For shooters seeking maximum performance and reliability in suppressed setups, KAK Industry has introduced its suppressor-optimized complete uppers, designed specifically for high back pressure suppressors. These uppers feature 10.7” M-LOK handguards, and fast-twist barrels, ensuring exceptional control and accuracy when running full-power NATO loads.
Designed for Suppressed Performance
KAK Industry’s latest offering includes two configurations:
• 11.5” 5.56 Mid-Length Upper or 11.5” 5.56 Mid-Length Upper W/ Fast Twist Barrel
• 10.7” M-LOK Handguard Option
Both setups are purpose-built for suppressed use, with a twist rate optimized for stabilizing projectiles at high velocities. The mid-length gas system enhances reliability and recoil management, making these uppers a top choice for those prioritizing smoother operation and durability under suppression.
Premium Build and Components
• Chamber: 5.56 NATO
• Barrel Length: 11.5”
• Barrel Twist: 1:7 & 1:5
• Gas System: Mid-Length (.076 Gas Port)
• Threads: 1/2×28
• Barrel Finish: Nitride
• Gas Block: Low-profile .750 Phosphate Finish
• Handguard: 10.7” 6061-T6 M-LOK with Proprietary Clamping System
• Upper Receiver: Forged 7075-T6 Aluminum, Precision Machined to M16/M4 Spec
Upgraded Bolt Carrier Group (BCG) Options
KAK Industry offers a chrome-lined phosphate BCG as standard, with optional upgrades such as the K-SPEC suppressor-optimized down-vent BCG for improved gas control. The BCG is machined from aircraft-grade 8620 steel, featuring a 9310 steel bolt, one-piece billet extractor, and properly staked gas key for long-term reliability.
Built for Durability and Tested for Performance
Every KAK complete upper receiver is test-fired using commercially loaded ammunition to ensure flawless function and reliability before leaving the factory. With a total weight of 4 lb 2 oz (including BCG and charging handle), these uppers provide a balanced and rugged solution for suppressed shooting applications.
For more information and availability, visit KAK Industry’s website.