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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HK G36 Piston Rod Plate
H&K Heckler & Koch
$7.95Heckler and Koch Piston Rod Plate for HK G36 Constructed from steel with a black finish, this factory original part from HK is manufactured in Germany and designed for HK G36 rifle models chambered in 5.56 / .223. The plate is part of the piston rod...HKP-01871$7.95 -
PTR32 Barrel - 7.62x39 - 16" - Threaded 5/8"x24 - KFR
PTR
$249.95PTR-32 (7.62x39) KFR Barrel - 16 Inch 16.35" Stress relieved, tapered contour, threaded 5/8" x 24, twist 1 in 10" RH Specifications: 16.25" overall length Chambered in 7.62x39mm Fully Fluted with 12 flutes Match grade Please Note: PTR barrels...HKP-02200$249.95 -
On Sale
HK33, HK93 Barrel - 300 BLK - 16.1" - Threaded 5/8x24
RCM
Now: $198.95Was: $234.95NCM HK33/93 .300 BLK 16.125 Inch Barrel - Threaded 5/8x24 Each barrel was designed for use with the wildly popular AAC style quick detach muzzle breaks and cans in the 5/8x24 thread pitch. Although, this barrel is perfect for just about any .300 BLK...HKP-17392Now: $198.95Was: $234.95 -
HK P2000 Barrel - .40 S&W - 3.62"
H&K Heckler & Koch
$239.95HK factory German P2000 .40 SW 3.62" Barrel Specifications: .40 S&W Caliber 3.62 inches Genuine Heckler and Koch PartHKP-01127$239.95 -
HK G36 Piston Rod
H&K Heckler & Koch
$55.95Heckler and Kock Gas Piston Rod for HK G36 A must have item for HK G36C conversions from SL8's or for spares for your G36C. New HK German factory part. Compatible with: G36HKP-16539$55.95 -
On Sale
HK MP5 Thread Protector Cap - .40 S&W, 10mm - 14x.75 - USED
H&K Heckler & Koch
Now: $34.95Was: $49.95H&K Heckler and Koch's Thread Protector Cap Threaded 14x.75 - USED for MP5 .40, 10 ONLY 4 UNITS AVAILABLE - AS PICTURED Priced for ONE cap - Condition Varies by Unit - Each unit Sold INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL...HKP-00422-BNow: $34.95Was: $49.95 -
HK CC9 Barrel - 9mm - 3.32" - Standard
H&K Heckler & Koch
$174.95H&K CC9 Standard Barrel Made by H&K, this standard barrel for the H&K CC9 pistol provides precise chambering and consistent accuracy. Compatible With: HK CC9HKP-22127$174.95 -
On Sale
Thread Protector - .40 S&W - 9/16x24 - Titanium
HKP HK Parts
Now: $19.95Was: $24.95HKP .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,...HKP-17976Now: $19.95Was: $24.95 -
$439.95 -
Out Of Stock
HK416, MR556 Upper 8" 416C Style Conversion Kit
HKP HK Parts
$1,285.95Upper Conversion Kit for HK416 and MR556 8 inch barrel - HK 416C Style Finally an answer for all of those that have been wanting as close to the original, rare unicorn of a find HK 416C 8" barrel conversion kit for 416 or MR556. Each conversion kit...HKP-18629$1,285.95 -
On Sale
HK21E, HK11A1, HK11E Barrel With Grip - 17.7"
Michaels Machines
Now: $1,330.95Was: $1,478.95MM HK21E, HK11A1, HK11E Barrel - 17.7" Michael's Machines HK21E barrels are crafted in the US from 41V50 CHF blanks and fully nitrided for optimal corrosion resistance. Barrels come complete, drop-in ready with a new factory flash hider and fully...HKP-22540Now: $1,330.95Was: $1,478.95 -
On Sale
HK21 Barrel - 17.7" - Threaded 15X1 - 7.62x51 / .308
Michaels Machines
Now: $994.95Was: $1,189.95MM HK21 Barrel - 17.7" - CHF Michael's Machines HK21 barrels are crafted in the US from 41V50 CHF blanks and fully nitrided for optimal corrosion resistance. Barrels come stripped, requiring a flash hider/muzzle device and barrel handle assembly (all...HKP-22332Now: $994.95Was: $1,189.95