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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  • H&K HK .45 ACP Pistols Barrel O-Ring - Green H&K HK .45 ACP Pistols Barrel O-Ring - Green

    H&K HK .45 ACP Pistols Barrel O-Ring - Green

    H&K Heckler & Koch

    $4.95
    HK .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
    Qty in Cart: 0
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    $4.95
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  • HKP HK .45 Barrel O-Ring All Caliber Pistols - Red HKP HK .45 Barrel O-Ring All Caliber Pistols - Red

    HKP HK .45 Barrel O-Ring All Caliber Pistols - Red

    HKP HK Parts

    $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...
    HKP-19316
    $4.95
    Qty in Cart: 0
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    $4.95
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  • H&K HK Barrel O-Ring .45 ACP Caliber Pistols - Black H&K HK Barrel O-Ring .45 ACP Caliber Pistols - Black

    H&K HK Barrel O-Ring .45 ACP Caliber Pistols - Black

    H&K Heckler & Koch

    $4.95
    H&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
    Qty in Cart: 0
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    $4.95
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  • H&K .45 ACP Thread Protector - Threaded 16x1 LH H&K .45 ACP Thread Protector - Threaded 16x1 LH

    H&K .45 ACP Thread Protector - Threaded 16x1 LH

    H&K Heckler & Koch

    $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...
    HKP-00297
    $24.95
    Qty in Cart: 0
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    $24.95
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  • HKP .45 ACP Thread Protector - Threaded 16x1 LH HKP .45 ACP Thread Protector - Threaded 16x1 LH

    HKP .45 ACP Thread Protector - Threaded 16x1 LH

    HKP

    $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...
    HKP-19669
    $14.95
    Qty in Cart: 0
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    $14.95
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  • HK .45 ACP Titanium Thread Protector - Threaded 16x1 LH HK .45 ACP Titanium Thread Protector - Threaded 16x1 LH

    HK .45 ACP Titanium Thread Protector - Threaded 16x1 LH

    $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...
    HKP-17942
    $24.95
    Qty in Cart: 0
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    $24.95
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  • RCM HK45 .45 ACP Tactical Barrel - Threaded  .578x28 RH RCM HK45 .45 ACP Tactical Barrel - Threaded  .578x28 RH

    RCM HK45 .45 ACP Tactical Barrel - Threaded .578x28 RH

    RCM

    $270.00
    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...
    HKP-17446
    $270.00
    Qty in Cart: 0
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    $270.00
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  • H&K 45 .45 ACP Tactical Barrel - Threaded 16x1 LH H&K 45 .45 ACP Tactical Barrel - Threaded 16x1 LH

    H&K 45 .45 ACP Tactical Barrel - Threaded 16x1 LH

    HKP HK Parts

    $339.95
    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...
    HKP-01207
    $339.95
    Qty in Cart: 0
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    $339.95
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  • H&K 45C .45 ACP Tactical Barrel - Threaded 16x1 LH H&K 45C .45 ACP Tactical Barrel - Threaded 16x1 LH

    H&K 45C .45 ACP Tactical Barrel - Threaded 16x1 LH

    H&K Heckler & Koch

    $339.95
    H&K 45C .45 ACP Tactical Barrel - Threaded 16x1 LH New HK German HK45C threaded tactical barrel. A drop in barrel for the HK45 compact firearm. Features: Heckler & Koch Genuine Part Threaded For Use With Suppressors Threaded 16x1 LH Cold Hammer...
    HKP-01036
    $339.95
    Qty in Cart: 0
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    $339.95
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  • HKP HK45 .45 ACP Thread Protector - Threaded .578x28 RH HKP HK45 .45 ACP Thread Protector - Threaded .578x28 RH

    HKP HK45 .45 ACP Thread Protector - Threaded .578x28 RH

    HKP HK Parts

    $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...
    HKP-19514
    $19.95
    Qty in Cart: 0
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    $19.95
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  • RCM HK 45C .45 ACP Tactical Barrel -Threaded .578x28 RH RCM HK 45C .45 ACP Tactical Barrel -Threaded .578x28 RH

