Rifle / SMG Parts

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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  • MI HK MP5-A2 Handguard, M-LOK Compatible MI HK MP5-A2 Handguard, M-LOK Compatible

    MI HK MP5-A2 Handguard, M-LOK Compatible

    MI Midwest Industries

    $138.95
    MI HK MP5-A2 - M-LOK Handguard Features: Professional grade one piece design Simple installation, includes all tools Extremely lightweight design Shortened to allow for use of front sling attachments MI Lifetime Warranty Patent pending Compatible...
    HKP-19363
    $138.95
    Qty in Cart: 0
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    $138.95
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  • H&K MP5K/SP89/SP5K 9mm End Cap H&K MP5K/SP89/SP5K 9mm End Cap

    H&K MP5K/SP89/SP5K 9mm End Cap

    H&K Heckler & Koch

    $99.95
    HK Factory German MP5K, SP-89, & SP5K End Cap With Sling Swivel Each pistol end cap is OEM HK German MP5K and MP5K-N and has the HK German factory buffer.  Compatible With: MP5K SP89 SP5K MP5K-N MP5K-PDW MP5K Clone Or Other Custom Builds
    HKP-00394
    $99.95
    Qty in Cart: 0
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    $99.95
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  • H&K SP5K 9mm Drop In Paddle Mag Release Upgrade Kit H&K SP5K 9mm Drop In Paddle Mag Release Upgrade Kit

    H&K SP5K 9mm Drop In Paddle Mag Release Upgrade Kit

    H&K Heckler & Koch

    $129.95
    German HK SP5K Anti-Rattle Roller Tipped Paddle Magazine Release Kit No modifications, no refinishing...complete drop-in kit included New HK German & USA made paddle mag release kit for the HK SP5K. This kit will allow any end-user to quickly...
    HKP-18082
    $129.95
    Qty in Cart: 0
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  • PTR Universal Windage Adjustment Knob For Rear Sight PTR Universal Windage Adjustment Knob For Rear Sight

    PTR Universal Windage Adjustment Knob For Rear Sight

    PTR

    $9.95
    HK 90 Series Hand Windage Adjustment Knob For Rear Sights Steel windage screw that allows you to adjust the windage for the rear sights with a quick and easy adjustment without the use of a screwdriver as found on the factory rear sight screws. Perfect...
    HKP-01444
    $9.95
    Qty in Cart: 0
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    $9.95
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  • Surefire - 328LMF - Lighted Forearm Surefire - 328LMF - Lighted Forearm

    Surefire - 328LMF - Lighted Forearm

    Surefire

    $599.95
    Surefire - 328LMF - Lighted Forearm The SureFire 328LMF-B replaces the original forend of your Heckler & Koch MP5 submachine gun, HK53 rifle, or HK94 carbine. Extremely compact 3-volt (1-battery) system features a virtually indestructible LED emitter...
    HKP-17632
    $599.95
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  • GSG9 HK G36/SL8 (5.56/.223) Forearm, Lower, Magwell - Push Pin

    GSG9 HK G36/SL8 (5.56/.223) Forearm, Lower, Magwell - Push Pin

    GSG9

    $21.95
    HK G36, SL8 Push Pin For Forearm, Magwell & Lower  Each push pin/locking pin retains the forearm, magwell & lower to the upper receiver. Each G36 style firearm uses a total of 3X of these push pins. Compatible With: G36 G36K G36C G36...
    HKP-18221
    $21.95
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    $21.95
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  • H&K 91/G3 (7.62x51/.308) Fixed Stock Complete - Black - Surplus

    H&K 91/G3 (7.62x51/.308) Fixed Stock Complete - Black - Surplus

    H&K Heckler & Koch

    $129.95
    German 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-18936
    $129.95
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  • H&K Flash Hider Retaining Ring

    H&K Flash Hider Retaining Ring

    H&K Heckler & Koch

    $1.49
    HK Flash Hider Retaining Ring Brand new HK German manufacture.  HK flash hider/muzzle break retaining ring.  This item is the ring that fits inside the flash hider that indexes with the splines of the HK barrel to provide a postive lockup of...
    HKP-16451
    $1.49
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    $1.49
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  • H&K HK MP7A1, MP7A2 Flip Front & Rear Sight Set H&K HK MP7A1, MP7A2 Flip Front & Rear Sight Set

