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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SilencerCo ASR .30 Cal AC233 Flash Hider - Threaded 15x1
$92.95SilencerCo ASR .30 Cal AC233 Flash Hider - Threaded 15x1 The SilencerCo ASR .30 Cal AC233 Flash Hider is designed for use with ASR (Active Spring Retention) mounts, providing a quick attach/detach system compatible with nearly all SilencerCo suppressors...HKP-19507$92.95 -
Tommy Built HK G36, HK SL8 Carry Handle Top Rail - Black
Tommy Built
$349.95Tommy Built HK G36, HK SL8 Carry Handle Top Rail - Black G36 carry handle style top rail with rear Picatinny optics mount. This is designed to have the styling of the Iconic G36 carry handle optic rail with the flexibility of a simple pic rail so you can...HKP-19201$349.95 -
$2.95 -
Comp Weight™ Compensator- Quick Detach - HK VP9SK - HKP
HKP HK Parts
$149.95Comp Weight™ Compensator- Quick Detach - HK VP9SK - HKP Easy on, easy off- Quick Detach technology The HK Parts VP9SK Comp Weight™ is the world's first quick detach Comp Weight™, compensator. That slides effortlessly onto your pistol...HKP-18151$149.95 -
Compression Rod - 90's Series - Titanium
HKP HK Parts
$29.95Compression Rod - 90's Series - Titanium The H&K burst trigger pack compression rods and compression rod springs are the foremost wear/breakage components in burst packs. This replacement compression rod is constructed from titanium, offering...HKP-20887$29.95 -
H&K (5.56/.223) Compensator Flash Hider - Threaded 1/2x28
H&K Heckler & Koch
$39.95H&K (5.56/.223) Compensator Flash Hider - Threaded 1/2x28 Threaded 1/2x28 for use on all HK 416, MR556 and other AR style applications. Compatible With: HK 416/MR556 HK MR223 HK G36/SL8 AR15 All M4/M16/AR Variants 5.56/.223 Firearms Threaded...HKP-16926$39.95 -
H&K 9mm Thread Protector - Threaded 1/2x32 RH
H&K Heckler & Koch
$39.95H&K 9mm Thread Protector - Threaded 1/2x32 RH A great replacement item for lost or damaged thread protectors & caps. This part is compatible with all factory-spec MP5 Navy or MP5KN barrels. Specifications: Overall Length .610" Threaded 1/2x32...HKP-00108$39.95 -
H&K Catch Lever Axle For Ambidextrous Trigger Packs
H&K Heckler & Koch
$5.95H&K Catch Lever Axle For Ambidextrous Trigger Packs This is the axle that is found in all ambidextrous trigger packs for the 90 series that retains the catch lever assembly.HKP-01552$5.95 -
H&K G36 (5.56/.223) 10 Round Factory Magazine - Black
H&K Heckler & Koch
$82.95HK G36 Black 10-Round Magazine Compatible With: G36 G36K G36C Double stack capacity magwell converted SL8's. Features: Capacity: 10 rounds Condition: New Manufactured: HK Germany factoryHKP-01083$82.95 -
H&K G36/SL8 (5.56/.223) Factory Recoil Buffer
H&K Heckler & Koch
$20.95HK G36 Or SL8 Factory Recoil Buffer A critical spare part as these buffers deteriorate with usage and time.HKP-00290$20.95 -
H&K HK 30 Round MP5/SP5 & MP5K/SP5K 9mm Magazine - White
H&K Heckler & Koch
$99.95New German - H&K MP5, SP5, SP5K, MP5K 9mm - 30 Round Curved Magazine - White Heckler & Koch factory fresh magazine from this current year's production. 9mm 30 Round curved all-steel magazine stamped "Made In Germany". These are the finest...HKP-19976$99.95 -
H&K HK 416/MR556/MR762 Pistol Grip Screw
H&K Heckler & Koch
$9.95HK 416, MR556, & MR762 Pistol Grip Screw This is the screw used to retail all battle grips/pistol grips on the HK and standard AR15 and M16 firearms. Compatible With: HK416 HK MR556 HK MR762 HK417HKP-02679$9.95 -
H&K HK MP7/G36 Picatinny Rail - Black
H&K Heckler & Koch
$59.95H&K HK MP7/G36 Picatinny Rail - Black New HK German 7 Slot Aluminum Picatinny Rail with hardware for HK MP7 and G36. Specifications: MP7 - Side Rail G36 - Bottom Rail Overall Length: 3.75"HKP-18856$59.95 -
H&K HK MR556/MR762/417/416 Trigger Axle
H&K Heckler & Koch
$19.95H&K HK MR556/MR762/417/416 Trigger Axle Axle for Trigger. Compatible With: HK 416 HK 417 MR556 MR762HKP-16623$19.95 -
