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RCM HK45C THREADED BARREL 16x1MM

RCM made HK45C Tactical threaded barrel for use with a wide variety of flash hiders & sound suppressors. This is a special offering as a factory HK45C Tactical barrel is threaded metric 16 X 1mm left hand thread.

Custom crown protecting thread protector included & installed
HK factory O-ring included & installed
This barrel is a true drop in direct replacement for all HK45C pistols
Includes the o-ring and thread protector to protect your valuable HK45C pistol

Each HK45C & HK45C Tactical barrel features:

Made entirely of fully heat treated 4140R steel
Double Stress relieved
Nitrided Finish to entire surface of barrel inside and out
1:16 twis
Threaded 16 x 1mm Left Hand
Austempered & finished inside & out in an ultra durable nitride hardening process
Each barrel is chambered in .45 ACP with a polished feed ramp
Each barrel comes complete with thread protector & o-ring

Please note: This barrel is NOT the same barrel for the USP45 Compact this barrel will fit HK’s new HK45C & HK45C Tactical pistols only.

RCM HK USP .45 THREADED BARREL 16X1MM

RCM USP Threaded Barrel for use with a wide variety of flash hiders & sound suppressors. This is a special offering as a factory USP .45 Tactical barrel is threaded metric 16 X 1 left hand (not as common) as the US threaded offerings. This offering is for an HK USP & USP .45 Tactical barrel with Metric 16x1mm left hand threads.

RCM USP & USP .45 Tactical threaded barrel
Custom crown protecting thread protector included & installed
O-ring included & installed
This barrel is a true drop in direct replacement for all USP .45 pistols
Includes the o-ring and thread protector to protect your valuable USP .45 pistol

Each RCM USP & USP .45 Tactical barrel features:

100% US Made entirely of fully heat treated 4140R steel
Double Stress relieved
Nitrided Finish to entire surface of barrel inside and out
1:16 twist
5.09″ Overall length & 5.14″ with thread protector installed
Threaded 16 x 1mm Left Hand
Austempered & finished inside & out in an ultra durable nitride hardening process
Each barrel is chambered in .45 ACP with a polished feed ramp
Each barrel comes complete with thread protector & o-ring

Please note: This barrel is NOT the same barrel for the HK45 & HK45 Tactical this barrel will only fit the older full size USP & USP Tactical .45 barrels NOT the newer style HK45 or HK45C Tactical firearms.

RCM USPC .45 THREADED BARREL 16x1mm

RCM USP .45 Compact. This offering is for an HK USPC & USPC .45 Tactical barrel with Metric 16 x 1mm left hand threads.

RCM USPC & USPC .45 Tactical threaded barrel
Custom thread protector included & installed
O-ring included & installed
This barrel is a true drop in direct replacement for all USPC .45 pistols
Includes the o-ring and thread protector to protect your valuable USPC .45 pistol

Each USPC .45 Tactical barrel features:

Made entirely of fully heat treated 4140R steel
Double Stress relieved
Nitrided Finish to entire surface of barrel inside and out
1:16 twist
4.47″ Overall length
Threaded 16 X 1mm Left Hand
Austempered & finished inside & out in an ultra durable nitride hardening process
Each barrel is chambered in .45 ACP with a polished feed ramp
Each barrel comes complete with thread protector & o-ring

Please note: This barrel is NOT the same barrel for the HK45 Compact this barrel will only fit the older USPC & USPC Tactical .45 barrels NOT the newer style HK45 or HK45C Tactical.

RCM HK STYLE LOCKING PIECE #18/50 DEG, G3K

The #18 LP is the correct locking piece for the G3K build. The locking piece is the timing mechanism that a delayed roller lock firearm uses to tell the firearm when to unlock and cycle. Having the right degree or “timing” is critical in the function and cycling of the HK roller lock firearm such as the G3K.