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
$4.95HK .45 ACP Pistols Barrel O-Ring - Green Get them while you can, as they are no longer available in green. The green o-rings were used when HK introduced o-rings on the Mark 23 and USP 45 Tactical HK pistols. All HK O-rings are made of the same material...HKP-01984$4.95 -
HKP HK .45 Barrel O-Ring All Caliber Pistols - Red
HKP HK Parts
$4.95HKP HK .45 Barrel O-Ring All Caliber Pistols - Red A 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...HKP-19316$4.95 -
HK 9mm Barrel O-Ring For Thread Protector - Green
H&K Heckler & Koch
$4.95HK German 9mm barrel O-ring - Green For thread protector or barrel slot on the Elite barrel. The o-ring is a high wear and replacement item. Stock up at the lowest price in the country. To save even more order 10 or more and get an additional $1 off per...HKP-19729$4.95 -
H&K HK Barrel O-Ring .45 ACP Caliber Pistols - Black
H&K Heckler & Koch
$4.95H&K HK Barrel O-Ring .45 ACP Caliber Pistols - Black A great spare and a much-needed part for your HK barrel. This factory part is a high-wear item, as the O-ring provides the seal between the slide and the barrel, which provides a secure lockup with...HKP-00296$4.95 -
H&K .45 ACP Thread Protector - Threaded 16x1 LH
H&K Heckler & Koch
$24.95H&K .45 ACP Thread Protector - Threaded 16x1 LH The cap fits all HK45 full size & compact barrels threaded 16x1 LH hand thread. A must have item to protect your threaded barrels, exposed threads, and your HK pistol investment. The use of the...HKP-00297$24.95 -
H&K 9mm Thread Protector - Threaded 13.5x1 LH
H&K Heckler & Koch
$24.95H&K 9mm Thread Protector - Threaded 13.5x1 LH This German HK manufactured 9mm tactical threaded barrel protector fits all HK 9mm threaded barrels that are 13.5x1 metric LH twist. Specifications: Overall Length .45" Outside Diameter ...HKP-00919$24.95 -
H&K HK 9mm Barrel Thread Protector O-Ring - Black
H&K Heckler & Koch
$4.95HK German 9mm Barrel O-ring - Black The O-ring is a high-wear and replacement item. To save money - order 10 or more and get an additional $1 off per O-ring. Compatible With The Following Barrels That Have An O-ring Groove: HK USP 9mm HK USP Compact...HKP-00908$4.95 -
On Sale
HKP 9mm 3-Lug Adapter - Threaded 1/2x28
HKP HK Parts
Now: $34.95Was: $49.95HKP 9mm 3-Lug Adapter - Threaded 1/2x28 The HK 3-Lug Adapter is a premium component designed to enhance your setup. It features internal 1/2x28 threading, allowing you to attach it to existing 1/2x28 threaded applications. This adapter enables the use...HKP-00106Now: $34.95Was: $49.95 -
H&K HK .40 Barrel O-Ring - Green
H&K Heckler & Koch
$4.95HK German .40 Cal Barrel O-ring Get them while you can, as they are no longer made in green and are only offered while supplies last. The green o-rings were first used on the older HK pistols. Made from the same material as the...HKP-01985$4.95 -
HKP .45 ACP Thread Protector - Threaded 16x1 LH
HKP
$14.95HKP .45 ACP Thread Protector - Threaded 16x1 LH This .45 caliber thread protector fits all full-size and compact barrels with 16x1 LH threads. Made in the USA from stainless steel with a nitride finish, it's essential for protecting your threaded barrels...HKP-19669$14.95 -
H&K USP .45 ACP Tactical Barrel - Threaded 16x1 LH
H&K Heckler & Koch
$310.99H&K USP .45 ACP Tactical Barrel - Threaded 16x1 LH HK USP .45 ACP 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 ACP pistols. No gunsmith is required as this is an...HKP-00319$310.99 -
On Sale
HKP 9mm 3-Lug Adapter - Threaded 13.5x1 LH
HKP HK Parts
Now: $34.95Was: $49.95HKP 9mm 3-Lug Adapter - Threaded 13.5x1 LH The HK Parts 3-Lug Adapter is internally threaded in 13.5x1 left hand. Our adapter allows the attachment of common 3-lug accessories: flash hiders, compensators, suppressors, etc. This is the finest machined HK...HKP-17410Now: $34.95Was: $49.95 -
Kaw Valley Precision 9mm Thread Adapter - Converts 13.5x1 LH To 1/2x28
Kaw Valley Precision
$29.95Kaw Valley Precision 9mm Thread Adapter - Converts 13.5x1 LH To 1/2x28 Converts barrel thread pitches to match desired muzzle device thread pitches. For example, this adapter converts a 13.5x1 LH barrel thread to a 1/2x28 thread, allowing for the...HKP-19991$29.95 -
HKP 9mm Enhanced Thread Protector - Threaded 13.5x1 LH