    H&K HK MP7A1, MP7A2 Flip Front & Rear Sight Set

    H&K Heckler & Koch

    $529.95
    H&K HK Parts MP7A1, MP7A2 Flip Front & Rear Sight Set Includes front and rear iron sights, which allows the shooter to see the target and enables faster sight acquisition. This sight set is compatible with the G36, 416, or all other Picatinny...
    HKP-00024
    $529.95
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  • H&K MP5K/SP5K 9mm SEF Trigger Housing - Universal H&K MP5K/SP5K 9mm SEF Trigger Housing - Universal

    H&K MP5K/SP5K 9mm SEF Trigger Housing - Universal

    H&K Heckler & Koch

    $199.95
    H&K MP5K/SP5K 9mm SEF Trigger Housing - Universal A one size fits all approach for the MP5K and SP5K style semi-auto shelf. This is the best option for MP5K and SP5K receivers. Easily interchange the lower trigger group assembly without swapping...
    HKP-20557
    $199.95
    Qty in Cart: 0
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  • HKP HK MP5 .22LR - Universal Optic Mount - Black HKP HK MP5 .22LR - Universal Optic Mount - Black

    HKP HK MP5 .22LR - Universal Optic Mount - Black

    HKP HK Parts

    $119.95
    HKP HK MP5 .22LR - Universal Optic Mount - Black Just in! Our latest and greatest MP5.22 optic mount that is a true universal mount. Using the same VP9 optic ready format and optic plates you can now mount any optic mount that is compatible with any VP9...
    HKP-20968
    $119.95
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  • HKP MP5, 94 Operator's Manual HKP MP5, 94 Operator's Manual

    HKP MP5, 94 Operator's Manual

    HKP HK Parts

    $14.95
    HKP MP5, 94 Operator's Manual The MP5, 94 or other HK MP5 clones Operator Manual is 36 pages of a page by page translation of the original Bundeswehr ( German Federal Army) instruction manual for their service machine pistol, the MP5. There are 26...
    HKP-15765
    $14.95
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  • HKP MP5, HK94 Cocking Tube HKP MP5, HK94 Cocking Tube

    HKP MP5, HK94 Cocking Tube

    HKP HK Parts

    $79.95
    New HK MP5/HK94 Cocking Tub Features include an enlarged charging handle, clamping pin, and access hole, as found on the latest style MP5F/40/10 cocking tube.  Compatible With: MP5, 94 Custom HK MP5, 94 style builds
    HKP-01843
    $79.95
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  • MKE 93/53/33 (5.56/.223) - A3 Retractable Stock MKE 93/53/33 (5.56/.223) - A3 Retractable Stock

    MKE 93/53/33 (5.56/.223) - A3 Retractable Stock

    MKE

    $399.95
    HK 93, 33, 53 & Z43 - A3 Stock - Cerakote Looking to upgrade your HK93 build with a A3 retractable stock? We've got you covered! Our latest generation O.D. Green rear stock section has been professionally Cerakoted in sleek black, giving your 93, 53,...
    HKP-21287-M
    $399.95
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  • On Sale
    Franklin Armory HK MP5K - BFSIII HK-C1 Binary SEF Navy Style Trigger Group

    Franklin Armory HK MP5K - BFSIII HK-C1 Binary SEF Navy Style Trigger Group

    FA Franklin Armory

    Now: $703.95
    Was: $879.95
    Franklin Armory HK MP5K - BFSIII HK-C1 Binary SEF Navy Style Trigger Group In position 3 it will fire 1 round on pull and 1 round on release. With a 4.5 lb trigger pull, making this the fastest semi-automatic trigger on the market. The BFSIII™ is...
    HKP-20928-M
    Now: $703.95
    Was: $879.95
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    Now: $703.95
    Was: $879.95
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  • H&K 91/G3 (7.62x51/.308) Bolt Locking Lever Set

