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 Single Point Sling - ACU Digital Camo
HKP HK Parts
$29.95HKP Single Point Sling - ACU Digital Camo HK single-point bungee sling for use on all HK & other firearm applications. This super high-quality sling is a must-have for those who prefer operating with a single-point sling over the traditional 3-point...HKP-15041$29.95 -
HK91, G3 Extractor - Enhanced Coated Polish
HKP HK Parts
$24.95HKP HK 91/G3 Extractor - Enhanced Coated Polish Built for dependable performance, this polished and coated extractor delivers smooth cycling and consistent extraction. A great choice for both upgrades and routine replacements. Compatible With: HK...HKP-22182-M$24.95 -
HK MP5, G3, HK93 Flat Trigger - Skeletonized
HKP HK Parts
$68.95HKP 90 Series Flat Trigger - Skeletonized - USA The HK Parts skeletonized flat trigger for 90 series firearms offers improved control, reduced weight, and a modern look. Precision-machined from ordnance-grade billet steel with a QPQ nitride finish for...HKP-21580$68.95 -
Out Of Stock
HK MP5 to MP5SD Front End Conversion Kit
DTAC Dakota Tactical
$1,299.95Dakota Tactical HK MP5SD Front End Kit If you have wanted to convert that MP5 or SP5 to an SD but didn't know where to start, look no further. Our kit provides all necessary components (aside from suppressor) to do so. With a DTAC Cage and SD guard...HKP-21318$1,299.95 -
On Sale
HK V51 Backplate
HKP HK Parts
Now: $99.95Was: $167.95HKP V51 Backplate HK Parts brings you a long lost part that was no longer available till now. The Vector Arms V51 firearms was one of the most aclaimed PDW of its time but replacement parts have become difficult to source. We now take like new G3...HKP-21201Now: $99.95Was: $167.95 -
HK91, G3 Backplate, Incomplete
H&K Heckler & Koch
$29.95G3 Incomplete Backplate Each backplate is refinished and parkerized as issued to the German military. This refinished backplate comes with a threaded end to accept a threaded recoil rod stop screw. With a quick and easy removable recoil rod stop you will...HKP-20860$29.95 -
HK G36, SL8, HK417, MR762 Bolt Head Ejector
H&K Heckler & Koch
$19.95H&K HK G36/SL8/MR762/417 Bolt Head Ejector Compatible With: HK MR762 HK 417 HK G36 HK SL8HKP-01868$19.95 -
HK G36 Magazine - 30 Round - FDE
H&K Heckler & Koch
$119.95HK German G36 30 Round Magazine New HK German 30 round magazine fits all G36, G36K, G36C variants & converted SL8's with the G36 magwell. New Heckler & Koch German mag. Factory fresh latest HK manufacture. Compatible With: G36, G36K, G36C SL8...HKP-18595$119.95 -
HK53 Barrel - 5.56 / .223 - 8.275" - Threaded 15x1
RCM
$164.95RCM HK 53 (5.56/.223) Barrel - Threaded 15x1 These are the finest US-made barrels available and come highly recommended by HKPARTS. Machined 100% in the USA, 922r compliant, and counts as 1 US-made 922r compliant part. Specifications: Cold Hammer Forged...HKP-01156$164.95 -
HK MP5K, SP89 Grip Frame - Semi Auto SEF - Metal Style
HKP HK Parts
$189.95HKP HK Parts and Heckler and Koch HK MP5K, SP89 9mm SEF Metal Style Grip Frame Each German HK housing started out as a factory HK German select fire metal housing. Each housing was modified by welding in a factory correct semi auto shelf, clipped from a...HKP-16490$189.95 -
HK MP5, MP5SD Cocking Tube Support - Titanium -Universal
HKP HK Parts
$119.95HKP MP5, MP5SD Universal Cocking Tube Support - Titanium Made from aircraft grade 5 Titanium from the factory HK German print & specs. An HK German quality part made in the USA offered at a great price point. Each MP5 9mm cocking tube support will...HKP-18193$119.95 -
HK 416A5 Flash Hider - 1/2x28
H&K Heckler & Koch
$95.95H&K 416 (5.56/.223) German Flash Hider - 1/2x28 This flash hider is not compatible with suppressors. Compatible With: HK 416 A5- 11" HK 416 A5- 14.5" HK 416 A5 - 16.5" HK 416 A5- 20"HKP-18521$95.95