Out Of Stock
H&K MP5, 93/53/33, 91 (9mm, .40/10, 5.56/.223, 7.62/.308) 3 Position (0,1,3 Pictogram) Universal Housing - Clipped & Pinned
H&K Heckler & Koch
$249.95H&K MP5, 93/53/33, 91 (9mm, .40/10, 5.56/.223, 7.62/.308) 3 Position (0,1,3 Pictogram) Universal Housing - Clipped & Pinned Introducing the universal 3 position burst pictogram housing for HK MP5, SP5, and .40/10 firearms. This new factory...HKP-19801$249.95 -
H&K MP5F & MP5 40,10 Cocking Support Handle Spring
H&K Heckler & Koch
$9.95H&K MP5F & MP5 40,10 Cocking Support Handle Spring One of these springs is required for use with the cocking handle/support assembly. You need the following - MP5 40 cocking tube support, MP5 40 cocking handle, and the cocking handle spring to...HKP-00426$9.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) 3 Position Navy Full Lower (0,1,)
H&K Heckler & Koch
$1,249.95HK UMP 3 Position Navy Lower New German Heckler & Koch UMP 3 position (0, 1, full) Navy lower. Each lower comes complete with all the factory internals. These lowers are ideal for the USC to UMP conversion and to keep as a spare. Each lower is...HKP-00592$1,249.95 -
HDPS HK UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Trigger
HDPS
$139.95HDPS US-Made Steel Trigger - USC & SL8 HDPS US-made triggers are ideal for meeting US 922r compliance as this counts as one of the needed parts when converting the HK USC to HK semi-auto UMP and the HK SL8 to semi-auto G36. Compatible...HKP-02134$139.95 -
HK G36, HK SL8 Bolt Catch USF
USA
$14.95HK G36 & SL8 Bolt Catch On AR-15 systems this would be similar to a cam pin. Compatible With: G36, G36K, G36C Sl8 variantsHKP-19122$14.95 -
HKP HK MP5 40 Locking Roller -4
HKP HK Parts
$11.95HK US MP540 Undersized Locking Roller, -4 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-17561$11.95 -
Out Of Stock
HKP HK UMP 2 Position Lower Grip Frame - Black
HKP HK Parts
$179.95UMP - 2 Position Lower Grip FrameNew UMP Lower. 2 position settings (S,F). Perfect for all your own internals. This item is ideal for the USC to UMP conversion or to keep as a spare. Each lower fits & works with the 45, 40 & 9mm calibers using...HKP-19382$179.95 -
HKP MP5 & HK94 Vented Wide Forearm - Vertical
HKP HK Parts
$44.95HKP MP5 & HK94 Vented Wide Forearm - Vertical New US manufactured (922r compliant) HK MP5 & HK94 vented wide handguard with the 90 degree vents. This style of venting allows better handling and superior barrel cooling abilities. Available...HKP-16856$44.95 -
HKP SEF Style Franklin Armory Binary Aluminum Selectors - For Left Handed Shooters
HKP HK Parts
$59.95HK Selector Lever Set for BFSIII HK Binary Trigger Pack - SEF Grip Frames - Aluminum SEF style selector lever set modeled after the HK style selector lever for the Franklin Armory trigger packs. This set was made specifically for the left hand shooters...HKP-20503$59.95 -
JMAC Customs AB-8 w/ Brace Adapter and 1913 Folding Mech
JMAC Customs
$269.95JMAC Customs AB-8 w/ Brace Adapter and 1913 Folding Mech If your firearm doesn't already have a 1913 attachment rail on the rear, choose the appropriate adapter above! (A)rm(B)ar(8)inch + AB-BA brace adapter + JMac 1913 folding mech. (not assembled)-...HKP-20148$269.95 -
Out Of Stock
MP5 Wide Handguard with Pressure Pad
HKP HK Parts
$149.95MP5 Wide Handguard with Pressure Pad MP5 handguard removed from Swiss MP5 parts kits. Used in like new condition. Bottom rail with a Steiner right angle remote cable pressure pad switch. A good option for those that are looking to mount a light and run a...HKP-20838$149.95 -
POF MP5, HK94, MP5K, SP89 & SP5K Firing Pin
POF
$24.95HK Contract MP5, HK94 Firing Pin - POF Made from HK prints and tooling in the POF factory. The USA and German HK offering are a better offering with tighter tolerances and better materials. Compatible With: MP5 HK94 MP5K SP89 SP5K All 9mm, 40/10mm...HKP-18264$24.95 -
PTR HK 91/G3 Central Stock Section - A2 Style
