HK Rifle / SMG Parts

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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  • New - H&K MP5 & MP5K Stop Pin, Axle Set For Bolt Carrier - HKP-02558 HK MP5, MP5K Bolt Carrier Stop Pin and Axle Set
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    HK MP5, MP5K Bolt Carrier Stop Pin and Axle Set

    H&K Heckler & Koch

    $14.95
    MP5 & MP5K Stop Pin, Axle Set For Bolt Carrier Each set is designed to keep the locking piece clocked at the correct location and in place when the stop axle and pin set are installed in the carrier. This item can become damaged...
    HKP-02558
    $14.95
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  • New - MP5, MP5K & HK53 Optic View Front Sight Tower - HKP-17879
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    HK MP5, MP5K, HK33 Optic View Front Sight Tower

    $54.95
    Billeted One Piece "Optic View" Front Sight Tower HK front sight tower machined as one solid seamless billeted piece. The finest front sight tower that has been machined to allow the use of the unobstructed partial view or optic view of the front sight...
    HKP-17879
    $54.95
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  • Out Of Stock
    Used - H&K HK G3, 91, PTR Bolt Head Complete - LIKE NEW - HKP-20227 HK91, HK G3, PTR Bolt Head, Complete - LIKE NEW

    HK91, HK G3, PTR Bolt Head, Complete - LIKE NEW

    H&K Heckler & Koch

    $179.95
    German Bolt Head Complete - Used German "ID" Date Coded HK G3, HK91, and PTR  Made on HK tooling and prints in Germany in 1983. Each used bolt head is complete with all parts installed and 100% functional. Taken from live demilled German HK G3...
    HKP-20227
    $179.95
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  • New - HKP HK MP5K Folding Stock w/ Adapter - Black - HKP-19550 HK MP5K Folding Stock with Adapter
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    HK MP5K Folding Stock with Adapter

    $269.95
    German Folding Stock with HK Parts Adapter - MP5K German folding stock with MP5K HK Parts Adapter. The HK Parts adapter offers a QD attachment point and is made from hard coat anodized aluminum. Compatible With: MP5K SP5K In spec clones  
    HKP-19550
    $269.95
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  • New - H&K HK G28 Extended Buffer Tube Castle Nut - Black - HKP-16763
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    HK417, MR762, G28 Buffer Tube Castle Nut - Extended

    H&K Heckler & Koch

    $85.95
    Heckler and Koch Buffer Tube Castle Nut for HK G28, HK417 and HK MR762  New HK German G28 castle nut for the HK MR762, HK417, and G28 models. Black in color. This is the proper part for use with the G28 buffer tube and stock upgrades...
    HKP-16763
    $85.95
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  • New - HKP HK UMP/USC (.40 S&W/.45 ACP/9mm) Complete Recoil Rod Assembly - HKP-17989 HK UMP, USC Recoil Rod Assembly, Complete - US Made
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    HK UMP, USC Recoil Rod Assembly, Complete - US Made

    HKP HK Parts

    $59.95
    HKP HK Parts Complete Recoil Spring and Rod Assembly for USC, UMP 45/40/9mm New USA made recoil assembly complete. Our design allows for easy repair and replacement of the recoil spring itself without replacing the entire recoil assembly as found on the...
    HKP-17989
    $59.95
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  • New - H&K Universal Harris Bipod Adapter - HKP-01852 HK Universal Harris Bipod Adapter
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    HK Universal Harris Bipod Adapter

    H&K Heckler & Koch

    $209.95
    HK Factory Harris Bipod Adapter - Low Profile This adapter is to attach the Harris bipod to any Picatinny rail. It is compatible with all Picatinny railed forearms or applications. A new HK German manufactured part made for the HK 416, MR556, HK417...
    HKP-01852
    $209.95
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  • New - RCM HK 93/53/33 # 8 Locking Piece 53 Degree - HKP-16555
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    HK33, HK53, HK93 Locking Piece # 8 - 53 Degree

    RCM

    $49.95
    RCM HK 93/53/33 # 8 Locking Piece 53 Degree New 53 Degree #8 Locking Piece for the HK 93, 33, C93 & V93 rifles. Made in the USA from ordnance grade steel, heat treated and made to last. A pefect upgrade for your well used or questionable C93 or C93P...
    HKP-16555
    $49.95
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  • New - H&K Trip Lever - Friction - HKP-02393 HK Trip Lever - Friction
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    HK Trip Lever - Friction

    H&K Heckler & Koch

    $24.95
    H&K Trip Lever - Friction This is the older friction-style trigger pack found on older HK trigger packs and all HK registered sear packs.
    HKP-02393
    $24.95
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  • On Sale
    New - HKP 3-Lug Adapter - Threaded 1/2x32 - HKP-00107
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    HK MP5, SP5 3 Lug Adapter - Threaded 1/2x32

    HKP HK Parts

    Now: $29.95
    Was: $49.95
    HKP 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
    Now: $29.95
    Was: $49.95
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  • New - KCI 30 Round MP5 9mm Magazine - 10 Pack - HKP-22058 HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - 10 Pack
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    HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - 10 Pack

    KCI

    $349.95
    KCI 30 Round MP5 9mm Magazine - 10 Pack Features: Latest generation and factory fresh, individually sealed magazine 30-round capacity 9mm caliber marked (9mm x 19) Curved for more reliable feeding with steel chrome follower All steel...
    HKP-22058
    $349.95
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  • New - H&K HK MR556/416/MR762 Battle Grip Storage Cap - HKP-15251 HK416, MR556, HK417, MR762 Storage Cap - Pistol Grip
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    HK416, MR556, HK417, MR762 Storage Cap - Pistol Grip

    H&K Heckler & Koch

    $29.95
    H&K HK MR556/416/MR762 Battle Grip Storage Cap This part is the replacement grip plug for the bottom of the HK battle grip. Compatible With: HK MR556 HK 416 HK MR762 Please Note: Does not fit for the HK416 .22LR models**
    HKP-15251
    $29.95
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