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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HK417, MR762 14.7" Modular Rail System
H&K Heckler & Koch
$479.95HK MR762, CR762 & HK 417 14.7" Extended Modular Rail System (MRS) - Rare New HK German modular rail system for the HK MR762. Each unit comes with 2 X 5 slot rails attached on the HKey attachment system as well as all hardware for attachment. This is...HKP-17343$479.95 -
Out Of Stock
HK417, MR762 Charging Handle Latch Spring
H&K Heckler & Koch
$9.95H&K HK MR762/417 Charging Handle Latch Spring This is the charging handle release latch spring. Compatible With: HK MR762 HK 417HKP-16600$9.95 -
Out Of StockOn Sale
HK416, MR556 Quad Rail - 7" - M-LOK
HKP HK Parts
Now: $127.95Was: $199.95HKP 7" M-LOK Quad Rail Compatible With: HK 416 HK MR556HKP-17986Now: $127.95Was: $199.95 -
Out Of Stock
HK416, MR556 Rear Sight Drum for 10" Barrels
HKP HK Parts
$29.95HKP HK MR556/416 Rear Sight Drum 10" Barrel Length Made in the USA.HKP-17774$29.95 -
$7.95 -
HK G36 Magazine - 10 Round - Factory - FDE
H&K Heckler & Koch
$87.95HK G36 10 Round Magazine in Flat Dark Earth (FDE) Compatible With: G36 G36K G36C Double Stack Capacity Magwell Converted SL8's Specifications: Capacity: 10-rounds Condition: New, rare find Manufacturer: HK GermanyHKP-18727$87.95 -
Out Of Stock
HK UMP, USC Extractor - 9mm
USA
$39.95New US-Made USC & UMP 9mm Extractor: This is the perfect spare part for your UMP or USC 9mm conversion. Please Note: HK considers this a high wear and replacement item. Once it's removed from the carrier, the spring tension...HKP-02625$39.95 -
HK UMP, G36 Burst Lower Slide (0,1,2) - .40 S&W / .45 ACP / 9mm / 5.56 / .223
H&K Heckler & Koch
$14.95HK G36 & UMP Slide For 3 Position Burst Only Lowers - 0,1,2 Only Compatible With: HK UMP HK G36HKP-01887$14.95 -
HK UMP Magazine Follower - .40 S&W
H&K Heckler & Koch
$9.95HK UMP 30 Round Magzine Follower .40 S&WHKP-01901$9.95 -
HK UMP, USC, SL8, G36 Fixed Rear Sight Flat Spring
H&K Heckler & Koch
$8.95HK G36, SL8 & USC, UMP Fixed Rear Sight Flat Spring Compatible With: G36 SL8 USC. 45 UMP 9mm UMP .40 UMP .45HKP-16635$8.95 -
On Sale
HK UMP Caliber Conversion to .40 S&W Kit - 7.87" Barrel - 30 Round Magazine
Michaels Machines
Now: $849.95Was: $999.95HK UMP 40 Caliber Conversion Kit With this UMP Conversion kit, UMP .45 sub guns can be converted to .40 caliber. Machined bolt carriers are available for USC/UMP conversion sub guns. This is a simple drop-in conversion. The time required to change...HKP-18754Now: $849.95Was: $999.95 -
Out Of Stock
HK21E, HK23E 4 Position Trigger Housing
H&K Heckler & Koch
$0.00H&K 21E/23E (7.62x51/.308 & 5.56/.223) 4 Position Trigger Housing This 4 position trigger housing is designed for factory HK21E and HK23E firearms. It is an excellent spare to have on hand for your HK belt-fed firearm, providing reliable...HKP-00248$0.00