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
HK P30, P30S Barrel - 9mm - 3.85" - BLEMISHED
H&K Heckler & Koch
Now: $229.95Was: $269.95HK P30, P30S Barrel - 9mm - 3.85" - BLEMISHED ONLY 3 UNITS AVAILABLE - VARYING CONDITION SHOWN - SOLD INDIVIDUALLY DOES NOT HAVE DATE CODE COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL...HKP-01828-BNow: $229.95Was: $269.95 -
HK416 A1, MR556 A1 Barrel Nut
Nefarious Arms
$49.95Nefarious Arms HK MR556 A1/416 A1 Barrel Nut Whether replacing a barrel nut or sourcing the best parts for your build, the Nefarious MR556/416 barrel nut is an excellent option. Meticulously crafted in the US to the highest quality standards...HKP-22279$49.95 -
On Sale
HK MP5 Barrel - .40 S&W, 10mm - Bulged - BLEMISHED
H&K Heckler & Koch
Now: $189.95Was: $579.95Heckler and Koch MP5 40/10 German Bulged Barrel - BLEMISHED MP5 40/10 BULGED barrel. Can be cut down and repurposed for a custom barrel length application. Compatible With: HK MP5 10mm / .40 S&W THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN,...HKP-99174Now: $189.95Was: $579.95 -
On Sale
HK MP5 Conversion Kit - CQT FX - Blue - 9mm - Spare Part Lot - BLEMISHED
Simunition
Now: $87.95Was: $319.95CQT 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...HKP-99054-BNow: $87.95Was: $319.95 -
On Sale
CQT FX Simunition Conversion Kit for MP5 - 9mm - Blue - USED
Simunition
Now: $97.95Was: $179.95CQT FX Simunition Conversion Kit for MP5 - 9mm - Used COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The CQT FX simunition conversion kit is in excellent,...HKP-20648-BU-BNow: $97.95Was: $179.95 -
HK MP5K Barrel - 10mm - Threaded 14x.75 with 3 Lug
RCM
$279.95RCM HK MP5K 10mm Barrel - Threaded 14x.75 Upgrade your MP5K with the RCM HK MP5K 10mm Barrel, featuring a precise 14x1.75 threading for optimal accessory compatibility. Expertly crafted to enhance performance and reliability, this barrel is perfect for...HKP-21155$279.95 -
HK MP5K PDW Barrel - 10mm - Threaded 9/16x24 with 3 Lug
USA
$299.95USA MP5K-PDW 10mm Barrel - Threaded 9/16x24 - 3-Lug This US-made MP5KN-PDW 10mm barrel is a rare barrel. Ideal for enhancing your MP5K-PDW, this barrel combines precision threading with the versatility of a 3-lug mount. Specifications: Made In The...HKP-02317$299.95 -
Out Of Stock
HK P30SK, P2000SK Fluted Barrel - 9mm - Threaded 13.5x1 - Black
HKP HK Parts
$229.95HK P30SK & P2000SK 9mm Threaded Barrel - 13.5x1 Metric - FlutedEach barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra- desirable "nitride" finish. Each enhanced barrel is...HKP-16703$229.95 -
HK53K Barrel - 5.56 / .223 - 5.3" - Threaded 15x1 RH
RCM
$164.95RCM HK53K (5.56/.223) Barrel - Threaded 15x1 RH US made 922r compliant HK53K barrel. Specifications: Made In The USA Threaded 15x1 RH Counts As 1 US Made 922r Compliant Part Cold Hammer Forged Steel (CHF) Built To HK Germany...HKP-02400$164.95 -
On Sale
HK94 Barrel - Incomplete - USED
H&K Heckler & Koch
Now: $374.95Was: $549.95Heckler and Koch HK94 Barrel - Incomplete - USED ONLY 2 UNITS AVAILABLE - VARYING CONDITION SHOWN - SOLD INDIVIDUALY USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. Genuine HK Incomplete used barrel for the...HKP-99433Now: $374.95Was: $549.95 -
On Sale
MKE AP5SD Barrel - USED
MKE
Now: $187.95Was: $249.95MKE AP5SD Barrel - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Factory MKE used barrel for MKE AP5SD. Compatible With: MKE AP5SD THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR...HKP-99432Now: $187.95Was: $249.95 -
On Sale
HK UMP Barrel - 9mm - Threaded 1/2x28 RH with 3 Lug - BLEMISHED
OMEGA
Now: $345.95Was: $449.95HK UMP9 Barrel - Threaded 1/2x28 - 3-Lug 1 UNIT AVAILABLE - AS PICTURED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Factory-style barrel for HK UMP9 pattern...HKP-99367Now: $345.95Was: $449.95