HK Rifle / SMG Parts
Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!
Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.
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HK21E, HK23E Rear Sight Windage Drum
H&K Heckler & Koch
$89.95HK 21E, 23E Rear Sight Windage Drum Factory HK rear sight windage drum. New old stock and out of production. Only a few units available. Compatible With: HK 21E HK 23E HK 13EHKP-99351$89.95 -
HK91, G3, HK93 Anti-Rattle Mag Release
MKE
$32.95MKE Anti Rattle Paddle Magazine Release Upgrade your rifle with MKE's anti-rattle style paddle mag release. Compatible With: HK G3, HK91 HK33, HK53, HK93 HK PSG1, MSG90 In-spec clones and custom buildsHKP-99348$32.95 -
HK MP5K, AP5-P End Cap - Incomplete
MKE
$27.95MKE MP5K, AP5-P - Incomplete MKE manufactured replacement end cap. This end cap does not include the buffer, hardware, or sling swivel. Compatible With: HK MP5K HK SP89 HK SP5K Century AP5-P, AP5-MHKP-22472$27.95 -
HK416, MR556 A4 Hammer Washer
H&K Heckler & Koch
$58.95Heckler and Koch Hammer Washer for HK MR556 OEM hammer washer for HK MR556 and HK416 rifles. Factory-spec replacement washer for the hammer assembly, ideal for repairs, rebuilds, or returning rifles to original HK configuration. Compatible...HKP-22434$58.95 -
HK MP5, MP5K, HK416, MR556 Flash Hider - 1/2x28 - Taper Mount
JMAC Customs
$116.951/2x28 - Plan B Taper Mount Flash Hider for MP5, HK416, MR556, APC223 The 360HD is the latest evolution in JMac Custom's Recoil Reduction Device (RRD) family of muzzle brakes, designed to meet the needs of serious shooters and...HKP-22408$116.95 -
HK G3, HK417, HK33, HK53, HK93 Flash Hider - 5/8x24 - Plan B Taper Mount
JMAC Customs
$116.955/8x24 - Plan B Taper Mount Flash Hider for HK G3, HK417, HK33, HK53, HK93 The 360HD is the latest evolution in JMac Custom's Recoil Reduction Device (RRD) family of muzzle brakes, designed to meet the needs of serious shooters...HKP-22412$116.95 -
HK416, MR556 Pistol Grip - Walnut
JMK
$78.95JMK HK416, MR556 pistol grip - Walnut The pistol grip by JMK is made from CNC-machined black walnut. After machining, the grip is dyed to ensure a uniform color and is finished with a catalyzed satin seal. These grips are compatible with any firearm that...HKP-22400-M$78.95 -
HK416, MR556 Handguard - 12.5" - M-LOK - FDE
H&K Heckler & Koch
$429.95H&K HK MR556/HK416 12.5" M-LOK Compatible Handguard Manufactured by HK from aircraft grade aluminum with a hard coat anodized finish, this M-LOK handguard is designed for the Heckler & Koch MR556 & HK 416 rifles chambered in 5.56x45mm and ...HKP-99323$429.95 -
HK417, MR762 Upper Receiver and Handguard - Flecktarn
H&K Heckler & Koch
$1,489.95HK417, MR762 Upper Receiver and 13.5" Handguard - Flecktarn Factory HK MR762 matching flecktarn upper receiver and 13.5" handguard. ONLY 3 SETS AVAILABLE AND WILL NOT BE RESTOCKED Compatible With: HK MR762 HK417HKP-99325$1,489.95 -
On Sale
HK21E, HK11A1, HK11E Barrel - 7.62 / .308 - 17.7" - Threaded 15x1
Michaels Machines
Now: $994.95Was: $1,168.95MM 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 stripped, requiring a flash hider or muzzle device and barrel handle...HKP-22333Now: $994.95Was: $1,168.95 -
On Sale
HK21 Barrel - 7.62 / .308 - 17.7" - Threaded 15X1
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 -
On Sale
Skeleton Stock 8" - SS-8 - INCOMPLETE - BLEMISHED
JMAC Customs
Now: $209.95Was: $284.99JMAC Customs SS-8 - INCOMPLETE - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED MISSING 1913 FOLDING MECHANISM COSMETICALLY BLEMISHED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Skeleton stock 8" 2x...HKP-20146-BNow: $209.95Was: $284.99