooters.
Suppressor Optimized: Provides enhanced suppressor performance by minimizing back pressure, reducing gas blowback, and optimizing gas flow for a cleaner and more comfortable shooting experience.
300 BLK Chambering: Meticulously designed for outstanding accuracy and reliability for both super and subsonic 300 BLK ammunition.
Lightweight Design: The MK109 uppers weighs just 3.5 lbs, ensuring superior maneuverability without compromising performance.
Barrel: 9″ 300 BLK barrel with a 1:6 twist rate, delivering exceptional accuracy and versatility when firing most 300BLK rounds on the market.
Fully Forged Receiver: Forged 7075-T651 Aluminum upper receiver for durability and strength designed to mil-spec standards, ensuring compatibility and familiarity for users.
Free-float MLOK handguard: Offering improved handling and accessory mounting options.
PWS FRC 2-Port Compensator: A suppressor compatible compensator that expertly mitigates recoil, muzzle rise and is compatible with the Rearden Atlas suppressor mounting system.
Radian Raptor™ Ambidextrous Charging Handle: Ensures smooth operation for both left and right-handed shooters.
The PWS VOW: Our warranty for all PWS products, guaranteeing repair or replacement for any defects or issues, ensuring your complete satisfaction.
Collectible Finish: The Kodiak Brown anodized finish of the receivers, handguard and buffer tube offers superb wear resistance while also being darker tone that both contrasts and compliments with FDE colored accessories.

Category: AR UPPER PARTS Tags: .300 Blackout Upper, .300 BLK Tactical Upper, AR Platform Accessories, AR Upper Receiver, High Performance AR Parts, Kodiak Brown Upper, Lightweight Tactical Upper, Modern Sporting Rifle Parts, Precision Upper Receiver, Premium Rifle Components, Primary Weapons System, Professional Firearm Components, PWS MK109 MOD 1-M, Tactical AR Upper, Tactical Rifle Upgrade

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Primary Weapons System MK109 MOD 1-M Upper .300 BLK Kodiak Brown for Sale

The Primary Weapons System MK109 MOD 1-M Upper .300 BLK Kodiak Brown is designed for shooters seeking exceptional tactical performance, compact versatility, and premium firearm engineering. Built with advanced manufacturing standards and rugged materials, this upper receiver delivers dependable operation and impressive accuracy in demanding shooting environments.

Chambered in .300 Blackout, the MK109 MOD 1-M Upper is optimized for superior close-range performance, smooth cycling, and enhanced ballistic capability. Its compact configuration makes it ideal for tactical applications, range shooting, and modern sporting rifle builds.

Finished in an eye-catching Kodiak Brown coating, this upper receiver combines tactical styling with durable protection against wear and harsh environmental conditions. The lightweight yet rugged construction enhances maneuverability while maintaining long-lasting reliability.

Whether upgrading your AR platform or building a custom tactical rifle, the Primary Weapons System MK109 MOD 1-M Upper .300 BLK Kodiak Brown provides the professional-grade performance trusted by firearm enthusiasts and tactical shooters.

Key Features

Precision-engineered AR upper receiver
Chambered in .300 Blackout
Durable Kodiak Brown finish
Lightweight tactical construction
Enhanced accuracy and recoil management
Reliable cycling and firearm performance
Premium machining and craftsmanship
Optimized for tactical rifle applications
Compatible with modern AR platform systems

Why Choose the Primary Weapons System MK109 MOD 1-M Upper?

The Primary Weapons System MK109 MOD 1-M Upper .300 BLK Kodiak Brown is engineered to deliver superior reliability, tactical versatility, and long-term durability. Its advanced design supports smooth shooting performance while maintaining excellent firearm control and operational consistency.

Perfect for:

Tactical rifle builds
Compact AR platform upgrades
Recreational and sport shooting
Professional firearm applications
Range training and firearm enthusiasts

Premium Tactical Upper Receiver Performance

The MK109 MOD 1-M Upper combines modern tactical innovation with premium firearm engineering to provide shooters with dependable performance and precision shooting capability. The .300 Blackout chambering offers versatility and powerful ballistic performance, making it a preferred option for tactical and recreational firearm users.

With rugged durability, tactical aesthetics, and reliable operation, the Primary Weapons System MK109 MOD 1-M Upper .300 BLK Kodiak Brown stands out as a high-performance AR platform component.