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 MP5K Tactical Tri-Rail
HKP HK Parts
$89.95HKP Tactical Tri-Rail - Black - MP5K Our new modular tactical forearm comes with 3 rails on the left, right and bottom. That are removable and adjustable for you own taste and mission requirements. Made from aircraft grade aluminum and steel...HKP-16765-M$89.95 -
Pistol Stabilizing Brace - SBA4
SB Tactical
$124.99SB Tactical SBA4 Pistol Stabilizing Brace Designed for all platforms capable of accepting a mil-spec carbine receiver extension. The SBA4 is 5-position adjustable and features an integral, ambidextrous QD sling socket. Compatible With: HK MR556...HKP-19927$124.99 -
HK91 Polymer To Metal Trigger Group Conversion Kit
HKP HK Parts
$225.95HK 91/PTR 91 Polymer To Metal Trigger Group Conversion Kit. This is everything you will need to convert the lower trigger group on your HK 91 from polymer to metal housing with contoured grip. Just use your existing trigger pack to complete the...HKP-17362$225.95 -
HK53 Factory Recoil Spring
H&K Heckler & Koch
$14.95HK German HK53 Replacement Recoil Spring This rare spring is a must-have spare for your HK53 firearm.HKP-02228$14.95 -
HK MP5, MP5K Cartridge Case Deflector, Shell Deflector - Billet
HKP HK Parts
$19.95Cartridge Case Deflector, Shell Deflector - MP5, MP5K - Billet New US made case deflector for receiver flat or receiver for all MP5, HK94, MP5K, & SP89 builds. The case deflector is riveted or welded in place on the ejection port of the 9mm receiver...HKP-17574$19.95 -
JMAC Universal HRD M-LOK Handstop
JMAC Customs
$49.95JMAC HRD M-LOK Handstop (H)and(R)etention(D)evice Compact, lightweight, & reversible. Features: M-LOK Compatible Fits in and across M-LOK Slots Includes mounting hardware 7075 T6 Aluminum Hard Coat Anodized The quarter-turn T-slot nuts have...HKP-21235$49.95 -
HK MP5, MP5K 9mm Magazine Loader
H&K Heckler & Koch
$89.95German Magazine Loader For MP5 & MP5K - 9mm Magazines New HK German manufacture. Get years of use out of this steel loader while saving your thumbs. Compatible With: Curved 40, 30, 20, 15 & 10 round 9mm magazinesHKP-17013$89.95 -
HK Roller Sear For SEF, Navy Trigger Packs
H&K Heckler & Koch
$29.95H&K Roller Sear For SEF & Navy Trigger Packs It is the newer style, not the older friction type of sear. This item is also referred to as the catch with a roller but is more commonly called a sear.HKP-01710$29.95 -
HK91, G3 Extended Rifle Length Handguard - M-LOK
AIM
$129.95HK G3 EXTENDED RIFLE LENGTH HANDGUARD- M-LOK The most innovative and modular HK variant handguard on the market, our M-LOK HK forend can be used with all modern and traditional shooting techniques. CNC machined aluminum construction makes for a solid,...HKP-18173$129.95 -
HKP 9mm US Made Trigger Pack - 4 U.S. 922 Parts
HKP HK Parts
$269.95Trigger Pack For MP5, 94 Variants Such as Zenith, POF- 4 US 922r Compliant Parts HK MP5/94 9mm Semi Auto Trigger Pack complete. Each Ttigger group incorporates the following US made compliant parts completely assembled & ready to drop in. The...HKP-17878$269.95 -
HK91, G3, HK93, HK33, PTR Buffer - Enhanced
HKP HK Parts
$129.95HKP Enhanced Buffer This buffer is the factory correct style PSG1 & MSG90 stock buffer found in all factory HK PSG1, MSG90 German stocks. The overall diameter is .80" Compatible With: HK 91 G3, 93, 33, or PTR stock.HKP-01014$129.95 -
HK MP5, MP5K, HK93, HK91 Sight Clamping Screw - Rear Retainer
H&K Heckler & Koch
$4.95HK German Rear Sight Retainer / Clamping ScrewHKP-00868$4.95