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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HK MP5K, SP5K Trigger Group - Single Stage - SSTG
Magpul
$669.95SSTG Magpul trigger group The Single Stage Trigger Group is a blend between the past and future. The trigger pack begins life as a factory German trigger pack before being professionally converted into a semi-auto trigger pack. After the conversion, each...HKP-22522-M$669.95 -
On Sale
Micro Dot Sight - Red and Green - Low Profile - BLEMISHED
AIM
Now: $34.95Was: $59.95Micro Dot Sight - Red and Green - Low Profile - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. For those that require a good, reliable, well made optic...HKP-16209-BNow: $34.95Was: $59.95 -
On Sale
HK94 Barrel - Incomplete - USED
H&K Heckler & Koch
Now: $374.95Was: $549.95Heckler and Koch HK94 Barrel - Incomplete - USED ONLY 2 UNITS AVAILABLE - VARYING CONDITION SHOWN - SOLD INDIVIDUALY USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. Genuine HK Incomplete used barrel for the...HKP-99433Now: $374.95Was: $549.95 -
On Sale
MKE AP5SD Barrel - USED
Other
Now: $187.95Was: $249.95MKE AP5SD Barrel - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Factory MKE used barrel for MKE AP5SD. Compatible With: MKE AP5SD THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR...HKP-99432Now: $187.95Was: $249.95 -
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 -
Out Of StockOn Sale
HK416, MR556 Takedown Pin - Front - A4 Style - BLEMISHED
H&K Heckler & Koch
Now: $15.95Was: $26.95HK416, MR556 Takedown Pin - Front - A4 Style - 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 HK416 front takedown pin is a German-made component...HKP-21862-BNow: $15.95Was: $26.95 -
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 UMP Magazine Body - .45 ACP - 25 Round - LEO Marked - USED
H&K Heckler & Koch
Now: $73.95Was: $149.95HK UMP Magazine Body - .45 ACP - 25 Round - LEO Marked - USED ONLY 1 UNIT AVAILABLE - AS PICTURED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. Used PD trade-in factory 25 round magazine body with HK...HKP-99426Now: $73.95Was: $149.95 -
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