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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Out Of Stock
HK416, HK417, MR556, MR762 Flip Up Rear Sight - 2mm
HKP HK Parts
$139.95HK 416, MR556 & MR762, 417 Flip Up Rear Sight Diopter 2mm Sight Attaches to any standard picatinny rail. No hardware needed as this is a self-contained quick attach rear sight assembly. This unique sight features a quick & easy push button...HKP-17717$139.95 -
Harris Engineering Bipod 6-9" - Fully Adjustable With Swivel
Harris Engineering
$149.95Harris Engineering Bipod 6-9" - Fully Adjustable With Swivel This part is manufactured using high-quality parts to ensure excellent function and sustainable use. It attaches to a sling swivel stud. Carrying your rifle with a sling or shooting off-hand is...HKP-00983$149.95 -
HK MP5 Receiver Flat - 9mm
HKP HK Parts
$189.95HKP HK MP5 9mm Receiver Flat New MP5 receiver flat made by the original German tool and die maker of the LSC receiver flat utilizing factory original German prints and specifications. The creator of our receiver flat has been regarded as the premier flat...HKP-20921$189.95 -
On Sale
HK P30SK Stand Off Device
HKP HK Parts
Now: $68.95Was: $109.95HKP HK P30SK Stand Off Device The P30SK stand-off device is a worst-case-scenario accessory that prevents the slide from being pushed back on the frame (thereby disengaging the trigger). The ulimate component for close quarters interdiction. ...HKP-19191Now: $68.95Was: $109.95 -
HK33, HK93, G3 Front Sight Tower Assembly
HKP HK Parts
$49.87HKP HK G3, HK 33, HK 93, PTR Front Sight Tower Assembly New US made from a solid billet of ordnance grade steel. Each front sight tower, triple frame set comes complete with a new HK diopter style replaceable front sight post & roll pin. This is the...HKP-17830$49.87 -
HK MP5K Retractable Stock - SEF - 5-Position - PDWC
HKP HK Parts
$499.95HKP MP5K 9mm 5 Position Telscopic Stock - PDWC The stock rails collapse along the top ridge of the grip frame for the lowest profile stock ever produced for the MP5 family of firearms. Made in the USA. Includes: 5-position stainless steel nitrided...HKP-17825$499.95 -
HK91, G3 Tactical Rail - 4"
HKP HK Parts
$12.95HKP Tactical Rail - 4 Inch The six mounting screws are also included with each rail. This rail will fit on either the left or right side or the bottom of the PTR and HK91/93 tactical handguards. Up to three rails can be used on each forearm. Compatible...HKP-02528$12.95 -
HK MP5, MP5K Selector Lever, Left Side - Navy Trigger Groups
H&K Heckler & Koch
$399.95H&K Standard 4 Position Burst Left Side Selector Lever Compatible with any of the 0, 1, 3, F or 0, 1, 2, F trigger packs. Brand new HK German part. No longer available so get them while you can.HKP-00123$399.95 -
HK MP5 2-Stage Trigger Group - 9mm - Complete
Timney Triggers
$478.95Timney HK MP5 Trigger - 9mm - 2 Stage - Complete The SEF Timney trigger group comes completely assembled, ready to drop into your receiver. Features a 3rd generation German ejector lever, new SEF selector lever, and a brand new factory German housing...HK-20511-M$478.95 -
HK91, G3, PTR PDW Stock Adapter - AR-15 Style
AIM
$54.99HK91, G3, PTR PDW Stock Adapter - AR-15 Style The Aim Sports Inc HK to AR15 stock adapter for AR15 stocks. Works with any Mil-spec buffer tube and castle nut to use any Mil-spec AR15/M16 stock of your choice on your HK rifle, SBR, or pistol. With our...HKP-20891$54.99 -
HK Single Point Sling - Quick Detach - Tan
NcSTAR
$29.95HKP Single Point Sling in Tan - Quick Detach Specifications: Style: bungee-type design for positive retention and control Connection: HK sling hook attachment point with elastic cover Heavy duty 1.5" wide adjustable nylon webbing and elastic bungee...HKP-19766$29.95 -
HK SL8, G36 Bolt Hold Open Lever - Extended
H&K Heckler & Koch
$69.95HK SL8 & G36 Extended Bolt Hold Open Lever New HK German SL8, G36, HK243 bolt hold open lever. A must have upgrade for your HK SL8, Sl8-G36 conversion or G36 firearm. The HK bolt hold open lever is a drop in replacement and requires zero gunsmithing...HKP-17719$69.95