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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HK21E, HK23E Recoil Rod Guide Ring
H&K Heckler & Koch
$19.95HK 21E & HK 23E Recoil Rod All Steel Guide RingHKP-02063$19.95 -
Out Of Stock
HK21E, HK23E, MSG90 Optic Mount - Quick Release Rail
Michaels Machines
$899.95HK21E/23E Or MSG90 Quick Release Rail Scope Mount Made in the USA of the best material and to factory HK specs. First time offered and exclusively here at HKPARTS.NET.HKP-01924$899.95 -
HK91, G3 A3 Retractable Buttstock - Excellent
H&K Heckler & Koch
$999.95HK G3 & HK 91 A3 Retractable Stock - German These are the final units available no longer produced or offered by HK Germany. Each stock includes two large push pins as a bonus. A beautiful upgrade that truly elevates your G3 or 91 build. Once...HKP-00828$999.95 -
HK MP5 Bolt Carrier - Full Auto - .40 S&W, 10mm
H&K Heckler & Koch
$339.95H&K Heckler & Koch New HK German MP5 40/10 Factory F/A Bolt Carrier This is the latest and greatest version of the MP5 40 and MP5 10mm carrier. No longer in production or manufactured. Tungsten-filled German HK and the real deal.HKP-00452$339.95 -
Out Of Stock
HK MP5K, SP89 Trigger Group - SEF - Contoured - Clipped and Pinned
H&K Heckler & Koch
$0.00New HK German SP89, MP5K Semi Auto - Clipped & Pinned SEF Trigger Group Each unit includes the professionally converted SEF clipped and pinned housing and semi-auto-only trigger pack. All trigger groups include a new 3rd-generation 9mm ejector lever...HKP-01691$0.00 -
HK MP5F Parts Kit - A2 Buttstock and Navy Trigger 3 Pos
H&K Heckler & Koch
$2,695.95HK MP5F Parts Kit - 3 Pos Navy Trigger - A2 Stock This kit is built from original German components and includes the upgraded full-auto MP5F bolt group assembly and cold hammer forged 3-lug barrel. The MP5F configuration is known for its reinforced...HKP-01538$2,695.95 -
HK MP5, MP5K 9mm Ambidextrous 0,1 Trigger Pack
HKP HK Parts
$479.95HKP MP5 & MP5K 9mm Ambidextrous 0,1 Trigger Pack Finally a lower cost alternative to the spendy and hard to find all German HK FBI or 0,1 ambi trigger packs. Now for the first time, we have the ever popular trigger pack available in an...HKP-17230$479.95 -
HK MP5 F Cocking Tube Support - 9mm, 10mm, .40 S&W
H&K Heckler & Koch
$299.95HK German MP5 F & 40/10 Cocking Tube Support This is the factory correct MP5 F or MP5 40/10 newer style cocking tube support. Compatible With: MP5 40 MP5 10mm True MP5 F models Custom HK builds and clones with the proper F partsHKP-00097$299.95 -
HK MP5, HK94, G3, HK91, HK3, HK53, HK93 Trigger Housing - Full Auto SEF
H&K Heckler & Koch
$299.95H&K Full Auto Trigger Box - SEF - MP5/94/G3/91/93/53/33 This genuine HK trigger box can house either the full auto SEF trigger pack internals or be converted to the semi-auto configuration. Not for use with ambidextrous trigger packs, selectors, or...HKP-02178$299.95 -
HK MP5, SP5, MP5K Flash Hider - 9mm - A2 Style - 3-Lug
HKP HK Parts
$99.95A2 Style Flash Hider for MP5, MP5K Made from high-quality, durable materials, the HKP HK Parts Flash Hider guarantees long-lasting performance and corrosion resistance, making it an essential addition for both tactical operators and firearm...HKP-22706$99.95 -
On Sale
HK91, G3 Magazine - 20 Round - LEO Laser Marked - Parkerized - BLEMISHED
H&K Heckler & Koch
Now: $41.95Was: $59.95Heckler and Koch 20 Round Rare LEO Laser Marked Steel Magazine for HK91 and HK G3 BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED POOR AND UNFINISHED LASER MARKING COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT...HKP-19333-BNow: $41.95Was: $59.95 -
HK21 FMP Ultimate Build Kit- Matching Numbers - Complete RCM Barrel
FMP HK CONTRACT
$3,748.95HK21 Complete Build Kit- Matching Numbers HK Parts brings you another exhaustive parts kit. Our numbers-matching Ultimate HK21 parts kit includes everything you need to resurrect an iconic classic and hit the range for belt-fed action. Kit includes...HKP-22539$3,748.95