HKP HK Parts
$24.95HKP 9mm Enhanced Thread Protector - Threaded 13.5x1 LH Titanium manufactured enhanced thread protector in 13.5x1 LH for use with all threaded barrels. This unique design will fit over and protect the crown of your barrel for added protection...HKP-19497$24.95 -
HKP 9mm Enhanced Texas Style Thread Protector - Threaded 13.5x1 LH
HKP HK Parts
$19.95HKP 9mm Enhanced Texas Style Thread Protector - Threaded 13.5x1 LH This enhanced thread protector, made from stainless steel in a 13.5x1 LH thread, is designed to fit over and protect the crown of any threaded barrel. Its unique design offers added...HKP-17978$19.95 -
RCM HK USP .45 ACP Tactical Barrel - Threaded .578x28 RH
RCM
$270.00RCM HK USP .45 ACP Tactical Barrel - Threaded .578x28 RH HK USP .45 & USP .45 Tactical threaded barrel compatible with various flash hiders and sound suppressors. Unlike the factory USP .45 Tactical barrel, which uses a less common metric 16x1 left...HKP-17447$270.00 -
Kaw Valley Precision Suppressor Adapter - Threaded 1/2x28 RH - 3-Lug
Kaw Valley Precision
$36.95Kaw Valley Precision 9mm 3-Lug Suppressor Adapter - Threaded 1/2x28 RH The KVP 3-Lug Adapters are precision engineered to replicate the popular HK pattern 3-Lug interface. Crafted with meticulous attention to concentricity, these adapters ensure...HKP-19987$36.95 -
HKP 9mm Thread Protector - Threaded 13.5x1 LH
HKP HK Parts
$19.95HKP 9mm Thread Protector - Threaded 13.5x1 LH This standard thread protector is perfect as a replacement or backup. It fits 9mm barrels with 13.5x1 LH threading. Specifications: Threaded 13.5x1 LH Compatible With: HK...HKP-20745$19.95 -
HKP (9mm & 5.56/.223) Thread Protector For Barrels - Threaded 1/2x28
HKP HK Parts
$14.95HKP (9mm & 5.56/.223) Thread Protector For Barrels - Threaded 1/2x28 A must-have accessory to safeguard the threads on your threaded barrel, this thread protector is the finest available. It is the standard thread protector included with all HKPARTS...HKP-02646$14.95 -
Out Of Stock
RCM HK USPC 9mm Tactical Barrel - Threaded 1/2x28 RH
RCM
$225.00RCM HK USPC 9mm Tactical Barrel - Threaded 1/2x28 RH Each USPC 9mm tactical barrel is crafted from ordnance grade steel, heat-treated, and finished with a durable nitride coating. It is the finest threaded replacement barrel for the HK USPC 9mm...HKP-01705$225.00 -
HKP HK 9mm Enhanced Thread Protector - Threaded 1/2x28 RH
HKP HK Parts
$19.95HKP HK 9mm Enhanced Thread Protector - Threaded 1/2x28 RH This enhanced thread protector is crafted from stainless steel and designed for 1/2x28 threaded barrels. Its unique design not only fits over and protects the crown of your barrel but...HKP-17977$19.95 -
HK .45 ACP Titanium Thread Protector - Threaded 16x1 LH
$24.95HK .45 ACP Titanium Thread Protector - Threaded 16x1 LH Crafted from solid titanium, this tactical thread protector fits all HK45 full-size and compact barrels threaded 16x1 LH. Essential for safeguarding your threaded barrels and exposed threads, it...HKP-17942$24.95 -
H&K USP .40 S&W Tactical Barrel - Threaded 14.5x1 LH
H&K Heckler & Koch
$299.95H&K USP .40 S&W Tactical Barrel - Threaded 14.5x1 LH This genuine Heckler & Koch part is a drop-in replacement for the full-size USP, USP Tactical, and other .40 S&W pistols. The tactical threaded barrel offers precise fit and...HKP-00328$299.95 -
H&K .40 S&W Tactical Thread Protector - Threaded 14.5x1 LH
H&K Heckler & Koch
$24.95H&K .40 S&W Tactical Thread Protector - Threaded 14.5x1 LH Fits all HK barrels that are threaded 14.5x1 LH. This is the correct thread protector for all the HK .40 S&W metric threaded barrels. This will also fit non HK related barrels as well...HKP-00298$24.95 -
Out Of Stock
RCM HK USP 9mm Tactical Barrel - Threaded 1/2x28
RCM
$225.00RCM HK USP 9mm Tactical Barrel - Threaded 1/2x28 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 for...HKP-16705$225.00 -
Kaw Valley Precision 9mm 3-Lug Suppressor Adapter - Threaded 13.5x1 LH
Kaw Valley Precision
$36.95Kaw Valley Precision 9mm 3-Lug Suppressor Adapter - Threaded 13.5x1 LH The KVP 3-Lug adapters are precision manufactured to replicate the popular HK pattern 3-Lug interface, with exceptional concentricity of ID and OD surfaces. Machined on a high...HKP-19993$36.95 -
