The MK111 Compound SBR combines the best of both worlds—featuring the robust Mod 1 upper with a full M-LOK™ handguard and forward assist, paired with the refined and ergonomic Mod 2 ambidextrous lower. This hybrid design offers the modularity and durability PWS rifles are known for while providing enhanced performance, adaptability, and shooter comfort. Engineered for versatility, the Compound rifle delivers precision, reliability, and a clean shooting experience optimized for suppressed and unsuppressed configurations.

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.
• 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.
• .223 Wylde Chambering: Meticulously designed for outstanding accuracy and reliability, accommodating both .223 Remington and 5.56mm NATO.
• Lightweight Design: The complete MK111 Compound weighs just 6.2 lbs unloaded, ensuring superior maneuverability without compromising performance.
• Barrel: 11.85″ .223 Wylde barrel with a 1:8 twist rate, delivering exceptional accuracy and versatility when firing both .223 Remington and 5.56mm NATO rounds.
• 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.
• Precision-Engineered Ambidextrous Lower Receiver: Crafted from 7075-T651 forged aluminum and hard coat anodized per Mil 8625 Type III Class 2 specifications. The Mod 2 lower features a flared mag well, integrated trigger guard, and full ambidextrous controls, ensuring durability and ease of use.
• Robust Mod 1 Upper Receiver with Forward Assist: The Mod 1 upper receiver is built from T6 7075 forged aluminum and anodized for superior durability. This upper includes a forward assist, offering additional functionality for those who demand enhanced reliability in diverse shooting conditions. Combined with the full-length M-LOK™ handguard, it provides a sleek profile while allowing maximum accessory customization.
• Full-Length M-LOK™ Handguard: The 11.05” M-LOK™ handguard offers robust accessory mounting options with a slim profile (1.7” width, 2.25” height) for superior ergonomics and control.
• Radian Raptor™ Ambidextrous Charging Handle: Ensures smooth operation for both left and right-handed shooters.
• Mil-Spec Enhanced Trigger: PTFE coated, 5.5 to 6.5 lbs pull weight for crisp and reliable trigger break.
• Enhanced Buffer System: 1.2” Diameter Enhanced Buffer Tube, ratchet lock, built-in QD mount, and Enhanced H2 Steel Body Buffer for effective recoil management.
• Magpul Furniture: Comes standard with the Magpul MOE SL stock and MOE K2 pistol grip for enhanced shooting comfort and control.