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RCM HK45C THREADED BARREL .578-28

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 1 left hand (not as common) as the US threaded offerings. This offering is for an HK45 & HK45 Tactical barrel with US .578-28 right hand threads. A much more common thread pattern when looking for suppressor and flash hider offerings. A great combo package at a great price!

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 .578 X 28 – Right 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 HK45 THREADED BARREL 16X1MM LH

RCM HK45 tactical threaded barrel for use with a wide variety of flash hiders & sound suppressors. To make this offering an even greater value based package. Each HK45 tactical barrel will ship with the following:

HK45 Tactical threaded barrel
Thread Protector included & installed
O-ring included & installed.
This barrel is a true drop in direct replacement for all HK45 Full size pistols.
Includes the o-ring and thread protector to protect your valuable HK45 pistol

Each HK45 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, button rifled
Threaded 16 X 1 left hand thread
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 German HK thread protector & factory green o-ring

Please note: This barrel is NOT the same barrel for the USP45 this barrel will fit the HK’s new HK45 pistol only.

RCM HK45 THREADED BARREL .578-28

US made HK45 & HK45 Tactical threaded barrel for use with a wide variety of flash hiders & sound suppressors. This is a special offering as a factory HK45 Tactical barrel is threaded metric 16 X 1 left hand (not as common) as the US threaded offerings. This offering is for an HK45 & HK45 Tactical barrel with US .578-28 threads. A much more common thread pattern when looking for suppressor and flash hider offerings. A great combo package at a great price!

HK45 Tactical threaded barrel made from 4140R
Custom crown protecting thread protector included & installed
HK factory O-ring included & installed
This barrel is a true drop in direct replacement for all HK45 Full size pistols
Includes the o-ring and thread protector to protect your valuable HK45 pistol

Each HK45 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
5.15″ Overall length & 5.20″ with thread protector installed
Threaded .578 X 28 – Right 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 this barrel will fit HK’s new HK45 & HK45 Tactical pistols only.

RCM HK STYLE G3/91 BARREL, CHF

Machined by RCM from a Mil-Spec 41V50 Hammer Forged Blank. These blanks are considered to be one of the finest made. 1:10 twist, Nitride finish. Perfect for that HK build or to replace that shot out barrel. Each barrel counts as 1 US compliant part as an added bonus.

Machined from a CHF Blank
922r Compliant 1 US part
Built to HK German Specifications
Nitride Finish (same finish Glock & Sig use on their barrels)
Overall Length – 17.7 inches
Chambered – 7.62 x 51 NATO
Factory Correct 1 in 10 barrel twist
12 flutes in chamber to HK specifications
Knurled Sight Ring
Threaded 15 X 1 Right Hand To accept all factory flash hiders/compensators.

RCM HK STYLE VP40 BARREL, 14.5 X 1MM THREAD

HK VP40 .40 Caliber – 14.5 X 1 – Metric Left Hand Threaded Barrel

Each barrel is finely and painstakingly made from ordnance grade steel, heat treated & finished inside & out in the ultra- desirable “nitride” finish. This is the finest threaded replacement barrel available for the HKVP40 .40 cal pistol. The perfect barrel for use as a spare or for adding threaded items such as sound suppressors. Each VP40 Tactical barrel is a drop in replacement for your HK VP40 .40 cal pistol. *** Thread Protector Included.***

Fits all VP40 .40 caliber models:

Traditional button rifled bore for use with jacketed & non-jacketed ammunition
Tactical threaded barrel threaded 14.5 X 1 left hand
Each barrel includes the thread protector
1:10 right hand twist
4140 stress relieved & properly heat treated steel
Micro polished feed ramp
Machined to exact tolerances for proper fitment
Overall length 4.45″
Finished inside and out in the “Nitride” process for enhanced service life
100% made in the U.S.A
ATTENTION RCM INC. EXTENDED LENGTH THREADED BARREL USERS
It has come to the attention of RCM INC. that some consumers of our threaded barrels for the HK line of pistols as well as the other pistol barrels we make are having difficulty with the functioning once they attach a silencer!

The barrels we make are longer and have threads on them to facilitate the attachment of different muzzle devices. Depending on the weight of the attachments reliability can be a major factor! Different manufactures design slipper devices to allow the heavy can to stay stationary when the barrel begins to move once fired. This aids in reliability and sometimes recoil springs need to be change to different rates to insure reliability!

Many factors come into play is regards to this specific functioning. If you receive an RCM INC. barrel and it functions the same as your stock barrel, with the same springs and ammunition and then it fails to function with a silencer attached-THEN THE PROBLEM IS IN THE SILENCER DESIGN!

