Rifle / SMG Parts
Elevate Your H&K Rifle with Premium Parts – MP5, HK416, SP5, and More!
Enhance your H&K rifle with top-notch parts and accessories. From MP5 and MP5K to SP5 and UMP/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, SP5K, G36, or MP5 22, we have the H&K rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.
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SB Tactical HK MP5 SBA4 Pistol Stabilizing Brace
SB Tactical
$349.95SB Tactical HK MP5 SBA4 Pistol Stabilizing Brace MP5, SBA4 5-position adjustable brace features an integral ambidextrous QD sling socket for a quick install and removal sling attachment. This brace is the perfect addition for your MP5, SP5 or clone...HKP-19928$349.95 -
Surefire 628 Complete Forearm - As Is
Surefire
$79.95Surefire 628 Complete Forearm - As Is Surefire 628 MP5 Forearm for lights. Condition: Used Cracked Surefire 628 forearm single momentary (see photos). All have been tested and fully functional. Cracks on the forearm will vary from push pin hole crack to...HKP-19405$79.95 -
Timney Triggers HK MP5, HK 91/93/94, HK G3 2-Stage Trigger
Timney Triggers
$389.95Timney Trigger for MP-5, HK 91/93/94, G3, Clones The Timney HK MP5 trigger is factory-set with a two pound first stage and a two pound second stage that elevates the platform so the shooter can achieve the utmost in accuracy. All trigger parts have been...HKP-20500$389.95 -
B&T HK G36K (5.56/.223) Quad Rail Handguard
B&T Brugger & Thomet
$329.95Swiss Made B&T Quad-Rail (4 Sided Picatinny Rail) Handguard For HK G36K Aluminum version with rail cover and sling swivel. The B&T offering is the finest railed hand guard available for the HK G36K or SL8 conversions to G36K spec.B&T...HKP-16895$329.95 -
B&T Unigrip QD with Bipod
B&T Brugger & Thomet
$224.99B&T Unigrip QD with Bipod This B&T foregrip features a retractable bipod for superior weapon stability in both the standing and prone positions. Specifications: Condition: Factory new Material: Polymer/alloy Heat deflection temperature:...HKP-21387-M$224.99 -
G3 Incomplete Backplate - Threaded
H&K Heckler & Koch
$29.95G3 Incomplete Backplate - Threaded Each backplate is refinished and parkarized as issued to the German military. This refinished backplate comes with a threaded end to accept a threaded recoil rod stop screw. With a quick and easy removable recoil rod...HKP-20860$29.95 -
H&K 10 Round HK 45 Magazine Housing - Black
H&K Heckler & Koch
$34.95HK45 Magazine Housing For 10 Round Mag - Mag Body Only Brand new factory German manufacture. Compatible With: HK45, HK45 Tactical Please Note: This is not the same as the USP45 mag body.HKP-02494$34.95 -
H&K 91/G3 (7.62x51/.308) Complete Fixed Stock with Enhanced Heavy Buffer- Black - Surplus
H&K Heckler & Koch
$269.95German G3, 91, PTR Stock complete - Surplus Used black German surplus stock complete. Ready to install on your HK or clone rifle. Used in perfect working condition and each stock includes all parts to be a complete stock ready to use on your HK G3, 91,...HKP-16269$269.95 -
H&K 93/53/33 (5.56/.223) Full Auto Bolt Carrier - Buffered Style - Used
H&K Heckler & Koch
$345.95HK German production HK German HK33, 33K, 93 Full Auto Bolt Carrier Used Buffered Style Hard to find, vintage HK German buffered style F/A bolt carrier. Perfect for a spare or to upgrade your clone or conversion to the factory correct latest style bolt...HKP-16455$345.95 -
H&K Cocking Tube Extrusion - 12" Section
H&K Heckler & Koch
$54.95HK Factory Cocking Tube Extrusion 12" SectionNew Production HK Cocking Tube Section Perfect For Custom HK Cocking Tube Projects. Overall length is 12" long. All steel and ready for that custom project or custom build.Perfect for custom cocking tube...HKP-13487$54.95 -
H&K G3 Parts Kit - RCM Barrel
H&K Heckler & Koch
$647.95HK German G3 .308/7.62 X 51mm Surplus Parts Kit Finally, after more than 4 years of searching the globe, we have HK German Surplus G3 parts kits available to offer. Each parts kit comes complete with all parts from a functional HK G3 full auto rifle that...HKP-16577$647.95 -
H&K HK G3 Recoil Rod - Demilled
H&K Heckler & Koch
