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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  • On Sale
    New - HKP MP5K Enhanced SD Shroud - HKP-00849 HK MP5KSD, SP89 Barrel Shroud - Enhanced
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    HK MP5KSD, SP89 Barrel Shroud - Enhanced

    HKP HK Parts

    Now: $95.96
    Was: $119.95
    HK Parts MP5K SD Barrel Shroud For SP89 and MP5K Conversion Our MP5K SD shroud is a the best option for those who want to build a custom MP5K SD model. Made in the USA.
    Now: $95.96
    Was: $119.95
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    Now: $95.96
    Was: $119.95
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  • On Sale
    New - H&K P30/P30S 9mm Tactical Barrel - Threaded 13.5x1 LH - HKP-16851 HK P30, P30S Tactical Barrel - 9mm - 4.48" - Threaded 13.5x1 LH
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    HK P30, P30S Tactical Barrel - 9mm - 4.48" - Threaded 13.5x1 LH

    H&K Heckler & Koch

    Now: $247.45
    Was: $274.95
    H&K P30/P30S 9mm Tactical Barrel - Threaded 13.5x1 LH New factory OEM German barrel mande at the HK factory from HK German Cold Hammer Forged barrel blanks, heat treated and finished to HK specs. This is the finest threaded barrel available for the...
    Now: $247.45
    Was: $274.95
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    Now: $247.45
    Was: $274.95
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  • On Sale
    New - Barrel Nut - HK 416, MR556 - Stainless Steel - HKP-17334 HK 416, MR556 Barrel Nut - Stainless Steel
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    HK 416, MR556 Barrel Nut - Stainless Steel

    HKP HK Parts

    Now: $31.96
    Was: $39.95
    HK MR556, HK 416 Barrel Nut or Socket For Barrel - Stainless Steel A must have repair and replacement part for removal or when you have any work done to your barrel as the barrel nut may become damaged in the removal and installation processes. Made in...
    Now: $31.96
    Was: $39.95
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    Was: $39.95
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  • On Sale
    New - HKP HK MR556/416 Barrel Nut Installation/Removal Tool - HKP-17327 HK416, MR556 Barrel Nut Installation/Removal Tool
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    HK416, MR556 Barrel Nut Installation/Removal Tool

    HKP HK Parts

    Now: $47.96
    Was: $59.95
    HK 416, MR556 Barrel Nut Installation & Removal Tool New US manufactured barrel nut removal and installation tool. Each tool has the provision installed to allow the use of an off the shelf 1/2" torque wrench to be used while removing and installing...
    Now: $47.96
    Was: $59.95
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    Was: $59.95
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  • Out Of Stock
    New - B&T HK MP5SD 9mm Barrel - Threaded 18x1 RH - HKP-17957 HK MP5SD Barrel - 9mm - 5.75" - Threaded 18x1 RH

    HK MP5SD Barrel - 9mm - 5.75" - Threaded 18x1 RH

    B&T Brugger & Thomet

    $449.95
    B&T HK MP5SD 9mm Barrel - Threaded 18x1 RH New from B&T Switzerland, this cold hammer forged (CHF), ported, and nitrided barrel is designed to meet factory HK specifications exclusively for MP5SD models. With a long-standing relationship with...
    $449.95
    Out Of Stock
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    $449.95
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  • Out Of Stock
    On Sale
    New - H&K Barrel Retaining Pin - 5.15mm - HKP-01662 HK Barrel Retaining Pin - 5.15mm

    HK Barrel Retaining Pin - 5.15mm

    H&K Heckler & Koch

    Now: $13.46
    Was: $14.95
    H&K Barrel Retaining Pin - 5.15mm This is the barrel pin used for installing a new or replacement barrel. HK suggests using a new factory barrel pin when installing or reinstalling an HK barrel in the trunnion. Each pin is slightly oversized for...
    Now: $13.46
    Was: $14.95
    Out Of Stock
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    Now: $13.46
    Was: $14.95
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  • On Sale
    New - HDPS HK UMP/USC (.45 ACP) Flanged Barrel - 8" - HKP-02130
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    HK UMP, USC Barrel - Flanged - .45 ACP - 8"