So if this is a problem you are having with regards to reliability and it functions fine without a muzzle device-PLEASE CONTACT THE MANUFACTURER OF YOUR SILENCER OR MUZZLE DEVICE TO GET HELP TUNING YOUR SETUP WITH REEGARDS TO AMMO, SPRINGS, ETC!

Thanks for purchasing the finest aftermarket barrels available from RCM INC.

WE APPRECIATE YOUR BUSINESS

RCM HK STYLE VP40 BARREL, 9/16-24 TPI

HK VP40 .40 Cal – 9/16 X 24 Threaded Barrel

Each barrel is finely & painstakingly made from ordnance grade steel, heat treated & finished inside & out in the ultra- desirable “nitride” finish. This is the finest threaded barrel available for the HK VP40 .40 pistol. The perfect barrel for use as a spare or for adding muzzle devices such as sound suppressors. Each HK VP 40 Tactical barrel is a drop in replacement for your HK VP40 .40 cal S&W pistol. *** Thread Protector Included.***

Fits all VP40 .40 models:

Traditional button rifled bore for use with jacketed and non-jacketed ammunition
Tactical threaded barrel threaded 9/16 X 24
Each barrel includes the thread protector
1:10 right hand twist
4140 stress relieved & properly heat treated steel
Micro polished feed ramp
Machined to exact tolerances for proper fitment
Overall length 4.45″

ATTENTION RCM INC. EXTENDED LENGTH THREADED BARREL USERS

It has come to the attention of RCM INC. that some consumers of our threaded barrels for the HK line of pistols as well as the other pistol barrels we make are having difficulty with the functioning once they attach a silencer!

The barrels we make are longer and have threads on them to facilitate the attachment of different muzzle devices. Depending on the weight of the attachments reliability can be a major factor! Different manufactures design slipper devices to allow the heavy can to stay stationary when the barrel begins to move once fired. This aids in reliability and sometimes recoil springs need to be change to different rates to insure reliability!

Many factors come into play is regards to this specific functioning. If you receive an RCM INC. barrel and it functions the same as your stock barrel, with the same springs and ammunition and then it fails to function with a silencer attached-THEN THE PROBLEM IS IN THE SILENCER DESIGN!

So if this is a problem you are having with regards to reliability and it functions fine without a muzzle device-PLEASE CONTACT THE MANUFACTURER OF YOUR SILENCER OR MUZZLE DEVICE TO GET HELP TUNING YOUR SETUP WITH REEGARDS TO AMMO, SPRINGS, ETC!

Thanks for purchasing the finest aftermarket barrels available from RCM INC.

WE APPRECIATE YOUR BUSINESS

Finished inside and out in the “Nitride” process for enhanced service life
100% made in the U.S.A.

RCM HK STYLE VP40 .357 SIG CONVERSION BARREL

HK VP40 To .357 SIG Conversion Barrel

Each barrel is finely & painstakingly made from ordnance grade steel, heat treated & finished inside & out in the ultra- desirable “nitride” finish. This is the finest barrel available for the HK VP40.

This barrel offering is a .357 SIG conversion barrel that is a drop in barrel that will convert the VP40 to shoot the popular .357 SIG cartridge. This barrel offering is a flush fitted barrel the same length as the stock VP40 barrel only in the wildly popular 357 Sig cartridge.

Fits all VP40 Slides:

Traditional button rifled bore for use with jacketed and non-jacketed ammunition
1:16 right hand twist
HK VP40 standard length barrel
4140 stress relieved, tempered & properly heat treated steel
Micro polished feed ramp
Machined to exact tolerances for proper fitment
Finished inside and out in the “Nitride” process for enhanced service life
100% made in the U.S.A.
True drop in barrel no recoil spring or mag change needed

RCM MP5 SD STYLE F/A BOLT GROUP

Each bolt group incorporates RCM’s F Style Carrier, Bolt Head, Extractor and 120 degree Locking Piece, We teamed up with other manufactures for the supporting parts that are made to the highest degree of quality. This Group is 100% US made and the finest out there. Complete and ready to drop in and use. Ideal for that new SD build.

Each 9mm HK MP5 SD Bolt group includes:

RCM Bolt Head- True F Style, Complete with RCM Extractor,Spring and Roller Set
RCM Locking Piece- 120 degree
Firing Pin- US to exact HK specs
Firing Pin Spring- US to HK specs
RCM Bolt Carrier- latest F style
Recoil Assembly- US made & micro polished for enhanced reliability
Simply the finest American Made Bolt Group Available for a fair and honest price. ANYWHERE!