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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  • Out Of Stock
    On Sale
    New - H&K P30 9mm Tactical Barrel - Threaded 1/2x28 RH - HKP-19964 HK P30, P30S Barrel - 9mm - Threaded 1/2x28 RH - Tactical

    HK P30, P30S Barrel - 9mm - Threaded 1/2x28 RH - Tactical

    H&K Heckler & Koch

    Now: $404.95
    Was: $449.95
    H&K P30 9mm Tactical Barrel - Threaded 1/2x28 RH Each HK German barrel now includes a factory HK German thread protector, designed specifically for threaded P30 barrels in 1/2x28. We start with a new HK German P30L barrel, professionally fitted to...
    Now: $404.95
    Was: $449.95
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    Now: $404.95
    Was: $449.95
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  • On Sale
    New - HKP .45 ACP Titanium Thread Protector - Threaded 16x1 LH - HKP-18004
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    HK45, UMP, USC, USP 45 Thread Protector - 16x1 LH - Titanium

    HKP HK Parts

    Now: $15.96
    Was: $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...
    Now: $15.96
    Was: $19.95
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    Was: $19.95
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  • On Sale
    New - Nefarious Arms HK 416/MR556 14.5" A3 Barrel - HKP-21589 HK416, MR556 Barrel - 5.56 - 14.5" - Threaded 1/2"x28- A3 - Light
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    HK416, MR556 Barrel - 5.56 - 14.5" - Threaded 1/2"x28- A3 - Light

    Nefarious Arms

    Now: $535.46
    Was: $594.95
    Nefarious Arms HK 416/MR556 14.5" A3 Barrel Each Nefarious Arms barrel is cold-hammer-forged and chrome-lined for years of accurate shooting.  Grab this expertly crafted barrel for your next SBR or pistol build.  Compatible With: HK 416 A1,...
    Now: $535.46
    Was: $594.95
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    Now: $535.46
    Was: $594.95
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  • On Sale
    New - HK45 .45 ACP Thread Protector - Threaded .578x28 RH - HKP-19891 HK45 Thread Protector - Threaded .578x28 RH
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    HK45 Thread Protector - Threaded .578x28 RH

    USA

    Now: $22.45
    Was: $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. Made from stainless steel with a nitride finished. Specifications: Made in the USA Stainless...
    Now: $22.45
    Was: $24.95
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    Now: $22.45
    Was: $24.95
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  • On Sale
    New - RCM HK33K (5.56/.223) Barrel - Threaded 15x1 - HKP-02319 HK33K Barrel - .556 / .223 - 12.7" - Threaded 15x1
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    HK33K Barrel - .556 / .223 - 12.7" - Threaded 15x1

    RCM

    Now: $211.45
    Was: $234.95
    RCM HK33K (5.56/.223) Barrel - Threaded 15x1 Enhance your HK33K with the RCM 12.7" barrel, crafted from cold hammer-forged steel. The nitride finish provides exceptional corrosion and wear resistance, and the fully fluted chamber meets stringent HK...
    Now: $211.45
    Was: $234.95
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    Now: $211.45
    Was: $234.95
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  • On Sale
    New - H&K G36/SL8 (5.56/.223) Barrel Retaining Nut - HKP-16341 HK G36, SL8 Barrel Retaining Nut - 5.56 / .223
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    HK G36, SL8 Barrel Retaining Nut - 5.56 / .223

    H&K Heckler & Koch

    Now: $26.95
    Was: $29.95
    HK G36 & SL8 Barrel Retaining Nut - German HK Compatible With: SL8 (all models and variants) G36E G36K G36C All other G36 Variants
    Now: $26.95
    Was: $29.95
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    Now: $26.95
    Was: $29.95
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  • On Sale
    New - H&K MR556 A4/416 A5 2.1mm Gas Vent Screw - HKP-22052
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    HK416 A5, MR556 A4 Gas Vent Screw - 2.1mm

    H&K Heckler & Koch

    Now: $31.46
    Was: $34.95
    H&K MR556 A4/416 A5 2.1mm Gas Vent Screw German 2.1mm gas vent screw for MR556 A4. Provides more venting than the factory-installed 1.3mm screw. Compatible With: HK MR556 A4 HK416 A5
    Now: $31.46
    Was: $34.95
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    Now: $31.46
    Was: $34.95
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  • On Sale
    New - RCM HK G3 & M61 (7.62x51/.308) Barrel - Threaded 15x1 RH - HKP-21353 HK G3, M61 Barrel - 7.62 - 17.7" - Threaded 15x1 RH
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    HK G3, M61 Barrel - 7.62 - 17.7" - Threaded 15x1 RH

    RCM

    Now: $247.45
    Was: $274.95
    RCM HK G3 & M61 (7.62x51/.308) Barrel - Threaded 15x1 RH Brand New Barrel for the Pre-G3 HK M61. The M61 was produced by H&K in Germany and has some aesthetic features that the final G3 rifles did not incorporate. A true piece of history can be...
    Now: $247.45
    Was: $274.95
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    Now: $247.45
    Was: $274.95
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  • Out Of Stock
    On Sale
    New - HKP HK G36C Barrel - Black - HKP-18195 HK G36C Barrel - 5.56 / .223 - 8.98"

    HK G36C Barrel - 5.56 / .223 - 8.98"

    HKP HK Parts

    Now: $399.96
    Was: $499.95
    HKP HK G36C Barrel Brand new HK G36C barrel made from 416 stainless steel and nitrided, uninstalled & unfired. The G36C barrel uses a factory German or USA spec G36K/G36C gas block. Counts as one USA made complaint part. Perfect for the SL8/G36 style...
    Now: $399.96
    Was: $499.95
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    Now: $399.96
    Was: $499.95
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  • On Sale
    New - RCM HK P30 .40 Cal S&W To .357 Sig Conversion Barrel - Non-Threaded - HKP-17505 HK P30 Conversion Barrel - .40 S&W to .357 SIG - Non-Threaded
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    HK P30 Conversion Barrel - .40 S&W to .357 SIG - Non-Threaded

    RCM

    Now: $213.75
    Was: $237.50
    RCM HK P30 .40 Cal S&W To .357 Sig 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 best barrel for the HK P30 .40 S&W. This ...
    Now: $213.75
    Was: $237.50
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    Now: $213.75
    Was: $237.50
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  • On Sale
    New - RCM HK P2000SK .40 S&W Barrel - Threaded 9/16x24 RH - HKP-16740 HK P2000SK Barrel - .40 S&W - 3.89" - Threaded 9/16x24 RH
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    HK P2000SK Barrel - .40 S&W - 3.89" - Threaded 9/16x24 RH

    RCM

    Now: $202.50
    Was: $225.00
    RCM HK P2000SK .40 S&W Tactical Barrel - Threaded 9/16x24 RH Each P2000 SK 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...
    Now: $202.50
    Was: $225.00
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    Now: $202.50
    Was: $225.00
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  • Out Of Stock
    On Sale
    New - H&K USPC 9mm Barrel - HKP-01526 HK USP Compact Barrel - 9mm - 3.58"

    HK USP Compact Barrel - 9mm - 3.58"

    H&K Heckler & Koch

    Now: $211.45
    Was: $234.95
    H&K USPC 9mm Barrel   Compatible With HK USPC 9mm
    Now: $211.45
    Was: $234.95
    Out Of Stock
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    Now: $211.45
    Was: $234.95
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