HK USP Barrels
HKParts has all types of HK USP45 barrels, from micro comps to paddle holsters and everything in between. We carry the perfect replacement barrels for your HK USP45 and more. Reach out with any questions you may have. Shop HKParts today!
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H&K HK .45 ACP Pistols Barrel O-Ring - Green
H&K Heckler & Koch
$4.95A rare find as we have found a small lot of the original HK German green colored HK .45 O-rings. Get them while you can as they are no longer available in green. The green o-rings were first used when HK introduced the use of o-rings on the Mark 23...HKP-01984$4.95 -
HKP HK .45 Barrel O-Ring All Caliber Pistols - Red
HKP HK Parts
$4.95A rare find as we have found a small lot of HK red-colored HK .45 O-rings. All HK o-rings are still made of the same material as the newer black o rings only in the HK red color.A great spare and a much-needed part for your HK barrel. This part is a...HKP-19316$4.95 -
H&K HK USP Series/45 Series .45 ACP 16 x 1 Thread Protector
H&K Heckler & Koch
$24.95New HK German 45 Caliber Tactical Thread Protector The cap fits all HK 45 cal full-size & compact barrels threaded 16mm X 1mm left-hand thread. A must-have item to protect your threaded barrels, exposed threads, and your HK pistol investment. The use...HKP-00297$24.95 -
H&K HK USP/USP Tactical Threaded Barrel - Black
H&K Heckler & Koch
$310.99HK USP .45 Tactical Threaded Barrel - 16 X 1 Left-Hand Threaded HK USP 45 German factory threaded barrel for use with flash hiders or sound suppressors. This is a drop in barrel for any of the HK USP .45 pistols. No gunsmith is required as this is an...HKP-00319$310.99 -
HKP 13.5 X 1 3-Lug Adapter
HKP HK Parts
$49.95HKP 13.5 X 1 3-Lug Adapter The HK Parts 3-Lug Adapter is internally threaded in 13.5 X 1 left-hand. Our adapter allows the attachment of common 3-lug accessories such as flash hiders, compensators, suppressors, etc. This is the finest machined HK 3 lug...HKP-17410$49.95 -
RCM HK USPC .40 S&W to .357 SIG Caliber Conversion Barrel - Black
RCM
$239.95Each barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra-desirable nitride finish. This is the finest replacement barrel available for the HK USPC .40 pistol. The perfect barrel to use...HKP-17747$239.95 -
Thread Protector HK45, H45C, USP .45 & USPC .45 16 x 1 - Titanium
$24.95Solid Titanium .45 caliber tactical thread protector, cap fits all HK 45 cal full size & compact barrels threaded 16mm X 1mm left hand thread. A must have item to protect your threaded barrels, exposed threads & your HK pistol investment. Fits...HKP-17942$24.95 -
H&K HK USP .40 Tactical Full Size 14.5 X 1 LH Threaded Barrel
H&K Heckler & Koch
$299.95New HK factory German USP .40 Tactical Threaded Barrel Tactical Threaded Barrel 14.5 x 1 left-hand thread .40 S&W Caliber Drop in replacement for your full-size USP .40 or .40 tactical pistol Genuine Heckler & Koch Part Please note: This barrel...HKP-00328$299.95 -
Out Of Stock
RCM HK USP .45 ACP .578 X 28 Threaded Barrel - Black
RCM
$289.95HK USP .45 & HK USP .45 Tactical 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...HKP-17447$289.95 -
RCM HK USP .40 To .357 Sig Caliber Conversion Barrel - Black
RCM
$239.95HK USP .40 Full Size To .357 Sig Conversion Barrel.Each barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra-desirable nitride finish. This is the finest replacement barrel available...HKP-17746$239.95 -