    RCM HK 45C .45 ACP Tactical Barrel -Threaded .578x28 RH

    RCM

    $270.00
    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...
    HKP-17449
    $270.00
    Qty in Cart: 0
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    $270.00
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  • RCM HK 45 .45 ACP Tactical Barrel - Threaded 16x1 LH RCM HK 45 .45 ACP Tactical Barrel - Threaded 16x1 LH

    RCM HK 45 .45 ACP Tactical Barrel - Threaded 16x1 LH

    RCM

    $270.00
    RCM HK 45 .45 ACP Tactical Barrel - Threaded 16x1 LH Upgrade your HK45 with the RCM Tactical .45 ACP barrel. Made from fully heat-treated 4140R steel, this barrel is double stress-relieved and coated with nitrided for superior durability and corrosion...
    HKP-08926
    $270.00
    Qty in Cart: 0
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    $270.00
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  • HKP .45 ACP Thread Protector - Threaded .578x28 RH HKP .45 ACP Thread Protector - Threaded .578x28 RH

    HKP .45 ACP Thread Protector - Threaded .578x28 RH

    HKP HK Parts

    $14.95
    HKP .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 threads...
    HKP-17623
    $14.95
    Qty in Cart: 0
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    $14.95
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  • H&K HK 45C German Barrel H&K HK 45C German Barrel

    H&K HK 45C German Barrel

    H&K Heckler & Koch

    $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. 
    HKP-01641
    $234.95
    Qty in Cart: 0
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    $234.95
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  • Out Of Stock
    HKP .45 ACP Titanium Thread Protector - Threaded 16x1 LH

    HKP .45 ACP Titanium Thread Protector - Threaded 16x1 LH

    HKP HK Parts

    $19.95
    HKP .45 ACP Titanium Thread Protector - Threaded 16x1 LH This new style .45 ACP tactical thread protector fits all HK45 full-size and compact barrels with 16x1 LH threads. Essential for protecting your threaded barrels and exposed threads, it preserves...
    HKP-18004
    $19.95
    Qty in Cart: 0
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    $19.95
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  • Out Of Stock
    H&K HK 45 German Barrel - Black H&K HK 45 German Barrel - Black

    H&K HK 45 German Barrel - Black

    H&K Heckler & Koch

    $314.95
    H&K HK 45 German Barrel - Black New HK45 German manufacture Cold Hammer Forged Factory Barrel. This is the perfect replacement barrel for those who have an HK45 Tactical model and want to replace the barrel with a non-threaded barrel. Compatible...
    HKP-14564
    $314.95
    Qty in Cart: 0
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    $314.95
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  • RCM HK45C/45C .45 ACP Tactical Barrel - Threaded 16x1 LH RCM HK45C/45C .45 ACP Tactical Barrel - Threaded 16x1 LH

    RCM HK45C/45C .45 ACP Tactical Barrel - Threaded 16x1 LH

    RCM

    $270.00
    RCM HK45C/45C .45 ACP Tactical Barrel - Threaded 16x1 LH   US-made HK45C & HK45C Tactical threaded barrel, compatible with a range of flash hiders and sound suppressors. Unlike the factory HK45C Tactical barrel with metric 16x1 LH threads, this...
    HKP-20131
    $270.00
    Qty in Cart: 0
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    $270.00
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  • HK45 .45 ACP Thread Protector - Threaded .578x28 RH HK45 .45 ACP Thread Protector - Threaded .578x28 RH

    HK45 .45 ACP Thread Protector - Threaded .578x28 RH

    USA

    $24.95
    HK45 .45 ACP Thread Protector - Threaded .578x28 RH Made in the USA, HK45 .45 ACP thread protector, for full size & compact barrels with a 578x28 RH. A must have item to protect your threaded barrels, exposed threads, and your pistol. Made from...
    HKP-19891
    $24.95
    Qty in Cart: 0
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    $24.95
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