JMac Customs RRD-4C KeyMount Muzzle Device w/ 1/2-28 Threads - RRD-4C-28F-KM

JMac Customs RRD-4C KeyMount Muzzle Device w/ 1/2-28 Threads - RRD-4C-28F-KM - Muzzle Device for AR-15 - view 1
JMac Customs RRD-4C KeyMount Muzzle Device w/ 1/2-28 Threads - RRD-4C-28F-KM - Muzzle Device for AR-15 - view 2
JMac Customs RRD-4C KeyMount Muzzle Device w/ 1/2-28 Threads - RRD-4C-28F-KM - Muzzle Device for AR-15 - view 3
JMac Customs RRD-4C KeyMount Muzzle Device w/ 1/2-28 Threads - RRD-4C-28F-KM - Muzzle Device for AR-15 - view 4
JMac Customs RRD-4C KeyMount Muzzle Device w/ 1/2-28 Threads - RRD-4C-28F-KM - Muzzle Device for AR-15 - view 5
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Jmac Customs

Overview

The JMac Customs RRD-4C KeyMount muzzle device is designed specifically for 9mm calibers and features a 1/2x28 thread pitch, allowing for easy attachment to compatible barrels. This muzzle device effectively reduces recoil and muzzle rise, enhancing overall control during rapid firing. It's commonly used in builds that employ a carbine gas system and are chambered for 5.56 NATO, making it a versatile choice for those looking to optimize their performance.

Specifications

MPNRRD-4C-28F-KM
Caliber9mm
Thread Pitch1/2x28

Available Merchants(2)

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Palmetto State Armory logo
Palmetto State Armory
Free shipping over $99
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$120
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Optics Planet
Free shipping over $49
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Out of Stock
$121

Frequently Built With

Based on build data

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

87.3%
AR-1587.3%
AR-1010.3%
AR-92.4%

Caliber

66.6%
5.56 NATO66.6%
.223 Wylde15.3%
300 Blackout5.3%
.308 Win4.1%
9mm1.5%
Other7.2%

Gas System

47.6%
Mid-Length47.6%
Carbine28.5%
Rifle13.5%
Pistol8.1%
Blowback1.5%
Other0.8%
Frequently Built With Products
ProductCategoryTimes Built Together
Wilson Combat Ar-15 Lo-Profile Gas Block .750" BlackGas Block113
Wmd Guns Ar-15 Gas Tube Nitromet Mid-LengthGas Tube100
Spikes Tactical Made in USA Ejection Port Door for AR-15 Style Rifle - SED7002Dust Cover83
Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod CCharging Handle80
Radian Forward Assist - 7075 Aluminum - BlackForward Assist79
Magpul AFG-2 Angled Fore Grip - BlackForegrip73
Build Platform Breakdown
PlatformPercentage
AR-1587.3%
AR-1010.3%
AR-92.4%
Build Caliber Breakdown
CaliberPercentage
5.56 NATO66.6%
.223 Wylde15.3%
300 Blackout5.3%
.308 Win4.1%
9mm1.5%
6mm ARC1.5%
.450 Bushmaster1%
6.5 Grendel0.9%
7.62x39mm0.7%
.458 SOCOM0.7%
.223 Remington0.7%
.350 Legend0.5%
.50 Beowulf0.3%
7.62x51 NATO0.3%
.204 Ruger0.2%
6.5 Creedmoor0.2%
6.8 SPC II0.2%
Build Gas System Breakdown
Gas SystemPercentage
Mid-Length47.6%
Carbine28.5%
Rifle13.5%
Pistol8.1%
Blowback1.5%
Proprietary0.4%
Intermediate0.4%

Builds Featuring This Part

See all 1

Builds in the community that include the JMac Customs RRD-4C KeyMount Muzzle Device w/ 1/2-28 Threads - RRD-4C-28F-KM

BuildPartsTotal
as a backup 11.5"
13$1112.44

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