    H&K 91/G3 (7.62x51/.308) Bolt Locking Lever Set

    H&K Heckler & Koch

    $19.95
    HK91, G3, & PTR-91 .308 HK Bolt Carrier Bolt Locking Lever Set This is the bolt carrier locking lever set that retains the bolt head to the carrier. Each Locking Lever Set Includes: 7.62 locking lever Locking lever axle...
    HKP-02683
    $19.95
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    $19.95
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  • H&K 91/G3 (7.62x51/.308) Full Auto Bolt Carrier - Surplus H&K 91/G3 (7.62x51/.308) Full Auto Bolt Carrier - Surplus

    H&K 91/G3 (7.62x51/.308) Full Auto Bolt Carrier - Surplus

    H&K Heckler & Koch

    $149.95
    HK G3 Factory Full Auto Bolt Carrier - German German HK 70'- 80's production used surplus bolt carrier with locking lever, spring, and axle pin installed. Most are NOT date-coded on the top of the carrier. Most will be marked on the side or, more...
    HKP-01952
    $149.95
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  • H&K HK MR556/MR762/416/417 33mm Front Folding Sight H&K HK MR556/MR762/416/417 33mm Front Folding Sight

    H&K HK MR556/MR762/416/417 33mm Front Folding Sight

    H&K Heckler & Koch

    $149.95
    33mm Front Folding Sight Tower-MR416, MR762 & HK416/HK417 HK 416 Or MR556 Front Folding Sight. This item attaches directly to the front gas block of the HK 416 & MR556 or MR762/HK417. Designed to be used in conjunction with - Flip Up Rear...
    HKP-02548
    $149.95
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  • H&K HK MR762/417 Bench Mat H&K HK MR762/417 Bench Mat

    H&K HK MR762/417 Bench Mat

    HKP HK Parts

    $24.95
    HK MR762, HK 417 Bench Mat Our HK MR762, HK417 bench mat is the perfect cleaning & repair mat designed specifically for your Heckler & Koch MR762 & HK417 models. Have fun and learn while you work on your favorite H&K firearm. The soft top...
    HKP-17170
    $24.95
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  • HKP HK MP5 .22LR Stock Adapter HKP HK MP5 .22LR Stock Adapter

    HKP HK MP5 .22LR Stock Adapter

    HKP HK Parts

    $99.95 - $109.95
    Stock Adapter - HK MP5 .22 LR Our HK Parts stock adapter was made from a solid billet of CNC machined aircraft grade aluminum with QD sling attachment points. Properly buffered with factory correct “H” buffers to protect your valuable firearm...
    HKP-20795-M
    $99.95 - $109.95
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  • HKP SEF Short Axle Selector Lever For Metal Trigger Housings Only HKP SEF Short Axle Selector Lever For Metal Trigger Housings Only

    HKP SEF Short Axle Selector Lever For Metal Trigger Housings Only

    HKP HK Parts

    $19.95
    HKP SEF Short Axle Selector Lever For Metal Trigger Housings Only HK German steel SEF selector lever.  Please note that the polymer (plastic) style SEF housing uses the longer axle SEF selector lever not this product offering. Brand new factory...
    HKP-17910
    $19.95
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    $19.95
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  • MI HK MP5 M-LOK Suppressor Handguard MI HK MP5 M-LOK Suppressor Handguard

    MI HK MP5 M-LOK Suppressor Handguard

    MI Midwest Industries

    MSRP: $199.95
    $189.95
    MI HK MP5 M-LOK Suppressor Handguard   The Midwest Industries M-LOK suppressor handguard is designed to fit over your suppressor for extra protection and extending mounting options.  Made in the USA from 6061 aluminum for a lifetime of service...
    HKP-21556
    MSRP: $199.95
    $189.95
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    MSRP: $199.95
    $189.95
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  • MI HK MP5K M-LOK Suppressor Handguard MI HK MP5K M-LOK Suppressor Handguard

    MI HK MP5K M-LOK Suppressor Handguard

    MI Midwest Industries

    MSRP: $179.95
    $169.95
    MI HK MP5K M-LOK Suppressor Handguard   The Midwest Industries M-LOK suppressor handguard is designed to fit over your suppressor for extra protection and extending mounting options.  Made in the USA from 6061 aluminum for a lifetime of service...
    HKP-21563
    MSRP: $179.95
    $169.95
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    MSRP: $179.95
    $169.95
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  • Out Of Stock
    MP5 Brush Combo - All Calibers MP5 Brush Combo - All Calibers

