RCM HK STYLE 21 BARREL, 17.700 LONG
RCM HK21 Barrel
RCM HK21 Barrels are made from Mil-Spec 41V50 CHF blanks that are fully Salt Bath Nitrided for optimal wear and corrosion resistance. These barrels are the finest out there to complete your HK21/FMP or HK11 build. These are stripped so you will need to add your own hardware.
Compatible With:
HK21, 21E, and FMP HK21’s
HK11 & 11A1
Specifications:
Material: 41V50 CHF
Twist rate: 1:10
Length: 17.70″
Salt Bath Nitride inside/out
hk21
hk 21
H&K21
H&K 21
barrel