RCM HK USPC .40 Tactical 14.5 X 1 Threaded Barrel - Black
RCM
$259.95HK USPC .40 Cal 14.5 X 1 Threaded Barrel- RCMEach USPC .40 S&W tactical barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra-desirable "nitride" finish. This is the finest threaded...HKP-16708$259.95 -
RCM HK USPC .45 ACP .578 X 28 Threaded Barrel - Black
RCM
$279.95HK USP .45 Compact & HK USP Compact .45 Tactical threaded barrel for use with a wide variety of flash hiders & sound suppressors. This offering is for an HK USPC & USPC .45 Tactical barrel with US .578-28 right hand threads. A much more...HKP-17448$279.95 -
Out Of Stock
RCM HK USP .45 Threaded Barrel - 16x1mm - Black
RCM
$279.95HK USP .45 & HK USP .45 Tactical 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...HKP-20130$279.95 -
RCM HK USPC 9mm 1/2 X 28 Tactical Threaded Barrel
RCM
$249.95HK USPC 9mm 1/2 X 28 Threaded Barrel- RCMEach USPC 9mm tactical barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra-desirable "nitride" finish. This is the finest threaded replacement...HKP-01705$249.95 -
H&K HK USP .45 ACP Full Size Standard Length Barrel - Black
H&K Heckler & Koch
$379.95HK German USP .45 Full Size Barrel 4.41" Overall lengthHK German factory USP .45 barrel fits all USP .45 slides. Can also be a replacement barrel for the USP Tactical if you do not want to have the threaded barrel installed. Easy drop in installation...HKP-01520$379.95 -
RCM HK USP 9mm Tactical 1/2 X 28 Threaded Barrel - Black
RCM
$249.95HK USP Threaded 1/2 X 28 9mm Barrel- RCMEach barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra-desirable nitride finish. This is the finest replacement barrel available for the HK...HKP-16705$249.95 -
H&K HK USP 9mm Standard Threaded Barrel w/ O-Ring - Black
H&K Heckler & Koch
$320.95New Heckler & Koch factory threaded barrel. This barrel is a drop in replacement barrel for USP 9mm SD models 9mm Pistols. Can be used on standard USP 9mm full size models without the o-ring installed (remove) 13.5mm X 1mm left hand threaded 4.86"...HKP-17809$320.95 -
RCM HK USPC .40 Tactical 9/16 X 24 Threaded Barrel - Black
RCM
$259.95HK USPC .40 9/16 X 24 Threaded Barrel- RCMEach USPC .40 S&W tactical barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra-desirable "nitride" finish. This is the finest threaded...HKP-16707$259.95 -
H&K HK USPC .45 Threaded Barrel - Black
H&K Heckler & Koch
$345.95HK German USP Compact .45 Tactical Threaded Barrel USP 45 Compact, USPC Tactical Threaded Barrel 16 X 1mm Left Hand Twist .45 Caliber Cold hammer-forged barrel Polygonal rifling 4.46" barrel overall length Has O-ring groove (order spare O-rings below as...HKP-00320$345.95 -
Out Of Stock
HKP HK USP Series/45 Series .45 ACP 16 x 1 Titanium Thread Protector
HKP HK Parts
$19.95New style .45 caliber tactical thread protector, cap fits all HK 45 cal full size & compact barrels threaded 16mm X 1mm left hand thread. A must have item to protect your threaded barrels, exposed threads & your HK pistol investment. Fits all HK...HKP-18004$19.95 -
RCM HK USP .40 Tactical 9/16 X 24 Threaded Barrel
RCM
$259.95HK USP .40 Full Size Threaded 9/16 X 24 Barrel - RCMEach barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra-desirable nitride finish. This is the finest replacement barrel available...HKP-17744$259.95 -
HKP HK USP 14.5 X 1mm .40 S&W Thread Protector - Titanium
HKP HK Parts