    MP5 Brush Combo - All Calibers

    HK Parts, Heckler & Koch

    $44.95
    HK German/USA Brush Set Combo All the HK custom brushes you will need to clean your barrel, chamber, chamber face, receiver, magwell, and magazines. These are the brushes you will need to properly clean and maintain your MP5. This will work with all MP5...
    HKP-16680
    $44.95
    Qty in Cart: 0
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    $44.95
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  • H&K 93/91/33/53/G3 (5.56/.223) & (7.62x51/.308) Bolt Locking Lever Spring For Bolt Head

    H&K 93/91/33/53/G3 (5.56/.223) & (7.62x51/.308) Bolt Locking Lever Spring For Bolt Head

    H&K Heckler & Koch

    $4.95
    HK Bolt Carrier Bolt Locking Lever Spring New HK German factory bolt carrier locking lever spring for locking lever latch. Compatible With: HK G3, HK91 PTR models HK93, 33, 53 Other clones and custom builds
    HKP-16274
    $4.95
    Qty in Cart: 0
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    $4.95
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  • H&K Burst Trigger Group Armorers Manual

    H&K Burst Trigger Group Armorers Manual

    H&K Heckler & Koch

    $19.95
    H&K Burst Trigger Group Armorers Manual This manual will help with the disassembly, repair, and maintenance of all HK burst trigger groups.
    HKP-00102
    $19.95
    Qty in Cart: 0
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    $19.95
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  • HK G36/SL8 (5.56/.223) Factory Recoil Buffer

    HK G36/SL8 (5.56/.223) Factory Recoil Buffer

    USA

    $16.95
    HK G36 Or SL8 Factory Recoil Buffer A must have spare part as the buffer is prone to wear and breakage. Compatible With: All HK G36 models SL8 models Clones
    HKP-18541
    $16.95
    Qty in Cart: 0
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    $16.95
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  • HKP HK UMP 2 Position Lower Grip Frame - FDE HKP HK UMP 2 Position Lower Grip Frame - FDE

    HKP HK UMP 2 Position Lower Grip Frame - FDE

    HKP HK Parts

    $149.95
    UMP - 2 Position Lower Grip Frame - FDE New 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. Compatible With: UMP .45 UMP .40 UMP 9mm USC conversions (NFA...
    HKP-19384
    $149.95
    Qty in Cart: 0
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    $149.95
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  • HKP MP5 & MP5K 9mm Magazine Follower & Locking Plate Set HKP MP5 & MP5K 9mm Magazine Follower & Locking Plate Set

    HKP MP5 & MP5K 9mm Magazine Follower & Locking Plate Set

    HKP HK Parts

    $8.95
    HKP MP5 & MP5K 9mm Magazine Follower & Locking Plate Set  A drop in item that allows you to swap your follower & locking plate to green or red. Best for a quick empty mag identifier. A great training or range aid at a great price. Made...
    HKP-21573-M
    $8.95
    Qty in Cart: 0
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    $8.95
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  • HKP Tactical Rail - 6 Inch - HK91/93 HKP Tactical Rail - 6 Inch - HK91/93

    HKP Tactical Rail - 6 Inch - HK91/93

    HKP HK Parts

    $14.95
    HKP Tactical Rail - 6 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-00831
    $14.95
    Qty in Cart: 0
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    $14.95
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  • H&K 91/G3 (7.62x51/.308) Rubberized Cocking Handle H&K 91/G3 (7.62x51/.308) Rubberized Cocking Handle

    H&K 91/G3 (7.62x51/.308) Rubberized Cocking Handle

    H&K Heckler & Koch

    $24.95
    HK German G3 & HK 91 Rubberized Cocking Handle - Newest Style A genuine Heckler & Koch part. This is the latest style cocking handle that replaces the standard plastic style cocking handle that chips, cracks, and eventually falls off. This new...
    HKP-00509
    $24.95
    Qty in Cart: 0
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    $24.95
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  • H&K HK MR556/416 Bolt Catch Pin

