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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HK91, G3, HK33, HK53, HK93 Blank Firing Barrel Adapter - Threaded 15x1 RH
H&K Heckler & Koch
$39.95Heckler and Koch Blank Firing Adapter for HK Rifle Barrels 5.56 / .223 and 7.62x51 / .308) German blank firing adapter used from the German military. Best quality and price in the country by the best makers of US made HK components available anywhere...HKP-15593$39.95 -
HK MP5K, SP89, SP5K Barrel - 9mm - 3 Lug - Threaded 1/2x32
B&T Brugger & Thomet
$399.95B&T HK MP5K/SP5K/SP89 9mm Barrel - Threaded 1/2x32 - 3-Lug New from B&T Switzerland, this cold hammer-forged (CHF) and nitrided barrel is specifically designed for the HK SP5K. Manufactured to exact HK factory specifications, it features a...HKP-17908$399.95 -
HK MP5, MP5K Flash Hider - 3-Lug - Satin Titanium - 9mm
HKP HK Parts
$134.95HKP/H&K MP5/SP5 9mm Titanium Flash Hider - 3-Lug Easily attaches to the end of any factory specification 9mm 3 lugged barrel. This flash hider does not require the of threads as it attached to the 3 lug tip. Also a great addition for any of 3 lug...HKP-18853$134.95 -
Out Of Stock
HK MP5SD Barrel - 9mm - Threaded 18x1
HKP HK Parts
$169.95HKP MP5SD 9mm Barrel - Threaded 18x1 Made in the USA from 416 stainless steel, this high-quality barrel undergoes the highly desirable nitride process for a super hard, durable finish. Precision milled to the latest specifications, it features...HKP-17755$169.95 -
HK Trigger Pack Housing - Semi 0,1
H&K Heckler & Koch
$129.95H&K 2 Position (0,1) Semi-Auto Trigger Pack Housing This trigger pack housing is professionally converted to semi-auto with all legal and correct modifications, including a semi-sear hole and trigger stop. It is designed to provide reliable...HKP-02177$129.95 -
HK Receiver Flat Bending Set Jig - RENTAL
HKP HK Parts
$99.95Flat Bending Jig Set For All HK Style Receiver Flats - RENTAL Receiver flat bending jig RENTAL for all HK receiver flats. Our rental jigs are crafted in the US from billeted steel and include the latest revisions with proper dowel spacing for the...HKP-19595-RENTAL$99.95 -
On Sale
Century Arms AP51 A3 Telescopic Stock - BLEMISHED
MKE
Now: $327.95Was: $449.95MKE Century Arms AP51 A3 Telescopic Stock - BLEMISHED INSTALLATION MARKS COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Factory new MKE stock professionally...HKP-21926-BNow: $327.95Was: $449.95 -
HK416 Ultra Carbine Stock and Adapter - .22LR Pistol
HKP HK Parts / Magpul
$264.95HK 416 .22LR Pistol Magpul UCS Stock with Adapter The HK Parts UCS adapter and stock for the MP5K pairs our proven stock adapter with Magpul's UCS stock for a compact, adjustable configuration. The UCS stock features a reversible hinge for left and right...HKP-22196$264.95 -
HK MR556 A4 Hammer Spring
H&K Heckler & Koch
$5.95H&K MR556 A4 Hammer Spring Genuine H&K hammer spring for the MR556 A4. Compatible With: HK MR556 A4HKP-22083$5.95 -
HK MR556 A4 Handguard - 10"
H&K Heckler & Koch
$259.95H&K HK MR556 A4 10" Handguard This 10" factory H&K MR556 A4 handguard offers a lightweight, free-floating design that enhances accuracy and provides rock-solid mounting for accessories. Made from high-strength aluminum, it features a slim profile...HKP-21934$259.95 -
HK G3 Buttstock Buttpad - Standard - Green - Used
H&K Heckler & Koch
$2.95H&K G3 Standard Stock Buttpad - Green - Used This German-made buttpad is an excellent replacement for your worn-out or broken buttpadd on the G3 stock. Used but fully functional. Compatible With: HK G3HKP-21865$2.95 -
Out Of Stock
HK MP5, HK94 A3 Retractable Buttstock - Factory - Used
H&K Heckler & Koch
$739.95H&K Heckler and Koch Factory A3 Used Buttstock for HK MP5 and HK94 The original Navy-style German HK MP5 A3 stock is a rare find as it's no longer in production and has been replaced by the MP5 F-style stock. We are offering the sought-after...HKP-21644$739.95