$24.95Titanium - USP, USPC & USP .40 Tactical Thread Protector - 14.5 X 1mm LHSolid Titanium .40 caliber tactical thread protector, cap fits all HK USP .40 full size & compact barrels threaded 14.5mm X 1mm left hand thread. A must have item to protect...HKP-17961$24.95 -
HKP HK 45/45C/USP/USPC .578 X 28 Thread Protector - Black
HKP HK Parts
$14.95HKP HK 45/45C/USP/USPC .578 X 28 Thread Protector - Black The new US-made .45 caliber tactical thread protector, the cap fits all HK spec .45 cal full size & compact barrels threaded .578 X 28 right-hand thread. A must-have item to protect your...HKP-17623$14.95 -
RCM HK USP Compact .45 Threaded Barrel - 16x1mm - Black
RCM
$289.95HK USP .45 Compact & HK USP Compact .45 Tactical threaded barrel for use with a wide variety of flash hiders & sound suppressors. This is a special offering as a factory USPC .45 Tactical barrel is threaded metric 16 X 1 left hand (not as common...HKP-20129$289.95 -
H&K USP 9mm Full Size Barrel - Black
H&K Heckler & Koch
$235.99HK Factory German HK Cold Hammer Forged Barrel. Fits all HK USP full size & USP 9mm tactical pistols. New Date coded and serialized barrel. USP 9mm USP 9mm TacitcalHKP-01527$235.99 -
RCM HK USPC 9mm 13.5 X 1mm LH Tactical Threaded Barrel - Black
RCM
$239.95HK USPC 9mm 13.5 X 1 Threaded Barrel- RCMEach USPC tactical barrel is finely and painstakingly made from ordnance grade steel, heat-treated, and finished inside and out in the ultra-desirable "nitride" finish. This is the finest threaded replacement...HKP-01706$239.95 -
RCM HK USP .40 Tactical 14.5 X 1 LH Threaded Barrel
RCM
$259.95HK USP .40 Full Size Threaded 14.5 X 1 Barrel - RCMEach barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra-desirable nitride finish. This is the finest replacement barrel available...HKP-17745$259.95 -
HKP 13.5 X 1 9mm Thread Protector
HKP HK Parts
$19.95Standard 13.5x1 LH Thread Barrel Thread Protector Compatible with any firearm with a 13.5x1 left handed thread barrel.HKP-20745$19.95 -
HKP HK USP Compact . 45 ACP Compensator
HKP HK Parts
$184.95HK USPC .45 Cal Compensator The HK Parts USPC .45 Compensator will add a sleek and tactical look to your USPC.45. With the quick and easy addition of our compensator you will add plenty of benefits. This compensator reduces recoil and...HKP-20975$184.95 -
RCM HK USP 9mm 13.5 X 1 Tactical Threaded Barrel - Black
RCM
$239.95HK USP Threaded 13.5 X 1 Left Hand 9mm Barrel- RCMEach barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra-desirable nitride finish. This is the finest replacement barrel available for...HKP-16706$239.95 -
H&K HK USP .45 ACP Expert Barrel - Black
H&K Heckler & Koch
$399.95The real deal factory HK German cold hammer forged USP .45 Expert barrel. This barrel will fit all HK USP .45 full size models. If you want a longer barrel for your HK USP 45 or USP 45 Tactical this is a great option for an extended length or for...HKP-01525$399.95 -
Out Of Stock
H&K HK USP Full Size .40 Barrel - Black
H&K Heckler & Koch
$0.00HK German USP Full Size .40 Caliber BarrelGreat idea to have a spare factory cold hammer forged, polygonal HK barrel on hand.Compatible With: USP .40 Full Size USP .40 TacticalHKP-01528$0.00 -
H&K USP .40 Expert 5.19" Barrel - Black
H&K Heckler & Koch
$299.95New HK German Factory USP Expert .40 BarrelThis barrel will fit a stock USP .40 full size pistol but will extend out the front of the slide for those that want to use a Comp Weight? or need a longer barrel for the USP .40 firearm. Made in Germany with a...HKP-01472$299.95