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 MP5, AP5 Magazine Catch Push Button
MKE
$6.95HK MP5, AP5 Magazine Catch Button Push button for magazine catchCompatible with: HK MP5, SP5 HK MP5K, SP5K HK SP89 HK94 HK33, HK53, HK93 HK91, G3 In-spec. clones and custom buildsHKP-22548$6.95 -
HK MP5 A3 Retractable Buttstock Lever Rebuild Kit
H&K Heckler & Koch
$49.95Heckler and Koch Lever Rebuild Kit for A3 Retractable Buttstocks Rebuild kit for worn out or to complete A3 retractable stocks with metal back plate Compatible with: MP5 HK33 HK91, G3HKP-22547$49.95 -
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
HK MP5K, SP89 Trigger Housing - SEF - Push Pin - USED
H&K Heckler & Koch
Now: $199.95Was: $359.95Heckler and Koch HK MP5K, SP89 Trigger Housing - SEF - Push Pin - USED VARYING DONDITION SHOWN - SOLD INDIVIDUALLY USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. Upgrade your HK MP5K or SP89 with this SEF...HKP-16551-USEDNow: $199.95Was: $359.95 -
HK UMP, USC Front Sight - Omega
OMEGA
$9.95Omega UMP And USC Front Sight Front sight for HK UMP and HK USC Compatible With: UMP USCHKP-22513$9.95 -
On Sale
HK MP5 Locking Piece - 100 Degree - USED
H&K Heckler & Koch
Now: $65.95Was: $89.95HK MP5, HK94 100 Degree Locking Piece - USED MP5 100 degree used locking piece.HKP-00668-USEDNow: $65.95Was: $89.95 -
On Sale
HK G36, G36C, G36K Magwell - FDE - BLEMISHED
HKP HK Parts
Now: $28.95Was: $39.95HK G36, G36C, G36K Magwell - 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. Allows use of all factory G36 and Magpul G36...HKP-19300-FDE-BNow: $28.95Was: $39.95 -
On Sale
HK SL8 to G36 Conversion Kit - Incomplete - BLEMISHED
Special Weapons
Now: $139.95Was: $319.95HK SL8 to G36 Conversion Kit - Incomplete - BLEMISHED VARYING CONDITION SHOWN - SOLD INVDIVIDUALLY DOES NOT INCLUDE STOCK OR AR-STYLE MAGAZINE ADAPTER. Will REQUIRE ADDITIONAL MACHINING TO THE STOCK: HINGE, BUTTON LOCKING SECTION, AND INDEX PLATE HOLE...HKP-99394Now: $139.95Was: $319.95 -
Out Of StockOn Sale
HK MP5K, SP89, SP5K End Cap with Sling Swivel - 9mm - HK - USED
H&K Heckler & Koch
Now: $63.95Was: $99.95HK MP5K, SP89, SP5K End Cap with Sling Swivel - 9mm - HK - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Each pistol end cap is OEM HK German MP5K and MP5K-N and has the HK German factory buffer...HKP-00394-USEDNow: $63.95Was: $99.95 -
HK MP5KSD Barrel - 9mm - 4.89″- Threaded 18x1
RCM
$174.95HK MP5KSD Barrel - 9mm - 4.89″- Threaded 18x1 The RCM HK Style MP5 SD-K Barrel measures 4.890 inches in length and is constructed from 41v50 cold hammer-forged steel. It features a salt bath nitride finish throughout. This barrel is designed based...HKP-22493$174.95 -
HK MP5, MP5K, MKE AP5, AP5-P Case Deflector - 9mm Receivers
MKE
$24.95MKE AP5, AP5-P, HK MP5, MP5K Case Deflector for 9mm Receivers This steel case deflector is manufactured by MKE for AP5 firearms and fits MP5-pattern 9mm receivers. It installs on the ejection-port flat of the receiver and is riveted or welded in place to...HKP-99349$24.95 -
HK91, G3, HK33, HK53, HK93 Paddle Magazine Release - Anti-Rattle
MKE
$32.95MKE Anti Rattle Paddle Magazine Release for HK91, HK G3s and HK33, HK53, HK93 Upgrade your rifle with MKE's anti-rattle style paddle mag release. Compatible With: HK91, G3 HK33, HK53, HK93 PSG1, MSG90 In-spec clones and custom buildsHKP-99348$32.95