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 - H&K MR762 A4 1.5mm Gas Vent Screw - HKP-21953
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    HK MR762 A4 Gas Vent Screw - 1.5mm

    H&K Heckler & Koch

    $29.95
    H&K MR762 A4 1.5mm Gas Vent Screw German 1.5mm gas vent screw for MR762 A4. Provides more venting than the factory-installed 1.3mm screw. Compatible With: MR762 A4
    $29.95
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    $29.95
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  • New - H&K MR762 A4 1.7mm Gas Vent Screw - HKP-21948
    Add to Cart

    HK MR762 A4 Gas Vent Screw - 1.7mm

    H&K Heckler & Koch

    $29.95
    H&K MR762 A4 1.7mm Gas Vent Screw German 1.7mm gas vent screw for MR762 A4. Provides more venting than the factory-installed 1.3mm screw. Compatible With: MR762 A4
    $29.95
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    Qty in Cart: 0
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    $29.95
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  • New - H&K MR762 A4 1.8mm Gas Vent Screw - HKP-21941
    Add to Cart

    HK MR762 A4 Gas Vent Screw - 1.8mm

    H&K Heckler & Koch

    $29.95
    H&K MR762 A4 1.8mm Gas Vent Screw German 1.8mm gas vent screw for MR762 A4. Provides more venting than the factory-installed 1.3mm screw. Compatible With: HK MR762 A4
    $29.95
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    Qty in Cart: 0
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    $29.95
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  • New - HKP .40 S&W Enhanced Titanium Thread Protector- Threaded 9/16x24 - Silver - HKP-17976
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    HK VP40 Thread Protector - 9/16x24 - Titanium

    HKP HK Parts

    $24.95
    HKP .40 S&W Enhanced Titanium Thread Protector- Threaded 9/16x24   This solid titanium .40 S&W tactical thread protector is designed for barrels threaded 9/16x24. It’s an essential accessory for safeguarding your threaded barrel,...
    $24.95
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    $24.95
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  • On Sale
    Used - H&K MP5 40/10 Thread Protector Cap - Threaded 14x.75 - USED - HKP-00422-B HK MP5 Thread Protector Cap - 10mm / .40 S&W - Threaded 14x.75 - USED
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    HK MP5 Thread Protector Cap - 10mm / .40 S&W - Threaded 14x.75 - USED

    H&K Heckler & Koch

    Now: $34.95
    Was: $49.95
    H&K Heckler & Koch's MP5 40/10 Thread Protector Cap - Threaded 14x.75 - USED ONLY 4 UNITS AVAILABLE - AS PICTURED Priced for ONE cap - Condition Varies by Unit - Each unit Sold INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL...
    Now: $34.95
    Was: $49.95
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    Qty in Cart: 0
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    Now: $34.95
    Was: $49.95
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  • New - H&K MR762 A4 2.1mm Gas Vent Screw - HKP-21950
    Add to Cart

    HK MR762 A4 Gas Vent Screw - 2.1mm

    H&K Heckler & Koch

    $29.95
    H&K MR762 A4 2.1mm Gas Vent Screw German 2.1mm gas vent screw for MR762 A4. Provides more venting than the factory-installed 1.3mm screw. Compatible With: MR762 A4
    $29.95
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    Qty in Cart: 0
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    $29.95
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  • New - H&K MR762 A4 1.4mm Gas Vent Screw - HKP-21940
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    HK MR762 A4 Gas Vent Screw - 1.4mm

    H&K Heckler & Koch

    $29.95
    H&K MR762 A4 1.4mm Gas Vent Screw German 1.4mm gas vent screw for MR762 A4. Provides more venting than the factory-installed 1.3mm screw. COMPATABLE WITH: MR762 A4
    $29.95
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    Qty in Cart: 0
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    $29.95
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  • New - RCM HK MP5K 10mm Barrel - Threaded 9/16x24 - HKP-21157 HK MP5K Barrel - 10mm - Threaded 9/16x24 with 3 Lug
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    HK MP5K Barrel - 10mm - Threaded 9/16x24 with 3 Lug

    RCM

    $279.95
    RCM HK MP5K 10mm Barrel - Threaded 9/16x24 Enhance the performance of your MP5K with the RCM HK MP5K 10mm Barrel. This barrel is precision engineered for superior accuracy and durability, making it an essential upgrade for firearm enthusiasts...
    $279.95
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    $279.95
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  • New - HK P30, P30S .40 Barrel - Black - HKP-02412 HK P30 Barrel - .40 S&W - 3.85"
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    HK P30 Barrel - .40 S&W - 3.85"

    H&K Heckler & Koch

    $274.95
    HK P30, P30S .40 Barrel New HK German P30 standard factory length. 
    $274.95
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    $274.95
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  • New - RCM HK USPC 9mm Barrel - Non-Threaded - HKP-16704 HK USPC Barrel - 9mm - 3.58" - Non-Threaded
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    HK USPC Barrel - 9mm - 3.58" - Non-Threaded

    RCM

    $199.95
    RCM HK USPC 9mm Barrel - Non-Threaded Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. Each USP Compact 9mm barrel is a drop-in fit for your HK USPC pistol. Specifications: Made in...
    $199.95
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    $199.95
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  • HK MR762 A4 Barrel - 16.5" - Proofed HK MR762 A4 Barrel - 16.5" - Proofed
    Add to Cart

    HK MR762 A4 Barrel - 16.5" - Proofed

    H&K Heckler & Koch

    $459.95
    HK MR762 A4 Barrel - 16.5" - Proofed Factory proofed HK MR762 A4 16.5" barrel with standard 5/8x24 RH thread pitch. Compatible With: HK MR762 A4
    $459.95
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    $459.95
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  • On Sale
    New - CQT FX Simunition Conversion Kit for MP5 - 9mm Blue - Spare Part Lot - BLEMISHED - HKP-99054-B
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    CQT FX Simunition Conversion Kit for MP5 - 9mm Blue - Spare Part Lot - BLEMISHED

    Simunition

    Now: $87.95
    Was: $319.95
    CQT FX Simunition Conversion Kit for MP5 - 9mm Blue - Spare Part Lot - BLEMISHED   SHADES OF BLUE MAY VARY   The CQT FX Simunition conversion spare parts lot from original kits. Everything pictured is included. THIS CLOSEOUT PART IS NOT...
    Now: $87.95
    Was: $319.95
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    Now: $87.95
    Was: $319.95
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