JMAC Customs

JMAC HK MP5 .40/10 360-28FD Facemount Keymount (KeyMicro) - Threaded 1/2x28

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SKU:
HKP-21238
MPN:
RRD-360-28FD-KM
Condition:
New
  • JMAC HK MP5 .40/10 360-28FD Facemount Keymount (KeyMicro) - Threaded 1/2x28
  • JMAC HK MP5 .40/10 360-28FD Facemount Keymount (KeyMicro) - Threaded 1/2x28
  • JMAC HK MP5 .40/10 360-28FD Facemount Keymount (KeyMicro) - Threaded 1/2x28
  • JMAC HK MP5 .40/10 360-28FD Facemount Keymount (KeyMicro) - Threaded 1/2x28
  • JMAC HK MP5 .40/10 360-28FD Facemount Keymount (KeyMicro) - Threaded 1/2x28
  • JMAC HK MP5 .40/10 360-28FD Facemount Keymount (KeyMicro) - Threaded 1/2x28
$99.50

Description

JMAC HK MP5 .40/10 360-28FD Facemount Keymount (KeyMicro) - Threaded 1/2x28

The JMAC Customs RRD-360 Muzzle Device offers advanced 360-degree gas venting, reducing recoil and improving control. Its innovative design eliminates the need for timing, allowing easy installation without shims or a crush washer. The 360-28F variant, tailored for KeyMount systems, sleeves over the factory barrel by .98", partially covering the tri-lugs and enabling closer suppressor installation for better balance.

Compatible with KeyMount suppressors and Blast Diversion Shields (BDS) with the correct adapter, the 360-28FD works on barrels threaded 1/2x28 that extend at least 1" beyond the handguard, gas block, or front sight.

Specifications:

  • Threaded 1/2x28
  • Length 2.050" (Adds ~0.85" to Overall Length)
  • Barrel Sleeve Length: 0.98"
  • Bore Diameter: 10mm
  • 17-4ph Stainless Steel
  • Black Nitride Finish
  • Facemount Design

Compatibility:

  • HK MP5/SP5 .40/10
  • AR-15, SCAR-16, ACR, FS2000, AUG, Scorpion EVO3, Galil ACE, IWI Tavor

Note: Not recommended for barrels shorter than 10.5” when using rifle calibers. See Below.

*When testing these devices, it was found that high rates of fire such as full auto or “mag dumps” could cause damage to the device due to the excess heat, pressure, and gasses from unburnt powder on shorter barrels.

This device is designed to be tightened against the face of the barrel. You must use face shims (optional) or your barrel MUST be faced to properly time this muzzle device.  You can purchase 1/2x28 shims here.  If you're not familiar with Facemount devices, click HERE to learn more!

Keymount Suppressor Compatibility

***JMac Customs LLC and HK Parts are not responsible for the end users misuse of JMac products. We recommend this be professionally installed and checked to ensure alignment.***

JMac Customs and HK Parts recommends that all suppressor mounts be installed and checked for alignment by a certified professional. Serious damage could result to your suppressor/firearm and physical harm is possible if installed/used incorrectly. All suppressor mounts MUST be tight against the shoulder or face of the barrel, using shims or face-milling method. Contact us if you have any questions or need a recommendation for professional installation. JMac Customs LLC and HK Parts are not liable for injury, damage, or death related to the usage of this product.

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Additional Information

Firearm Model:
HK MP5
Firearm Model:
HK SP5
Caliber:
.40/10
Color:
Black
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