In StockSave 4%
Type
parts
Last Seen
May 20, 2026
JMac Customs RRD-4C KeyMount Muzzle Device w/ 1/2-28 Threads - RRD-4C-28F-KM
Sold byPalmetto State Armory•Posted May 18, 2026
$119.99
$124.95
You save $4.96 (4% off)
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Deal Summary
- Currently in stock.
- Category: parts
- SKU: 51655109039
- Brand: Jmac Customs
Price History
Deal Details
(R)ecoil (R)eduction (D)evice (4) ports (C)ompensator (1/2x28) thread pitch (F)ace - sits on the face of the barrel (KM) KeyMountThis is designed to be permanently attached to a 14.5 inch barrel and adapt to KeyMo compatilble suppressors! We recommend this muzzle device be professionally installed on our 14.5" barrel by one of our Kalashnismiths to ensure alignment.BARREL DIAMETER MUST BE <0.585"This WILL NOT work on a standard AKM, pistol, or SBR. Barrel must extend at least 1.32" from the g