$18.54H&K HK G3/91 Recoil Rod - Demilled These recoil rods were demilled from damage or broken end caps. Fully functional and sitll assembled with the spring, roll pins, nylon ring and captive pin. Perfect to have on hand for spares or custom builds.HKP-21298$18.54 -
Out Of Stock
H&K HK MP5K Discrete Briefcase
$2,995.00H&K HK MP5K Discrete Briefcase HK had these briefcases made for them to their specifications and conditions for many years. HK no longer makes or offers them. This case was made using German HK and German parts to complete the case offering as...HKP-19531$2,995.00 -
H&K HK MR556, HK 416 A5 Ambi Selector Lever Set Complete - Black
H&K Heckler & Koch
$179.95HK 416-A5 SEMI & MR556 Ambidextrous Selector Lever Set Complete - Black New HK German manufacture. Complete kit to upgrade the selector lever set on the MR556 to the newer HK 416A5 semi style of levers. A drop in upgrade for the MR556 & CR556...HKP-19375$179.95 -
H&K HK MR556/416 Ejector For Bolt Head
H&K Heckler & Koch
$23.95H&K HK MR556/416 Ejector For Bolt Head HK German factory part. Compatible With: MR556 HK 416HKP-00037$23.95 -
Out Of Stock
H&K HK MR762/417/G28 Adjustable Buttstock Set - RAL 8K
H&K Heckler & Koch
$899.95HK G28 Fully Adjustable Stock For The MR762 & HK 417 - RAL 8000 The elusive HK G28 adjustable stock kit complete with the upgraded parts needed to convert a stock MR762 or HK417 to allow this stock system to be used. German RAL 8000 color. Latest HK...HKP-16760$899.95 -
H&K HK MR762/417/G28 E1 Extended Ambidextrous Charging Handle
H&K Heckler & Koch
$209.95HK417, MR762 & G28 Extended E1 Charging Handle - Black HK German MR762/HK417 extended charging handle. HK's unique release latch can be swapped from left to right sides to make each setup ambi friendly and modular. HK's own design boasts an easy to...HKP-16599$209.95 -
H&K HK SP5 Spec Only Navy Style SEF Clipped & Pinned Housing - Like New
H&K Heckler & Koch
$149.95HK German SP5 Spec Navy Style SEF Clipped & Pinned Housing - Excellent / Like New In outstanding, like-new condition—most items have never been installed on a firearm. Designed specifically for all HK SP5 models, these components are perfect...HKP-20074$149.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Factory German Sling
H&K Heckler & Koch
$79.95HK USC & UMP Factory German Tactical Sling -BlackHKP-00613$79.95 -
HDPS .45 ACP 5 Prong Flash Suppressor - Threaded 16x1
HDPS
$99.95HDPS .45 ACP 5 Prong Flash Suppressor - Threaded 16x1 LH The 5 Prong Flash Hider is designed to fit .45 ACP firearms threaded 16x1 LH This highly anticipated flash suppressor enhances accuracy by up to 35% and reduces recoil by up to 40%. With no...HKP-20459$99.95 -
$5.95 -
HK G36/SL8 Complete Recoil Rod Assembly
USA
$39.95Recoil Rod Assembly For All - HK G36 & SL8 New G36/SL8 recoil rod assembly complete. Great for replacement or for a spare as these have been hard to find. Made in the USA. Compatible With: G36 SL8HKP-18539$39.95 -
HK UMP .45 ACP Magazine Follower
USA
$9.95HK UMP .45 Magazine Follower - USA New UMP .45 magazine follower for all HK UMP .45 magazines. Compatible With: UMP 45 magazines both US or GermanHKP-20177$9.95 -
HK94, SP89 Original Plastic Grip For Metal Housing
H&K Heckler & Koch
$49.99H&K 94 & SP89 Original Plastic Grip For Metal Housing This original plastic grip is designed for use with metal housing setups. Specifications: Original Plastic Grip Compatible With: HK SP89 HK 94 HK 93HKP-01423$49.99 -
On Sale
HKP - ACR to SP5K Adapter - BLEMISHED
HKP HK Parts
Now: $79.95Was: $139.95HKP - ACR TO SP5K Adapter - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. We now offer the best option to convert the ACR Stock to be compatible with...HKP-20844-BNow: $79.95Was: $139.95 -
HKP 20 Round HK 416/COLT M4 .22 Magazine Spring
HKP HK Parts
$3.95HKP 20 Round HK 416/COLT M4 .22 Magazine Spring A good supply of spare mag springs is a must. These are ideal to have on hand as the spring can become damaged or worn out. New production mag spring for your Umarex 416 & Colt 20 round 22 LR magazine.HKP-14410$3.95 -
HKP 3-Lug Adapter - Threaded 1/2x32
HKP HK Parts
