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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On Sale
HK G36, UMP Handguard Handstop - BLEMISHED
OMEGA
Now: $21.95Was: $29.95HK G36, UMP Handguard Handstop - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK G36 hand stop kit. Complete with locking block and screw. Fits any...HKP-22512-BNow: $21.95Was: $29.95 -
On Sale
Lee Sporting LS5 HK MP5 Complete Trigger Group - Semi Shelf - BLEMISHED
Lee Sporting
Now: $452.95Was: $549.95Lee Sporting LS5 HK MP5 Complete Trigger Group - Semi Shelf - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The LS5 trigger group from Lee Sporting is...HKP-20465-BNow: $452.95Was: $549.95 -
On Sale
HK G3, 91 A2 Stock - Tan - Saudi Contract - Rare
Other
Now: $168.95Was: $279.95VARYING CONDITION SHOWN - SOLD INDIVIDUALLY Original Saudi Arabian contract G3 A2 fixed stock in tan. Don't miss your chance to get a rare contract G3 stock assembly in this condition. Compatible With: HK91, G3 In spec. clones and custom builds THIS...HKP-99424Now: $168.95Was: $279.95 -
On Sale
HK MP5, HK93 Stock - MOE SL - BLEMISHED
Magpul
Now: $128.95Was: $189.95HK MP5, HK93 Stock - MOE SL - BLEMISHED INSTALLATION MARKINGS COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Magpul MOE SL-K MP5 ,HK 94, HK93...HKP-20490-BNow: $128.95Was: $189.95 -
On Sale
HK91, G3 A2 Stock - Enhanced Heavy Buffer - Like New - Rare
Other
Now: $274.95Was: $299.95Rare Saudi Arabian Contract HK91, G3 A2 Stock with HKP Enhanced Heavy Buffer - Tan - Like New VARYING CONDITION SHOWN - SOLD INDIVIDUALLY Original Saudi Arabian contract G3 A2 fixed stock in tan paired with the HKP enhanced heavy buffer for improved...HKP-99420Now: $274.95Was: $299.95 -
On Sale
HK91, G3, PTR Grip Frame SEF - Metal HK German - GUNSMITH SPECIAL
H&K Heckler & Koch
Now: $58.95Was: $189.95HK91, G3, PTR Grip Frame SEF - Metal HK German - GUNSMITH SPECIAL ONLY 1 UNIT AVAILABLE - AS PICTURED REAR IS BENT AND OUT OF SPEC THIS PART IS NOT ELIGIBLE FOR RETURN Please Note: Will require work before being functional. HKP recommends the work be...HKP-17637-BNow: $58.95Was: $189.95 -
On Sale
HK91, G3, PTR Grip Frame SEF - Metal HK German - GUNSMITH SPECIAL
H&K Heckler & Koch
Now: $58.95Was: $189.95HK91, G3, PTR Grip Frame SEF - Metal HK German - GUNSMITH SPECIAL ONLY 1 UNIT AVAILABLE - AS PICTURED REAR IS BENT AND OUT OF SPEC THIS PART IS NOT ELIGIBLE FOR RETURN Please Note: Will require work before being functional. HKP recommends the work be...HKP-17637-BL-BNow: $58.95Was: $189.95 -
HK G36, UMP Handuard Handstop
OMEGA
$29.95HK UMP and G36 Handstop HK G36 hand stop kit. Complete with locking block and screw. Fits any G36 handguard without the need of rail segment. Compatible With: All G36 Models HK SL8 HK UMP HK USCHKP-22512$29.95 -
HK21 Cylinder Head Screw - Belt Inlet
H&K Heckler & Koch
$5.95HK21 Cylinder Head Screw - Belt Inlet Replacement cylinder head screw for the HK21 belt inlet assembly, manufactured to original specifications. Ensures proper fit, secure retention, and reliable feeding operation. Compatible With: HK21 THIS CLOSEOUT...HKP-99412$5.95 -
On Sale
HK SL8, G36, Sight Rail - Incomplete - BLEMISHED
H&K Heckler & Koch
Now: $389.95Was: $598.95Heckler and Koch HK SL8, G36, Sight Rail - BLEMISHED VARYING CONDITION SHOWN - SOLD INDIVIDUALY DOES NOT INCLUDE FRONT AND REAR SIGHTS MISSING SCREWS - NO HARDWARE COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT...HKP-17718-IN-BNow: $389.95Was: $598.95 -
HK UMP, USC Recoil Rod Spring - Enhanced
HKP HK Parts
$11.95HKP Enhanced Recoil Rod Spring for HK UMP, USC Upgrade or replace your UMP recoil system with HKP's enhanced heavy recoil rod spring from HK Parts. This spring is approximately 10 percent stronger than a standard recoil spring, making it ideal for...HKP-22507$11.95 -
HK MP5, AP5 Cocking Tube Support - Steel
MKE
$69.95MP5 & HK94 All Steel Cocking Tube Support Each cocking tube support comes complete with the detent and spring installed. This part is the perfect upgrade from the cheap metal or plastic support found in clones. Compatible With: HK MP5, HK94 HK...HKP-22505$69.95