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
HK21 Barrel Handle with Insert -7.62x51, .308, 5.56, .223 - USED
H&K Heckler & Koch
Now: $68.95Was: $99.95HK21 Barrel Handle with Insert -7.62x51, .308, 5.56, .223 - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. Factory German upgrade for HK21 barrel handles Compatible With: HK21 THIS CLOSEOUT PART IS...HKP-99431Now: $68.95Was: $99.95 -
On Sale
HK91 Barrel with Trunnion and Sight Tower - USED
H&K Heckler & Koch
Now: $489.95Was: $749.95HK91 Factory Barrel with Trunnion and Sight Tower - USED REMOVED FOR CONVERSION USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Used HK91 factory barrel. Installed trunnion and sight tower with sight...HKP-99428Now: $489.95Was: $749.95 -
On Sale
HK33, HK93 Factory Barrel with Trunnion - USED
H&K Heckler & Koch
Now: $579.95Was: $799.95HK33, HK93 Factory Barrel with Trunnion - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Used factory German HK HK33 NIW barrel with trunnion installed. Factory-installed sight tower with sight...HKP-99427Now: $579.95Was: $799.95 -
On Sale
HK MP5, SP5K Optic Mount - Trijicon RMR - 6.5 MOA - BLEMISHED
Trijicon
Now: $519.95Was: $619.95HK MP5, SP5K Optic Mount - Trijicon RMR - 6.5 MOA - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED MISSING BATTERY COVER - INSTALLATION MARKINGS COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL...HKP-20734-BNow: $519.95Was: $619.95 -
On Sale
HK MP5K, SP89, SP5K Handguard with Handstop - USED
HKP HK Parts
Now: $20.95Was: $29.95HK MP5K, SP89, SP5K Handguard with Handstop - USED ONLY 1 UNIT AVALABLE - AS PICTURED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. Each forearm will fit the MP5K or SP89 style of firearms. As an added...HKP-16466-BLK-USEDNow: $20.95Was: $29.95 -
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
HK MP5 Trigger Housing - 9mm - SEF - Contoured - Push Pin - BLEMISHED
H&K Heckler & Koch
Now: $199.95Was: $249.95Heckler and Koch HK MP5 Trigger Housing - 9mm - SEF - Contoured - Push Pin - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES...HKP-99422Now: $199.95Was: $249.95 -
On Sale
HK MP5 - Trigger Housing - 3 Position - Burst - Push Pin - BLEMISHED
H&K Heckler & Koch
Now: $199.95Was: $224.95HK MP5 - Trigger Housing - 3 Position - Burst - Push Pin - BLEMISHED ONLY 3 UNIT AVAILABLE - VARYING CONDITION SHOWN - SOLD INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL...HKP-99421Now: $199.95Was: $224.95 -
On Sale
HK MP5 Binary Trigger Housing - 10mm and .40 S&W - Ambi - 3 Position - BLEMISHED
H&K Heckler & Koch
Now: $176.95Was: $249.95Heckler and Koch HK MP5 Binary Trigger Housing - 10mm and .40 S&W - Ambi - 3 Position - Push Pin - BLEMISHED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR...HKP-99418Now: $176.95Was: $249.95 -
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