    HDPS

    Now: $296.95
    Was: $329.95
    HDPS HK UMP 45 ACP 8 Inch Barrel - Flanged HDPS UMP barrels are perfect for the USC to UMP conversions and for a replacement UMP .45 barrel.  Each barrel is an exact reproduction with all HK German specs. As a bonus, this item counts as 1 of the 3...
    Now: $296.95
    Was: $329.95
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    Now: $296.95
    Was: $329.95
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  • Out Of Stock
    On Sale
    New - RCM HK VP9SK 9mm Tactical Barrel - Threaded 1/2x28 - HKP-19258 HK VP9SK Tactical Barrel - 9mm - Threaded 1/2x28

    HK VP9SK Tactical Barrel - 9mm - Threaded 1/2x28

    RCM

    Now: $202.50
    Was: $225.00
    RCM HK VP9SK 9mm Tactical Barrel - Threaded 1/2x28 Each VP9SK Tactical barrel is machined from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement barrel for the HK VP9SK 9mm...
    Now: $202.50
    Was: $225.00
    Out Of Stock
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    Now: $202.50
    Was: $225.00
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  • On Sale
    New - RCM HK MP5 / 416 .22LR Rifle Barrel-16.1" - HKP-21407 HK MP5 , HK416 Barrel - .22LR - 16.1"
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    HK MP5 , HK416 Barrel - .22LR - 16.1"

    RCM

    Now: $179.95
    Was: $199.95
    RCM HK MP5 / 416 .22LR Rifle Barrel This is the first and only offering of a replacement barrel for the HK .22LR platforms.  Replacing the barrel previously required sending the receiver to H&K and having the assembly returned to an FFL. ...
    Now: $179.95
    Was: $199.95
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    Now: $179.95
    Was: $199.95
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  • On Sale
    New - RCM HK VP9L 9mm Tactical Barrel - Threaded 1/2x28 RH - HKP-19203 HK VP9L Barrel - 9mm - 5.6" - Threaded 1/2x28 RH
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    HK VP9L Barrel - 9mm - 5.6" - Threaded 1/2x28 RH

    RCM

    Now: $236.25
    Was: $262.50
    RCM HK VP9L 9mm Tactical Barrel - Threaded 1/2x28 RH 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 VP9L 9mm pistol,...
    Now: $236.25
    Was: $262.50
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    Now: $236.25
    Was: $262.50
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  • On Sale
    New - H&K HK MR556/416 10.4" Vented Upper Gas Block - HKP-18056 HK416, MR556 Vented Upper Gas Block - 10.4"
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    HK416, MR556 Vented Upper Gas Block - 10.4"

    H&K Heckler & Koch

    Now: $125.95
    Was: $139.95
    H&K HK MR556/416 10.4" Complete Vented Upper Gas Block New HK German manufacture newest "VENTED" version direct from HK Germany. Great upgrade part for existing 10.4" uppers that have the older style non-vented gas block or to use on the MR556 and HK...
    Now: $125.95
    Was: $139.95
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    Now: $125.95
    Was: $139.95
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  • Out Of Stock
    On Sale
    New - B&T HK MP5K/SP5K/SP89 Barrel - Threaded 1/2x28 - 3-Lug - HKP-17894 HK MP5K, SP89, SP5K Barrel - 5.85" - Threaded 1/2x28 with 3 Lug

    HK MP5K, SP89, SP5K Barrel - 5.85" - Threaded 1/2x28 with 3 Lug

    B&T Brugger & Thomet

    Now: $315.00
    Was: $350.00
    B&T HK MP5K/SP5K/SP89 Barrel - Threaded 1/2x28 - 3-Lug New from B&T Switzerland, cold hammer-forged (CHF), properly fluted & nitrided MP5K/SP5K barrels manufactured exclusively for the HK SP5K. New Swiss manufactured from hand-picked Swiss...
    Now: $315.00
    Was: $350.00
    Out Of Stock
    Qty in Cart: 0
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    Now: $315.00
    Was: $350.00
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