We’ve partnered with Midwest Industries to offer our customers two fantastic, ready-to-run AR-15 upper receiver options! Available with either a 16-inch or an 11.5-inch barrel, the MI/JK upper comes with a JK HD War Eagle muzzle device pre-installed on the 1/2×28 muzzle threads.
Suppressor-ready out of the box, the MI/JK upper features an MI Enhanced Bolt Carrier Group, a Radian Weapons SD Charging Handle, and a reliable DI gas system. Chambered in 223 Wylde with a chrome lined Criterion Core Barrel in 1:8 twist, the MI/JK upper will accurately run both 223 Remington and 5.56 NATO ammunition.
Grab your G.O.A.T., SBRX, or other JK 155 series suppressor with QA mount and rock and roll with the new MK/JK Armament suppressor-ready upper receiver!
- Suppressor ready complete upper in collaboration with JK Armament
- Includes JK Armament HD War Eagle Comp/Flash Hider
- JK Quick Attach Taper Mount compatible
- Includes MI Enhanced Bolt Carrier Group
- Radian Weapons SD Charging Handle
- Forged 7075 T6 Aluminum Upper
- Hard Coat Anodizing
- T-Markings on Receiver
- 16 or 11.5 inch Chrome Lined, Phosphate, 4150 CrMoV
- Threaded 1/2×28
- Chambered in .223 Wylde
- Criterion Core Barrel, 1/8 Barrel
- M4 feedramps
- Mid-Length Direct Impingement Gas System
- MI-NF13.5 or MI-NF10.5 Night Fighter Series M-LOK Handguard
- Weight 3lb 4oz. 11.5″
- Weight 3lb 8oz. 16″
- Magpul® and M-LOK™ are trademarks of Magpul Industries Corp
JK WAR EAGLE COMP / FLASH HIDER
A true triple-use muzzle device, the JK HD War Eagle is a compensator, a flash hider, and a QA mount for our suppressors and other ASR-compatible suppressors! Thanks to its symmetrical design there’s no need to time the War Eagle, making installation fast and easy.
SHOP JK 155 G.O.A.T HF™ 5.56MM
THIS is the time to buy a new suppressor! eForm 4 wait times are faster than ever before, with average approval time coming in at around 4 days. Four days! We’ve had many customers receive approvals within 24 hours. It’s a whole new world!
Go out and pick up a JK suppressor today!
JK Armament
8590 Old Highway #30
Hammett, ID 83627
FOG HORN 