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 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,...$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...$269.95 -
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.$29.95 -
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.$129.95 -
HK MP5, MP5K, HK93, HK91 Sight Clamping Screw - Rear Retainer
H&K Heckler & Koch
$4.95HK German Rear Sight Retainer / Clamping Screw$4.95 -
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 magazines$89.95 -
HK93, HK53, HK33 - Retractable Stock - A3
MKE
$399.95MKE HK93, HK33, HK53 & Z43 - A3 Stock - Cerakote A3 retractable stock for the HK33/53/93 built by MKE on HK tooling. These MKE stocks are your best option for a new production stock now that HK has discontinued them. Compatible...$399.95 -
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...$49.95 -
HK SL8, G36 Extended Mag Release
H&K Heckler & Koch
$19.95HK SL8 & G36 Oversized Extended Mag Release New HK German SL8, G36, HK243 extended magazine release. A must have upgrade for your HK SL8, Sl8-G36 conversion or G36 firearm. The HK extended magazine release is a drop in replacement and requires zero...$19.95 -
HK416, MR556 Rear Diopter Sight Assembly - 10.5"
H&K Heckler & Koch
$188.95H&K HK MR556/416 10.5" Rear Diopter Sight Assembly This is the proper rear sight for use on all HK 416 10.5 uppers and firearms. This is also a great sight alternative for those who need a lower sight setup for the AR, XCR, etc. To be used in...$188.95 -
HK Rear Sight Spring - German
H&K Heckler & Koch
$4.95H&K German Rear Sight Spring HK German rear sight spring for rear diopter sights.$4.95 -
Out Of Stock
HK G36C Stock - Cheek Rest
H&K Heckler & Koch
$166.95HK G36C Stock With Cheek Piece Installed - German Genuine German Heckler & Koch G36 stock. The G36C stock is a full inch shorter than a standard G36 stock. This is an ideal stock for those wearing body armor, for those who are doing the SL8...$166.95