Barrels

Barrels

Premium HK Barrels and Firearm Parts to upgrade your HK firearm with precision-engineered, CHF (Cold Hammer Forged) barrels, and premium parts built for reliability, unparalleled accuracy, and long-term performance. Our OEM and aftermarket HK barrels deliver exceptional quality and fit for pistols, rifles, and submachine guns.

Key Features:

  • CHF (Cold Hammer Forged) construction for unmatched durability and precision
  • Engineered for superior accuracy and shot consistency
  • Made from premium, corrosion-resistant materials
  • Designed for performance, competition, and tactical applications
  • OEM fit and easy installation across multiple HK platforms

Enhance your HK pistol or rifle with the best high-performance CHF barrels engineered for excellence, trusted by professionals  and firearm enthusiasts.

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  • New - HKP HK MP5 .40 S&W Barrel - Threaded 9/16x24 - 3-Lug - HKP-16402 HK MP5 Barrel - .40 S&W - Threaded 9/16x24 with 3 Lug
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    HK MP5 Barrel - .40 S&W - Threaded 9/16x24 with 3 Lug

    HKP HK Parts

    $249.95
    HKP HK MP5 .40 S&W Barrel - Threaded 9/16x24 - 3-Lug Newly manufactured US Made MP5 .40 S&W barrel that is 3-lugged and threaded with matching thread protector. This is a barrel offering that is made to the highest standards and tolerances and...
    HKP-16402
    $249.95
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    $249.95
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  • HK UMP Barrel Pin Screw HK UMP Barrel Pin Screw
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    HK UMP Barrel Pin Screw

    OMEGA

    $13.95
    Omega UMP Barrel Pin Screw Barrel pin Screw that replaces barrel pins on Omega Gideon Shadow Compatible With: HK UMP HK USC Omega GS
    HKP-22514
    $13.95
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    $13.95
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  • On Sale
    New - HK MP5K .357 Sig Barrel - 3 Lug - Threaded 1/2x32 - Gunsmith Special - HKP-99177 HK MP5K Barrel - .357 Sig - Threaded 1/2x32 with 3 Lug - Gunsmith Special
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    HK MP5K Barrel - .357 Sig - Threaded 1/2x32 with 3 Lug - Gunsmith Special

    USA

    Now: $59.95
    Was: $289.95
    HK MP5K .357 Sig Barrel - 3 Lug - Threaded 1/2x32 - Gunsmith Special  Unfinished US-Made MP5K .357 Sig barrel. Please Note: Will require work before being functional. HKP recommends the work be performed by a professional gunsmith. Condition will...
    HKP-99177
    Now: $59.95
    Was: $289.95
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    Now: $59.95
    Was: $289.95
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  • New - H&K .45 ACP Tactical Texas Style Thread Protector - Threaded 16x1 RH - HKP-20406 HK Mark 23 Thread Protector - Tactical Texas Style - Threaded 16x1 - RH
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    HK Mark 23 Thread Protector - Tactical Texas Style - Threaded 16x1 - RH

    H&K Heckler & Koch

    $24.95
    H&K Mark 23 ACP Tactical Texas Style Thread Protector - Threaded 16x1 RH The Texas Style thread protector features raised knurling, distinguishing it from the standard HK style, which does not have this raised texture. This design ensures a secure...
    HKP-20406
    $24.95
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    $24.95
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  • New - H&K HK P2000 9mm Barrel - Black - HKP-01570 HK P2000 Barrel - 9mm - 3.36"
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    HK P2000 Barrel - 9mm - 3.36"

    H&K Heckler & Koch

    $319.95
    New HK German HK P2000 Barrel 9mm Brand new cold hammer forged 9mm P2000 barrel. Perfect for those who want to have a spare or for caliber conversion swaps.
    HKP-01570
    $319.95
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    $319.95
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  • New - RCM HK51K (7.62x51/.308) Barrel - Threaded 15x1 RH - HKP-02392 HK51K Barrel - 7.62 / .308 - 5.3" - Threaded 15x1 RH
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    HK51K Barrel - 7.62 / .308 - 5.3" - Threaded 15x1 RH

