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 - 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

    $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...
    HKP-21353
    $274.95
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    $274.95
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  • On Sale
    New - HKP .40 S&W Thread Protector - Threaded 14.5x1 LH - Titanium - HKP-17961 Thread Protector - .40 S&W - 14.5x1 LH - Titanium
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    Thread Protector - .40 S&W - 14.5x1 LH - Titanium

    HKP HK Parts

    Now: $13.95
    Was: $24.95
    HKP HK .40 S&W Thread Protector - Threaded 14.5x1 LH - Titanium Titanium .40 S&W tactical barrel thread protector cap.  Each thread protector has a built in O-ring to allow the best fit possible to prevent the thread protector from coming...
    HKP-17961
    Now: $13.95
    Was: $24.95
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    Now: $13.95
    Was: $24.95
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  • New - HKP .40 S&W Thread Protector - 9/16x24 - HKP-18145 Thread Protector - .40 S&W - 9/16x24 RH - Steel
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    Thread Protector - .40 S&W - 9/16x24 RH - Steel

    HKP HK Parts

    $19.95
    HKP .40 S&W Thread Protector - 9/16x24 The New Style .40 Caliber Tactical Thread Protector is an essential accessory designed to safeguard your HK .40 caliber pistol's threaded barrels. Perfectly crafted to fit all HK .40 caliber full-size and...
    HKP-18145
    $19.95
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    $19.95
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  • New - HKP HK MR556/416 Barrel Mandrel Tool - HKP-19059 HK416, MR556 Barrel Mandrel Tool
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    HK416, MR556 Barrel Mandrel Tool

    HKP HK Parts

    $169.95
    HKP HK MR556/416 Barrel Mandrel Tool US Made - HK 416, MR556 Barrel Mandrel Tool.
    HKP-19059
    $169.95
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    Qty in Cart: 0
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    $169.95
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  • New - H&K G36/SL8 (5.56/.223) Barrel Retaining Nut - HKP-16341 HK G36, SL8 Barrel Retaining Nut
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    HK G36, SL8 Barrel Retaining Nut

    H&K Heckler & Koch

    $29.95
    HK G36 & SL8 Barrel Retaining Nut - German HK Compatible With: SL8 (all models and variants) G36E G36K G36C All other G36 Variants
    HKP-16341
    $29.95
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    Qty in Cart: 0
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    $29.95
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  • New - H&K HK MR556/HK 416 A4/A5 Barrel Nut - HKP-21938 HK416 A4, MR556 A5 Barrel Nut
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    HK416 A4, MR556 A5 Barrel Nut

    H&K Heckler & Koch

    $60.95
    H&K HK MR556 A4/HK 416 A5 Barrel Nut This precision-machined steel barrel nut is designed specifically for H&K’s MR556 A4 and HK416 A5 rifles. It secures the barrel and supports the proprietary HK free-floating handguard system, offering...
    HKP-21938
    $60.95
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    Qty in Cart: 0
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    $60.95
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  • New - RCM HK P30 9mm Tactical Barrel - Threaded 13.5x1 LH - HKP-16238 HK P30 Tactical Barrel - 9mm - 4.45" - Threaded 13.5x1 LH
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    HK P30 Tactical Barrel - 9mm - 4.45" - Threaded 13.5x1 LH

    RCM

    $225.00
    RCM HK P30 9mm Tactical Barrel - Threaded 13.5x1 LH Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement barrel for the HK P30 9mm pistol,...
    HKP-16238
    $225.00
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    $225.00
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  • Out Of Stock
    New - H&K VP40 .40 S&W Tactical Barrel - Threaded 14.5x1 LH - HKP-17994 HK VP40 Tactical Barrel - Threaded 14.5x1 - LH

    HK VP40 Tactical Barrel - Threaded 14.5x1 - LH

    H&K Heckler & Koch

    $279.95
    H&K VP40 .40 S&W Tactical Barrel - Threaded 14.5x1 LH Precision made in Germany by HK, this barrel is crafted from cold hammer forged ordnance-grade steel. It represents the finest threaded factory barrel available for the HK VP40 or VP40...
    HKP-17994
    $279.95
    Out Of Stock
    Qty in Cart: 0
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    $279.95
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  • New - H&K HK P30SK/P2000SK 9mm Barrel - HKP-01558 HK P30SK, P2000SK Barrel - 9mm - 3.25"
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    HK P30SK, P2000SK Barrel - 9mm - 3.25"

    H&K Heckler & Koch

    $269.95
    P2000SK & P30SK 9mm Barrel Brand new factory HK German barrel. Compatible With: P2000 SK P30 SK
    HKP-01558
    $269.95
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    $269.95
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  • Out Of Stock
    New - HK Parts MP5SD 9mm Barrel - Threaded 18x1 - HKP-17755 HK MP5SD Barrel - 9mm - Threaded 18x1

    HK MP5SD Barrel - 9mm - Threaded 18x1

    HKP HK Parts

    $169.95
    HKP MP5SD 9mm Barrel - Threaded 18x1 Made in the USA from 416 stainless steel, this high-quality barrel undergoes the highly desirable nitride process for a super hard, durable finish. Precision milled to the latest specifications, it features...
    HKP-17755
    $169.95
    Out Of Stock
    Qty in Cart: 0
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    $169.95
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  • New - RCM HK45C/45C .45 ACP Tactical Barrel - Threaded 16x1 LH - HKP-20131 HK45C, HK45C Tactical Barrel - .45 ACP - 5.6" - Threaded 16x1 LH
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    HK45C, HK45C Tactical Barrel - .45 ACP - 5.6" - Threaded 16x1 LH

    RCM

    $250.00
    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
    $250.00
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    $250.00
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  • Thread Protector - 9mm - 13.5x1 LH - Titanium New - HKP 9mm Titanium Thread Protector - Threaded 13.5x1 LH - HKP-19724
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    Thread Protector - 9mm - 13.5x1 LH - Titanium

    HKP HK Parts

    $29.95
    HKP 9mm Titanium Thread Protector - Threaded 13.5x1 LH   This billet-machined titanium thread protector with a DLC finish fits all 13.5x1 LH-threaded barrels. Its unique design covers and protects your barrel's crown. The included O-ring ensures a...
    HKP-19724
    $29.95
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    Qty in Cart: 0
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    $29.95
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