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
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 -
MG3, MG42, HK21 NOS Tripod With HK21 Adapters
DISA (Madsen)
$9,989.95NOS MG3, MG42 ground Tripod With HK21 Adapters This is a Lafette-style ground mount, dated "3/63," manufactured by DISA (Madsen) for use with MG42, MG3, and MG53 machine guns. Original Olive green paint throughout the tripod's body, and includes shoulder...HKP-99414$9,989.95 -
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 -
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 -
On Sale
HK33, HK53, HK93 Extractor - USED
H&K Heckler & Koch
Now: $48.95Was: $67.95HK33, HK53, HK93 Extractor - USED ONLY 1 UNIT AVAILABLE - AS PICTURED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. A great replacement for your HK or clone. A high wear item that can become worn,...HKP-00189-USEDNow: $48.95Was: $67.95 -
On Sale
HK416 (5.56/.223) Compensator Flash Hider - Threaded 1/2x28 - BLEMISHED
H&K Heckler & Koch
Now: $29.95Was: $39.95HK 416 (5.56/.223) Compensator Flash Hider - Threaded 1/2x28 - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Threaded 1/2x28 for use on all HK 416,...HKP-16926-BNow: $29.95Was: $39.95 -
On Sale
HK G36C Handguard - Handstop and Heatshield - FDE - BLEMISHED
HKP HK Parts
Now: $77.95Was: $109.95HK G36C Handguard - Handstop and Heatshield - FDE - BLEMISHED SHADE OF COLOR MAY VARY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. New handguard with heat...HKP-19302-FDE-BNow: $77.95Was: $109.95 -
On Sale
HK416, HK417, MR556, MR762 German E1 Convex Butt Pad - USED
H&K Heckler & Koch
Now: $47.95Was: $64.95HK416, HK417, MR556, MR762 German E1 Convex Butt Pad - USED ONLY 1 UNIT AVAILABLE - AS PICTURED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The HK Convex buttpad can be used to swap out on the...HKP-01915-USEDNow: $47.95Was: $64.95 -
On Sale
HK Ambidextrous Sling - Green - USED
H&K Heckler & Koch
Now: $93.95Was: $149.95HK Ambidextrous Sling - Green - USED ONLY 1 UNIT AVAILABLE - AS PICTURED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This sling is the factory HK Green 1.25" Ambi Sling with dual HK sling hooks...HKP-00183-USEDNow: $93.95Was: $149.95 -
On Sale
HK90 Series Cocking Tube End Cap - Aluminum - USED
HKP HK Parts
Now: $7.95Was: $12.95HK Cocking Tube End Cap - Aluminum - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. Made from weight-saving aircraft-grade aluminum alloy. US-made. Compatible With: All 90 series HK firearms and...HKP-02806-USEDNow: $7.95Was: $12.95 -
On Sale
HK91, G3 Bolt Group - Complete - Semi-Auto - USED
H&K Heckler & Koch
Now: $559.95Was: $849.95Heckler and Koch Complete Semi-Auto Bolt Group for HK91, G3 - USED ONLY 1 UNIT AVAILABLE - AS PICTURED Complete factory German semi-automatic bolt group manufactured by Heckler and Koch for HK91 and G3 pattern rifles. Intended for replacement, reference,...HKP-99389Now: $559.95Was: $849.95 -
On Sale
HK UMP40 Bolt Group - Semi-Auto - 40 S&W - USED
H&K Heckler & Koch
Now: $729.95Was: $949.95Heckler and Koch HK UMP40 Bolt Group - Semi-Auto - 40 S&W - USED ONLY 3 UNITS AVAILABLE - VARYING CONDITION SHOWN - SOLD INDIVIDUALLY Complete factory HK bolt group for semi-automatic UMP firearms chambered in .40 S&W. Intended for replacement,...HKP-99388Now: $729.95Was: $949.95