RCM HK USPC .45 ACP Barrel - Threaded .578x28 RH
RCM
$270.00RCM HK USPC .45 ACP Barrel - Threaded .578x28 RH This HK USPC .45 ACP & USPC Tactical .45 ACP threaded barrel is designed for use with various flash hiders and sound suppressors. It features the common US .578x28 right-hand threads, ensuring...HKP-17448$270.00 -
RCM HK USPC .40 S&W to .357 SIG Caliber Conversion Barrel - Non-Threaded
RCM
$237.50RCM HK USPC .40 S&W to .357 SIG Caliber Conversion Barrel - Non-Threaded Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest replacement barrel for the HK USPC ...HKP-17747$237.50 -
H&K HK .40 Barrel O-Ring - Black
H&K Heckler & Koch
$4.95New HK German Black .40 Cal Barrel O-ring For All .40 Caliber Threaded Barrels This factory part is a high wear and replacement item as the O-ring provides the seal between the slide and the barrel, which provides a secure lockup and increased accuracy...HKP-02126$4.95 -
H&K USP 9mm Standard Threaded Barrel- Threaded 13.5x1 LH
H&K Heckler & Koch
$320.95H&K USP 9mm Standard Threaded Barrel - Threaded 13.5x1 LH This Heckler & Koch factory threaded barrel is a drop-in replacement for USP 9mm SD models. It can also be used on standard USP 9mm full-size models, but the O-ring should be removed for...HKP-17809$320.95 -
HKP HK45 .45 ACP Thread Protector - Threaded .578x28 RH
HKP HK Parts
$19.95HKP HK45 .45 ACP Thread Protector - Threaded .578x28 RH The new US-made .45 ACP tactical thread protector, the cap fits all HK45 full size & compact barrels threaded .578x28 RH thread. A must have item to protect your threaded barrels & exposed...HKP-19514$19.95 -
RCM HK USP .40 S&W To .357 SIG Conversion Barrel - Non-Threaded
RCM
$237.50RCM HK USP .40 S&W To .357 SIG Conversion Barrel - Non-Threaded Each barrel is finely and painstakingly made from ordnance grade steel, heat treated, with a nitrided finish inside and out. This is the finest replacement barrel available for the HK...HKP-17746$237.50 -
RCM HK USPC .40 S&W Tactical Barrel - Threaded 14.5x1 LH
RCM
$225.00RCM HK USPC .40 S&W Tactical Barrel - Threaded 14.5x1 LH Each USPC .40 S&W tactical barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement...HKP-16708$225.00 -
RCM HK USPC 9mm Tactical Barrel - Threaded 13.5x1 LH
RCM
$225.00RCM HK USPC 9mm Tactical Barrel - Threaded 13.5x1 LH Each USPC tactical barrel is crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement barrel for the HK USP Compact 9mm...HKP-01706$225.00 -
H&K USPC .45 ACP Barrel - Threaded 16x1 LH
H&K Heckler & Koch
$345.95H&K USPC .45 ACP Barrel - Threaded 16x1 LH This H&K USPC .45 ACP barrel features a threaded 16x1 LH design, ideal for enhancing your firearm. Made from cold hammer-forged steel with polygonal rifling, it ensures durability and precision. The...HKP-00320$345.95 -
Out Of Stock
H&K HK USP .45 ACP Full Size Standard Length Barrel - Black
H&K Heckler & Koch
$379.95HK USP .45 ACP Full Size Standard Length Barrel - Black This part can be a replacement barrel for the USP Tactical if you do not want to have the threaded barrel installed. Easy drop-in installation. It can also be used to convert the USP Tactical .45 to...HKP-01520$379.95 -
RCM HK USP .40 S&W Tactical Barrel - Threaded 9/16x24
RCM
$225.00RCM HK USP .40 S&W Tactical Barrel - Threaded 9/16x24 Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the best replacement barrel for the HK USP full-size .40 S&W...HKP-17744$225.00 -
RCM HK USP .40 S&W Tactical Barrel - Threaded 14.5x1 LH
RCM
$225.00RCM HK USP .40 S&W Tactical Barrel - Threaded 14.5x1 LH Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest replacement barrel for the HK USP full-size .40...HKP-17745$225.00 -
RCM HK USPC .40 S&W Tactical Barrel - Threaded 9/16x24 RH
RCM
$225.00RCM HK USPC .40 S&W Tactical Barrel - Threaded 9/16x24 RH Each USPC .40 S&W tactical barrel is meticulously crafted from ordnance grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement...HKP-16707$225.00 -
RCM HK USP .45 ACP Barrel - Threaded 16x1 LH
RCM
$270.00RCM HK USP .45 ACP Barrel - Threaded 16x1 LH HK USP .45 ACP & HK USP Tactical .45 ACP threaded barrel for use with a wide variety of flash hiders & sound suppressors. This is a special offering as a factory USP Tactical.45 ACP barrel is threaded...HKP-20130$270.00