$49.95HKP 3-Lug Adapter - Threaded 1/2x32 The HK 3-Lug Adapter, internally threaded with 1/2x32 threads, can easily attach to any existing 1/2x32 threaded parts. This is the finest machined adapter on the market, made in the USA to exact HK German 3-lug...HKP-00107$49.95 -
HKP 9mm Titanium Flash Hider - 3-Lug
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 -
HKP HK MP5 (.40 S&W) Locking Roller -2
HKP HK Parts
$11.95HK US MP540 Undersized Locking Roller, -2 The proper roller size is essential for proper headspacing of bolt gap. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you need...HKP-17563$11.95 -
HKP HK MP5 .22 LR Aimpoint ACRO Sight Mount
HKP HK Parts
$98.95HKP - HK MP5 .22LR Optic Mount - ACRO HK Parts now brings you one of the most requested optic mount for the MP5/MP5K platform. Low-profile mount with a direct Aimpoint ACRO mounting interface. The smallest mount in the market with a sleek and clean...HKP-21236$98.95 -
HKP HK SP5 AR, M4 Stock, Brace Adapter - QD
HKP HK Parts
$159.95HK SP5 Style AR, M4 Stock & Brace Adapter With QD Sling Attachment Point Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum with QD sling attachment points and Cerakote finish for the best looking AR...HKP-20725$159.95 -
On Sale
HKP HK VP9L Comp Weight™ Quick Detach Compensator - Blue
HKP HK Parts
Now: $99.95Was: $189.95HKP HK VP9L Comp Weight™ Quick Detach Compensator - Blue EASY ON, EASY OFF- QUICK DETACH TECHNOLOGY The HK Parts VP9L, Comp Weight™ compensator is the world's first quick detach Comp Weight™ compensator. That slides effortlessly onto...HKP-20974Now: $99.95Was: $189.95 -
HKP MP5 .22LR Picatinny Rail Stock Adapter
HKP HK Parts
$134.95HKP MP5 .22LR Picatinny Rail Stock Adapter Our rail stock adapter enables seamless attachment of any 1913 Style Stock or brace to your MP5.22. The 1913 style stocks & braces firmly lock in place, offering superior cheek weld height compared to...HKP-21526$134.95 -
HKP MP5 40/10 Trunnion
HKP HK Parts
$139.95MP5 40 & MP5 10mm Trunnion Machined from ordnance-grade steel and heat-treated to factory specs. Each has the bullet guides pre-installed and included. These are the best USA-made trunnions on the market. Machined to HK spec, making the installation...HKP-02737$139.95 -
HKP MP5 to AR Adapter & Stock Complete
HKP HK Parts
$229.95HKP MP5 to AR Adapter & Stock Complete Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct H buffers to protect your expensive firearm. This is the finest AR stock...HKP-17119$229.95 -
HKP MP5, HK94 Cocking Tube - For Lefties
HKP HK Parts
$119.95HKP MP5, HK94 Cocking Tube - For Lefties This is the one and only left handed cocking tube for the MP5/HK94 ever made and it happens to be a US manufactured part. Features include enlarged charging handle clamping pin access hole as found on the latest...HKP-17380$119.95 -
SB Tactical HK91 SBA4 Pistol Stabilizing Brace
SB Tactical
$379.95SB Tactical HK91 SBA4 Pistol Stabilizing Brace Includes: G3, HK91 backplate & recoil assembly AR, M4 stock adapter Complete buffer assembly Castle nut SB Tactical Brace Features: Made in the USA Designed after the SBM4 5-position...HKP-19931$379.95 -
Out Of Stock
Solar Tactical HK SL8 Kydex Ambidextrous Grip Wrap - Black
Solar Tactical
$59.95Kydex Grip Wrap - Ambidextrous - HK SL8 Featureless Kydex grip wrap for use with detachable magazines. Prevents a wrap around style pistol grip. Allows the use of the factory magazine release and detachable magazines over 10 rounds. Preban hi-capacity...HKP-18894$59.95 -
Solar Tactical HK UMP Kydex Grip Wrap - Black
Solar Tactical
$89.95Solar Tactical HK UMP Kydex Grip Wrap - Black Featureless Kydex grip wrap for use with detachable magazines. Prevents a wrap-around style pistol grip. Allows the use of the factory magazine release and detachable magazines over 10rds. Preban hi-capacity...HKP-19142$89.95 -
Strike Industries 1913 Picatinny Backup Sights
Strike Industries
$84.95Strike Industries 1913 Picatinny Backup Sights Feautures: Built-in backup sights when flipped down for quick target acquisition Low-profile and low snag design Tool-less adjustments of windage and elevation Quick sliding dual aperture rear sight...HKP-21314$84.95