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 MP5, SP5 Handguard - Slimline Style - GUNSMITH SPECIAL
HKP HK Parts
Now: $15.98Was: $27.95MKE AP5/MP5 Slimline Handguard - GUNSMITH SPECIAL HOLES DO NOT ALIGN - NEEDS MODIFICATION THIS PART IS SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Please Note: Will require work before being functional. HKP...HKP-22222-BNow: $15.98Was: $27.95 -
On Sale
HK MP5, AP5 Front Sight Tower - CRACKED - GUNSMITH SPECIAL
MKE
Now: $9.95Was: $49.95MKE AP5, MP5 Front Sight Tower - CRACKED - GUNSMITH SPECIAL SOLD INDIVIDUALLY - CRACKED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Please Note: Will require...HKP-22220-BL-BNow: $9.95Was: $49.95 -
HK MP5, AP5 Recoil Rod
MKE
$64.95MKE HK MP5, AP5 Steel Recoil Rod Turkish-made steel recoil rod for MP5-style firearms. OEM-quality part that replaces worn or bent recoil rods and is designed to help restore smooth cycling and proper bolt movement on 9mm MP5 and AP5 roller-delayed...HKP-99343$64.95 -
On Sale
HK MP5, AP5 SEF Trigger Pack Housing - Semi Auto
MKE
Now: $84.95Was: $124.95MKE HK MP5/AP5 SEF Trigger Pack Housing MKE trigger pack Housing for semi-auto SEF trigger housing. OEM part for Century AP5. Compatible With: HK MP5, MP5K with SEF housing Century Arms AP5, AP5-P with SEF housingHKP-22259Now: $84.95Was: $124.95 -
On Sale
HK SP5 Trigger Housing - 2 Position 0,1 - Used
Now: $59.95Was: $99.95HK SP5 2 Position Trigger Housing - USED CONDITION WILL VARY - SEE PHOTOS FOR EXAMPLES - SOLD INDIVIDUALLY Used 2 position (0,1) trigger housing for the SP5. Compatible With: SP5 THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE. ...HKP-99273Now: $59.95Was: $99.95 -
On Sale
HK UMP Magazine - 25 Round - .45 ACP - German LEO Markings - USED
H&K Heckler & Koch
Now: $89.95Was: $149.95HK Heckler and Koch .45 ACP 25 Round Magazine with German LEO Markings in Used, BLEMISHED condition for HK UMP VERYING CONDITION SHOWN - SOLD INDIVIDUALLY USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL...HKP-17917-USEDNow: $89.95Was: $149.95 -
HK MP5 UCS Stock and Adapter
HKP HK Parts / Magpul
$317.95HK MP5 Magpul UCS Stock with Adapter The HK Parts UCS adapter and stock for the MP5 pairs our proven stock adapter with Magpul's UCS stock for a compact, adjustable configuration. The UCS stock features a reversible hinge for left and right folding...HKP-22197$317.95 -
HK91, G3 A3 Retractable Buttstock - New Old Stock
H&K Heckler & Koch
$1,345.95Heckler and Koch HK91, G3 A3 Retractable Stock - New Old Stock Genuine HK A3 retractable stock the HK91 or G3. These are original HK production units that have been out of manufacture for years, making remaining NOS increasingly rare. Compatible...HKP-22104$1,345.95 -
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - 10 Pack - Cerakoted
KCI
$349.95KCI 30 Round MP5 9mm Magazine - 10 Pack Get reliable performance and a splash of style with the KCI 30 Round MP5 9mm Magazine 10-Pack. Cerakoted for durability, this pack includes two magazines in each of five distinct colors—perfect for quick...HKP-22066$349.95 -
HK416 A5, MR556 A4 Gas Block Spring
H&K Heckler & Koch
$19.95HK Heckler and Koch HK416 A5, MR556 A4 Gas Block Spring German-made gas block spring for the HK MR556 A4 and HK416 A5. Compatible With: MR556 A4 HK416 A5HKP-22060$19.95 -
HK MR556, MR762 A4 Disconnector
H&K Heckler & Koch
$18.95H&K MR556/MR762 A4 Disconnector Factory H&K disconnector for use in MR556 A4 and MR762 A4 platforms. Compatible With: HK MR556 A1/A4 HK MR762 A1/A4HKP-21969$18.95 -
HK MR762 A4 Charging Handle
H&K Heckler & Koch
$199.95H&K MR762 A4 Charging Handle Upgrade your MR762 or HK417 style rifle with this factory H&K ambidextrous charging handle, engineered for smooth, reliable operation from either side. Built to Heckler & Koch’s exacting standards, this...HKP-21967$199.95