HK45 Barrels

HK45 Barrels

HKParts has all types of HK45 barrels, from micro comps to paddle holsters and everything in between. We carry the perfect replacement barrels for your HK45. Reach out with any questions you may have. Shop HKParts today!

 
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  • On Sale
    New - H&K HK .45 ACP Pistols Barrel O-Ring - Green - HKP-01984 HK Pistol O-Ring - .45 ACP Barrel - Green
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    HK Pistol O-Ring - .45 ACP Barrel - Green

    H&K Heckler & Koch

    Now: $4.46
    Was: $4.95
    O-Ring for .45 caliber barrels HK introduced O-rings with the HK Mark 23 and HK USP 45 Tactical pistols. Features: Original green color no longer in production Same high-temperature rubber as the newer black O-rings Factory part that provides the seal...
    Now: $4.46
    Was: $4.95
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    New - HKP HK .45 Barrel O-Ring All Caliber Pistols - Red - HKP-19316 HK45, USP, Mark 23 Barrel O-Ring - .45 ACP - Red
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    HK45, USP, Mark 23 Barrel O-Ring - .45 ACP - Red

    HKP HK Parts

    Now: $3.96
    Was: $4.95
    HKP 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...
    Now: $3.96
    Was: $4.95
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  • On Sale
    New - H&K HK Barrel O-Ring .45 ACP Caliber Pistols - Black - HKP-00296 HK .45 ACP O-Ring - Barrel
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    HK .45 ACP O-Ring - Barrel

    H&K Heckler & Koch

    Now: $4.46
    Was: $4.95
    Heckler and Koch .45 ACP Caliber Barrel O-Ring in 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...
    Now: $4.46
    Was: $4.95
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    New - H&K .45 ACP Thread Protector - Threaded 16x1 LH - HKP-00297 HK45 Thread Protector - 16x1 LH

    HK45 Thread Protector - 16x1 LH

    H&K Heckler & Koch

    Now: $22.45
    Was: $24.95
    H&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...
    Now: $22.45
    Was: $24.95
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    New - HKP .45 ACP Thread Protector - Threaded 16x1 LH - HKP-19669 HK45 Thread Protector - 16x1 LH - US
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    HK45 Thread Protector - 16x1 LH - US

    HKP HK Parts

    Now: $11.96
    Was: $14.95
    HKP .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...
    Now: $11.96
    Was: $14.95
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    New - HK .45 ACP Titanium Thread Protector - Threaded 16x1 LH - HKP-17942 HK45 Thread Protector - 16x1 LH - Titanium
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    HK45 Thread Protector - 16x1 LH - Titanium

    Now: $22.45
    Was: $24.95
    HK .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...
    Now: $22.45
    Was: $24.95
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    New - RCM HK45 .45 ACP Tactical Barrel - Threaded .578x28 RH - HKP-17446 HK45 Tactical Barrel - .45 ACP - 5.15" - Threaded .578x28 RH

    HK45 Tactical Barrel - .45 ACP - 5.15" - Threaded .578x28 RH

    RCM

    Now: $225.00
    Was: $250.00
    RCM HK45 .45 ACP Tactical Barrel - Threaded .578x28 RH HK45 & HK45 Tactical threaded barrel compatible with a variety of flash hiders and sound suppressors. Unlike the factory HK45 Tactical barrel, which has a metric 16x1 LH thread, this barrel...
    Now: $225.00
    Was: $250.00
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    Now: $225.00
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  • On Sale
    New - H&K 45C .45 ACP Tactical Barrel - Threaded 16x1 LH - HKP-01036 HK45C, HK45CT Barrel - .45 ACP - 4.5" - Threaded 16x1 LH
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    HK45C, HK45CT Barrel - .45 ACP - 4.5" - Threaded 16x1 LH

    H&K Heckler & Koch

    Now: $305.95
    Was: $339.95
    Heckler and Koch HK45 Compact Tactical Barrel - Threaded 16x1 LH New HK German HK45C threaded tactical barrel. A drop in barrel for the HK45 compact firearm. Features: Heckler and Koch Genuine Part Threaded For Use With Suppressors Threaded 16x1 LH Cold...
    Now: $305.95
    Was: $339.95
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    New - HKP HK45 .45 ACP Thread Protector - Threaded .578x28 RH - HKP-19514 HK45 Thread Protector - .578x28 RH
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    HK45 Thread Protector - .578x28 RH

    HKP HK Parts

    Now: $15.96
    Was: $19.95
    HKP 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...
    Now: $15.96
    Was: $19.95
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    New - H&K 45 .45 ACP Tactical Barrel - Threaded 16x1 LH - HKP-01207 HK45, HK45T Barrel - .45 ACP - 5.11" - Threaded 16x1 LH

    HK45, HK45T Barrel - .45 ACP - 5.11" - Threaded 16x1 LH

    H&K Heckler & Koch

    Now: $268.15
    Was: $297.95
    H&K 45 .45 ACP Tactical Barrel - Threaded 16x1 LH New HK45 German factory cold hammer forged threaded barrel for use with flash hiders or sound suppressors. This is a drop-in barrel for any of the HK45 full-size pistols. No gunsmith is required as...
    Now: $268.15
    Was: $297.95
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    Now: $268.15
    Was: $297.95
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  • Out Of Stock
    On Sale
    New - RCM HK 45C .45 ACP Tactical Barrel -Threaded .578x28 RH - HKP-17449 HK45C Tactical Barrel - .45 ACP - 4.57" - Threaded .578x28 RH

    HK45C Tactical Barrel - .45 ACP - 4.57" - Threaded .578x28 RH

    RCM

    Now: $225.00
    Was: $250.00
    RCM HK 45C .45 ACP Tactical Barrel -Threaded .578x28 RH This HK45C & HK45C Tactical threaded barrel is designed for compatibility with a wide range of flash hiders and sound suppressors. Unlike the factory HK45C Tactical barrel with 16x1 LH...
    Now: $225.00
    Was: $250.00
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    Now: $225.00
    Was: $250.00
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  • On Sale
    New - H&K HK 45C German Barrel - HKP-01641 HK45 Compact Barrel - .45 ACP - 3.94" - Non-threaded
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    HK45 Compact Barrel - .45 ACP - 3.94" - Non-threaded

    H&K Heckler & Koch

    Now: $211.45
    Was: $234.95
    HK45C German Barrel Genuine Heckler & Koch HK45 Compact standard length, non-threaded, factory barrel. This is a great item to have as a spare. 
    Now: $211.45
    Was: $234.95
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    Was: $234.95
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