    RCM

    $164.95
    RCM HK51K (7.62x51/.308) Barrel - Threaded 15x1 RH Made to exact HK51K specifications from cold hammer forged steel, this barrel matches the quality of HK German barrels. Ideal for custom builds and HK51K style projects. Specifications: Made In The...
    HKP-02392
    $164.95
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    $164.95
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  • New - H&K P30L 4.45" 9mm Barrel - Black - HKP-01827 hk p30l, hk p30, hk barrel, hk p30l 9mm, hk 227713, hk factory parts, hk replacement barrel, polygonal rifling, hk oem, hk germany, p30l barrel, hk parts, hk pistol upgrade, heckler koch barrel, hk spares
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    HK P30L Barrel - 4.45" - 9mm

    H&K Heckler & Koch

    $234.95
    Factory barrel for HK P30L 9mm pistols made by Heckler and Koch Features: Factory made in Germany 4.45" barrel caliber 9 x 19mm six-sided polygonal Cold hammer Forged CHF from strong steel with a black finish Stamped for both its manufacture location...
    HKP-01827
    $234.95
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    $234.95
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  • Out Of Stock
    New - H&K 21E/23E/21/11/13 Barrel Grip Holder - German - HKP-16427 HK21E, HK23E, HK21, HK11, HK13 Barrel Grip Holder - German

    HK21E, HK23E, HK21, HK11, HK13 Barrel Grip Holder - German

    H&K Heckler & Koch

    $34.95
    H&K 21E/23E/21/11/13 (7.62x51/.308) & (5.56/.223) Barrel Grip Holder - German New old stock with handling marks from being bagged and shipped in bulk. German HK manufacture.
    HKP-16427
    $34.95
    Out Of Stock
    Qty in Cart: 0
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    $34.95
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  • New - RCM MP5 & HK34 9mm Barrel - Threaded 1/2x28 - HKP-17761 HK MP5, HK94, HK34 Barrel - 9mm - 16.175" - Threaded 1/2x28
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    HK MP5, HK94, HK34 Barrel - 9mm - 16.175" - Threaded 1/2x28

    RCM

    $249.95
    RCM MP5, HK34, HK94 Barrel - 9mm - 16.175"- Threaded 1/2x28 Each barrel is meticulously crafted from premium cold hammer forged (CHF) 41V45 steel, expertly profiled and chambered with a 16-flute chamber profile. Finished with a highly durable nitrided...
    HKP-17761
    $249.95
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    Qty in Cart: 0
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    $249.95
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  • HK Mark 23 .45 ACP Thread Protector - Threaded 16x1 RH HKP HK Parts HKP-22286 HK Mark 23 .45 ACP Thread Protector - Threaded 16x1 RH HKP HK Parts HKP-22286
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    HK Mark 23 Thread Protector - Knurled - 16x1 RH

    HKP HK Parts

    $19.95
    HKP .45 ACP Thread Protector - Threaded 16x1 RH for HK Mark 23 Thread protector designed for HK Mark 23 and  SOCOM barrels threaded 16x1 RH. Machined steel with a durable nitride finish and knurled exterior for secure installation and removal...
    HKP-22286
    $19.95
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    $19.95
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  • New - RCM HK P30L .40 to 9mm Conversion Barrel - Threaded - 13.5x1 - HKP-21788 HK P30L Conversion Barrel - .40 S&W  to 9mm - Threaded - 13.5x1
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    HK P30L Conversion Barrel - .40 S&W to 9mm - Threaded - 13.5x1

    RCM

    $214.95
    RCM HK P30L .40 to 9mm Conversion Barrel - Threaded - 13.5x1 This 9mm conversion barrel is a drop-in replacement that allows your P30L to shoot the ubiqutous 9mm cartridge. Includes a thread protector. Each barrel is made from ordnance-grade steel,...
    HKP-21788
    $214.95
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    $214.95
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  • Used - HK MP5/K Barrel Extension Faux Suppressor - Threaded 15x1 RH - HKP-20890 HK MP5, MP5K Barrel Extension and Faux Suppressor - 8.85" - Threaded 15x1 RH
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    HK MP5, MP5K Barrel Extension and Faux Suppressor - 8.85" - Threaded 15x1 RH

    USA

    $179.95
    HK MP5, MP5K Barrel Extension Faux Suppressor - 15x1 RH Perfect for that rifle build or for those looking for the MP5KN suppressed look. Dakota tactical review of this exciting new product on an MP5: DTAC Suppressor Review Specifications: Overall...
    HKP-20890
    $179.95
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    Qty in Cart: 0
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    $179.95
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