PTR
$54.95Central Stock Section For A2 Stock- HK U.S. This is a PTR-manufactured part that is hard to find and is important for keeping your HK G3 and HK 91 build 922r compliant.HKP-01463$54.95 -
RCM HK 53 Full Auto Bolt Carrier US
RCM
$359.95Bolt Carrier - US - RCM - HK53 Brand new US manufactured new style HK53 factory bolt carrier. The finest HK53 carrier ever made with the latest & greatest German inspired improvements and updates. Ideal for 556/.223 & .300 BLK firearms...HKP-20538$359.95 -
RCM HK34 MP5 9mm Barrel - Non-Threaded
RCM
$264.95RCM HK34/94 MP5 9mm Barrel - Non-Threaded Each non-threaded barrel is hand-selected from the finest cold hammer forged steel (CHF) 41V45 barrel blanks. Expertly profiled and chambered in the desirable 16 flute chamber profile. Each barrel is finished...HKP-00927$264.95 -
Out Of Stock
Solar Tactical HK USC (.45 ACP) Kydex Grip Wrap
Solar Tactical
$79.95Kydex Grip Wrap - Ambidextrous - HK USC 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-18890$79.95 -
AIM HK 91/G3 (7.62x51/.308) Rifle Length Handguard - Keymod
AIM
$64.95HK 91, G3, PTR RIFLE LENGTH HANDGUARD - KEY MOD This sleek streamlined design is an ultra low profile handguard with generous mounting space to accept all KeyMod accessories. Superior ergonomics and simple, drop-in installation makes this the best HK...HKP-18179$64.95 -
B&T MP5 Single Rail Handguard
B&T Brugger & Thomet
$199.95B&T MP5 Single Rail Handguard The MP5 from Heckler & Koch is one of the most widely used submachineguns. B&T offers a selection of handguards for the MP5, the MP5SD and the MP5K in order to mount tactical lights or lasers onto the weapon...HKP-16903$199.95 -
GSG9 HK G36K AR Rifle Kit
GSG9
$1,849.95GSG9 HK G36K AR Rifle Kit Complete G36K AR Parts Kit with Folding Stock. Includes all parts needed for a complete build aside from the receiver. This kit has a an AR15 1/2 X 28 threaded barrel and flash hider. This kit uses standard G36 magazines as well...HKP-19130$1,849.95 -
GSG9 HK G36K Rifle Kit
GSG9
$1,999.95HK G36K Rifle Parts Kit Complete with Folding Stock - USA Made Complete G36K Semi-Auto Parts Kit with Folding Stock. Includes all parts needed for a complete build except the receiver. Click this link to complete your build with a DEFGUNZ DEF36 receiver...HKP-18650$1,999.95 -
H&K G36/SL8 (5.56/.223) Bolt Catch
H&K Heckler & Koch
$24.95HK G36 & SL8 Bolt Catch On AR-15 systems this part would be similar to a cam pin. Compatible With: G36 G36K G36C SL8 variantsHKP-02472$24.95 -
H&K HK MR556/416, HK MR762/417 Flip Up Rear Sight-2mm
H&K Heckler & Koch
$274.95HK 416/MR556 & MR762/417 Flip Up Rear Sight (Diopter 2mm Sight) This sight attaches to any standard Picatinny rail. No hardware is needed as this is a self-contained quick-attach rear sight assembly. This unique HK-designed sight features a quick and...HKP-08951$274.95 -
H&K HK MR556/MR762/416/417 Magazine Catch Retainer Ring Pin
H&K Heckler & Koch
$8.95H&K HK MR556/MR762/416/417 Magazine Catch Retainer Ring Pin Compatible With: HK 416 MR556 HK 417 MR762HKP-16618$8.95 -
H&K HK MR762/417 Recoil Buffer Spring
H&K Heckler & Koch
$49.95H&K HK MR762/417 Recoil Buffer Spring A must have wear and replacement part for your, HK 417 & MR762 firearm.HKP-16608$49.95 -
H&K MP5 40/10 Chamber Flute Brush
H&K Heckler & Koch
$29.95New HK German MP5 40, MP5 10mm Chamber Flute Brush This is a must-have brush to keep the flute clean and the firearm running the way it should. Get this item while you can, it is no longer in production and is hard to find. Compatible With: MP5 40 MP5...HKP-00139$29.95 -
H&K MP5, 94 & HK53 HKey MLI Handguard - MRS - RAL 8K
H&K Heckler & Koch
$499.95H&K MP5, 94 & HK53 HKey "MLI" Handguard - MRS - RAL 8000 The HKey mod "Mid Life Improvement" tactical hand guard easily installs on your firearm with minimal effort and locks up solid. No fitting required. Compatible With: HK MP5, 94 HK...HKP-17665$499.95