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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Out Of Stock
HK91, G3, PTR Trunnion
RCM
$64.95RCM Trunnion For The HK91/G3 Series - US Made This part is machined from ordnance grade 9310 enhanced steel and heat treated to exact HK specifications. This item is the best USA-made trunnion on the market. Machined to spec and are to the custom ground...HKP-01289$64.95 -
HK417, MR762, G28 Slim Line Retractable Buttstock
H&K Heckler & Koch
$86.95H&K HK MR762/417/G28 Slim Line Retractable Stock New From HK Germany the slim line retractable stock fits all MR762, HK 417 buffer tubes. Marked with the HK logo and issued on specialized HK 417, MR762 rifles. Compatible With: HK MR762 HK 417 HK...HKP-17135$86.95 -
HK MP5, HK94 Stock - Folding "
Choate
$219.95Choate MP5 & HK94 Folding Stock Each stock features the same quick open steel housing and folding arm found on all HK stock offerings. Each stock is backed by the manufacturer's lifetime warranty but built tough enough that you will never have to use...HKP-00171$219.95 -
HK33, HK91, G3 Triple Frame Front Sight Tower
H&K Heckler & Koch
$19.95Front Sight Tower Triple Frame G3/33 - German G3 triple frame all steel factory German front sight tower. Perfect for HK builds as well as HK-AK style sight conversions and builds. Compatible With: HK G3 HK G3K HK 93 HK 33HKP-18778$19.95 -
HK MP5, MP5K HK93, HK91, G3 Claw Mount with STANAG Adapter for Scope
H&K Heckler & Koch
$399.95HK Claw Mount With Stanag Adapter For Scope - Used (Good Condition) These parts just came in and were pulled from factory German Demilled HK G3s used in good shape. This product is no longer made or available as these are out of production, and...HKP-02387$399.95 -
HK Armorers Manual for Burst Trigger Groups
H&K Heckler & Koch
$19.95H&K Burst Trigger Group Armorers Manual This manual will help with the disassembly, repair, and maintenance of all HK burst trigger groups.HKP-00102$19.95 -
HKP (5.56/.223) & (7.62/.308) Muzzzle Brake Compensator - Threaded 15x1 RH
HKP HK Parts
$29.95HKP (5.56/.223) & (7.62/.308) Muzzzle Brake Compensator - Threaded 15x1 RH This compensator is perfect for any 15x1 RH Barrel. Specifications: Threaded 15x1 RH Compatible With: HK G3/91/PTR HK 93/53/33 HK MR223 HK 416/MR556 HK 417/MR762 HK...HKP-19738$29.95 -
HK90 Series Compression Spring for Shifter Rod on Burst Trigger Packs
H&K Heckler & Koch
$10.95H&K Burst Trigger Pack Compression Rod Spring Burst pack compression spring for compression rod found in all HK Burst Trigger Packs. This part, along with the compression rod, is the number one most common wear or breakage parts in HK Burst Packs...HKP-16199$10.95 -
HK91, G3 Complete Tactical Folding Stock
Choate
$179.95HK91, G3, & PTR Folding Stock With Adjustable Length Of Pull - Tactical Stock This stock is adjustable by two inches when using the innovative spacer system. It comes fully assembled and ready to drop on your favorite HK. The adjustable length system...HKP-01951$179.95 -
On Sale
HK MP5, MP5K Hammer Spring - 9mm - US
MKE
Now: $3.89Was: $5.89MKE MP5/MP5K, AP5 Hammer Spring MKE MP5/AP5 replacement hammer spring. Worn hammer springs can cause light primer strikes and misfires. A great part to load up on for years of trouble free shooting. Crafted per HK specifications by MKE...HKP-22224Now: $3.89Was: $5.89 -
HK MP5, HK94 Case Deflector Rivet
H&K Heckler & Koch
$9.95H&K MP5, HK94 Case Deflector Rivet Each case deflector, US or German-made, will require two rivets to attach the case deflector to the receiver or flat. If you want the factory look and feel of doing it right, these rivets are a must-have. These are...HKP-00147$9.95 -
HK UMP Barrel - .45 ACP - 7.87" - Threaded 16x1 LH
HDPS
$349.95HK UMP & USC 45 ACP 8" Threaded Barrel HDPS UMP barrels are perfect for the USC to UMP conversions and a replacement UMP .45 barrel. They are considered by many to be the finest US-made barrel available. This barrel is the same length as a factory HK...HKP-02634$349.95