    H&K HK MR556/416 Bolt Catch Pin

    H&K Heckler & Koch

    $4.95
    HK MR556 & HK 416 Bolt Catch Pin The factory roll pin is used to hold the bolt catch in place. Great to have on hand in the event this item becomes lost or damaged when doing maintenance
    HKP-02677
    $4.95
    Qty in Cart: 0
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    $4.95
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  • Out Of Stock
    H&K Navy Extended Selector Lever - 3 Position H&K Navy Extended Selector Lever - 3 Position

    H&K Navy Extended Selector Lever - 3 Position

    H&K Heckler & Koch

    $199.95
    HK Ambidextrous Left Side EXTENDED (ESSL) 3 Position Navy Selector Lever  New German HK Extended lever for all 3 position navy ambidextrous trigger packs or trigger groups. It will not fit SEF-style trigger packs.   
    HKP-00125
    $199.95
    Qty in Cart: 0
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    $199.95
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  • HKP 30 Round HK 416/COLT M4 .22 Magazine Spring

    HKP 30 Round HK 416/COLT M4 .22 Magazine Spring

    HKP HK Parts

    $3.95
    HK 416 & Colt .22 30 Round 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.  Compatible With All 30 Round .22 Mags For: HK 416 Colt M4 G36
    HKP-14409
    $3.95
    Qty in Cart: 0
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    $3.95
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  • HKP HK G3,91,PTR, 93,33 & MP5, 94 Pinned Hammer Strut HKP HK G3,91,PTR, 93,33 & MP5, 94 Pinned Hammer Strut

    HKP HK G3,91,PTR, 93,33 & MP5, 94 Pinned Hammer Strut

    HKP HK Parts

    $13.95
    HKP HK G3,91,PTR, 93,33 & MP5, 94 Pinned Hammer Strut New USA hammer strut for 90 series rifles and pistols. A perfect spare to have on hand. This is a pinned hammer spring shank. Perfect for your HK project or rebuild. Compatible With: HK trigger...
    HKP-20315
    $13.95
    Qty in Cart: 0
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    $13.95
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  • HKP HK UMP, G36 Selector Lever HKP HK UMP, G36 Selector Lever

    HKP HK UMP, G36 Selector Lever

    HKP HK Parts

    $8.95
    HK UMP & G36 Left Side Safety Selector Lever With Axle - Replacement selector for HK PARTS TRIGGER GROUP HK Parts selector lever for the left side of our own 2 position FBI U.S housing for the UMP pictogram lowers. Compatible With: U.S FBI 2...
    HKP-20180
    $8.95
    Qty in Cart: 0
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    $8.95
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  • PTR (5.56/.223) & (7.62x51/.308) Muzzle Brake - Threaded 5/8x24 RH - CA/NY Compliant PTR (5.56/.223) & (7.62x51/.308) Muzzle Brake - Threaded 5/8x24 RH - CA/NY Compliant

    PTR (5.56/.223) & (7.62x51/.308) Muzzle Brake - Threaded 5/8x24 RH - CA/NY Compliant

    PTR

    $24.95
    PTR (5.56/.223) & (7.62x51/.308) Muzzle Brake - NY/CA Compliant - Threaded 5/8x24 RH This new muzzle brake is made in the USA to exact HK standards. The best quality & price in the country. This muzzle device is a partially milled version (not...
    HKP-17927
    $24.95
    Qty in Cart: 0
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    $24.95
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  • H&K 91/G3 (7.62x51/.308) Complete F/A Lower (SEF)  - Green H&K 91/G3 (7.62x51/.308) Complete F/A Lower (SEF)  - Green

    H&K 91/G3 (7.62x51/.308) Complete F/A Lower (SEF) - Green

    H&K Heckler & Koch

    $349.95
    German G3 Surplus Lower Complete - Green HK G3 SEF Steel Lower Complete. Each lower includes full auto trigger pack complete, selector lever, green grip, metal SEF grip frame, grip screw with screw washer. All of these parts are installed and ready to go...
    HKP-16215
    $349.95
    Qty in Cart: 0
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    $349.95
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