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 UMP Clamp - Dual Magazine - Incomplete - BLEMISHED
Now: $4.47Was: $28.95HK UMP Dual Magazine Clamp - Incomplete - BLEMISHED MISSING SCREW. SOLD AS IS. COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PAHKP-99099-BNow: $4.47Was: $28.95 -
HK91, G3 Magazine - 15 Round - Steel - Refinished
H&K Heckler & Koch
$84.95HK Heckler and Koch 15 Round Steel Magazine - Refinished for HK G3 and HK91 (7.62x51/.308) HK G3 factory steel 15-round magazine, expertly restored to its former glory. This magazinHKP-21922$84.95 -
HK91, G3, PTR Bolt Head - Complete- EBO - Used
EBO
$99.95EBO HK G3 & HK 91 & PTR Bolt Head Complete - Used Greek HK Contract Date Coded EBO bolt head is manufactured in Greece by Hellenic Arms Industry, utilizing HK tooling and prints. Since the 1980s, it...HKP-21903$99.95 -
HK21E, HK23E Compression Springs - Inner Buffer, Outer Buffer
H&K Heckler & Koch
$59.95H&K HK21E/23E Inner & Outer Buffer Compression Springs An unissued set of inner and outer buffer compression springs for your HK21E/23E buffer, sourced directly from HK Germany. Most HK21E/23E...HKP-21856$59.95 -
HK A3 Buttstock Release Lever Rebuild Kit
H&K Heckler & Koch
$14.95H&K A3 Stock Release Lever Rebuild Kit This A3 collapsible stock rebuild kit is designed for the release lever on MP5, SP5, 93/53/33, and G3/91 collapsible stocks. With A3 stocks becoming more...HKP-21851$14.95 -
HK21E, HK23E Rear Sight Base
H&K Heckler & Koch
$89.95H&K HK21E/23E Rear Sight Base Factory German HK21E/23E rear sight base ready to weld on your build. The rear sight base serves as the mounting point for the rear sight, providing stability and proper...HKP-21849$89.95 -
HK G3 Front Sight Ring
H&K Heckler & Koch
$4.95H&K HK G3 Front Sight Ring Factory HK replacement front sight ring. Compatible With: HK G3HKP-21641$4.95 -
On Sale
HK 940 Barrel - .30-06
H&K Heckler & Koch
Now: $412.46Was: $948.95Heckler and Koch HK 940 .30-06 Rifle Barrel Genuine new HK 940 .30-06 barrel featuring date code and Ulm antler proof. These barrels are unfired and fully nitrided for a lifetime of use. These...HKP-21605Now: $412.46Was: $948.95 -
On Sale
HK MP5 Stock or Brace Adapter - AR - QD - BLEMISHED
HKP HK Parts
Now: $99.97Was: $159.95HKP MP5 AR Stock, Brace Adapter - QD - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Each AR...HKP-18788-BNow: $99.97Was: $159.95 -
HK MP5K Parts Kit - .40 S&W - Pistol Build
$1,829.95HKP MP5K .40 S&W Pistol Build Kit MP5K .40 complete pistol build kit. Featuring the latest in highest quality components for an unparalleled build. Equipped with a 9/16x24 3-lug threaded barrel to...HKP-21534$1,829.95 -
HK G36, SL8 Brass Catcher
B&T Brugger & Thomet
$284.95B&T HK G36 & SL8 Brass Catcher This brass catcher is expertly crafted for the HK G36. The B&T QD attachment system enables quick mounting and dismounting. For optimal compatibility, the G36 must be...HKP-21530$284.95 -
On Sale
HK MP5SD, MP5K Locking Piece - 115 Degree - .40 S&W, 10mm
RCM
Now: $28.66Was: $44.95RCM HK MP5 & MP5K 40/10 SD 115 Degree Locking Piece Compatible With: MP5/K 10 MP5/K 40HKP-21525Now: $28.66Was: $44.95