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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  • On Sale
    New - GSG 22 Round GSG-5/GSG-16 .22LR Magazine - Black - HKP-00794 GSG  22 Round GSG-5/GSG-16 .22LR Magazine
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    GSG 22 Round GSG-5/GSG-16 .22LR Magazine

    GSG German Sports Guns

    Now: $26.95
    Was: $29.95
    GSG 22 Round GSG-5/GSG-16 .22LR Magazine The GSG magazine is a standard factory replacement magazine. The magazine is made from high-quality polymer and features a matte finish.  Compatible With: GSG-16 GSG5 GSG522 GSG5PK GSG-16PK  Please...
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    Was: $29.95
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    New - H&K G36 (5.56/.223) Rear Stock Axle Pin - HKP-00741

    HK G36 Stock Axle Pin

    H&K Heckler & Koch

    Now: $35.06
    Was: $38.95
    G36 Stock Axle Pin For SL8 To G36 Stock Conversion New HK German manufacture. This is the axle pin that holds the G36 or G36C folding stock to the rear section of the receiver. Also used to mount the US-made rear stock block for those who are doing the...
    Now: $35.06
    Was: $38.95
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    New - HKP/H&K MP5/MP5K 9mm Muzzle Brake - 3-Lug - HKP-20323 HK MP5, MP5K 9mm Muzzle Brake - 3-Lug - QD
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    HK MP5, MP5K 9mm Muzzle Brake - 3-Lug - QD

    HKP HK Parts

    Now: $87.96
    Was: $109.95
    HKP MP5, MP5K 9mm Muzzle Brake - 3-Lug Easily attaches to MP5-spec. 9mm tri-lug barrels.  This HK muzzle brake features the new style locking latch that seats flush and doesn't come off while shooting like the 1st generation style were prone to...
    Now: $87.96
    Was: $109.95
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    New - B&T MP5, MP5K Low Profile Mount, Extended T1/T2 - HKP-16876 HK MP5, MP5K Optic Mount - Low Profile - Extended - Picatinny

    HK MP5, MP5K Optic Mount - Low Profile - Extended - Picatinny

    B&T Brugger & Thomet

    Now: $143.95
    Was: $159.95
    B&T MP5, MP5K Low Profile Picatinny Mount  Specifications: Color: Black Height max: 23.5 mm Length max: 138 mm Length of top rail: 138 mm Material: Aluminum NATO Accessory Rails: 1 weaver type style rail Part number: BT-21241 Treatment:...
    Now: $143.95
    Was: $159.95
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    New - PTR HK 91/G3 (7.62x51/.308) Cocking Handle - HKP-00376
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    HK91, G3 Cocking Handle - Compliant - US

    PTR

    Now: $23.36
    Was: $25.95
    HK U.S. Made Cocking Handle - PTR Manufactured Compliant parts are hard to find and important for keeping your HK G3 and HK 91 build 922r compliant.  
    Now: $23.36
    Was: $25.95
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    New - H&K 91/G3 (7.62x51/.308) Ejector Lever - HKP-00832
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    HK91, G3 Ejector Lever

    H&K Heckler & Koch

    Now: $22.45
    Was: $24.95
    New H&K .308 Ejector Lever   Genuine HK German part. Compatible With: HK G3 HK 91 PTR-91 HK 51
    Now: $22.45
    Was: $24.95
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    New - H&K MP5SD Sealing Ring - HKP-00142

    HK MP5SD Sealing Ring

    H&K Heckler & Koch

    Now: $26.95
    Was: $29.95
    H&K MP5SD Sealing Ring Each HK MP5SD sealing ring is the sealing gasket that seals the SD suppressor against the trunnion on factory HK MP5SD's or factory correct SD conversions. This is a typical wear item as they do degrade and crack. Compatible...
    Now: $26.95
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    New - HKP SEF Enhanced Ambi Selector Set - Navy Style - HKP-18065 HK SEF Enhanced Ambi Selector Set - Navy Style
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    HK SEF Enhanced Ambi Selector Set - Navy Style

    HKP HK Parts

    Now: $61.56
    Was: $76.95
    Ambidextrous Selector Lever Set For SEF Navy Style Polymer Grip Frames Features: Made in the USA Billet machined enhanced left & right side selector lever set Latest HK style titanium detent, enhanced spring for positive movement between...
    Now: $61.56
    Was: $76.95
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  • On Sale
    New - H&K Roller Type Trip Lever - HKP-02466 HK Roller Type Trip Lever
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    HK Roller Type Trip Lever

    H&K Heckler & Koch

    Now: $26.95
    Was: $29.95
    H&K Roller Type Trip Lever This is a genuine German Heckler & Koch part. This is the newer style trip lever for use with a roller sear catch, not the older friction type. Please Note: May or may not be marked with the X or XX...
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    New - HKP HK G36C Rear Stock - Black - HKP-18218 HKP HK G36C Stock

    HKP HK G36C Stock

    Now: $96.29
    Was: $106.99
    HKP G36C Stock HK G36C 9.5" stock assembly. One full inch shorter than the standard G36/G36K stock. Each G36C stock is compatible with all G36 variants. This is the preferred stock for average height shooters. Compatible With: G36 G36K G36C G36E SL8 to...
    Now: $96.29
    Was: $106.99
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  • On Sale
    Used - H&K 91/G3 (7.62x51/.308) Cocking Handle - Green Rubberized - Surplus - HKP-17082 HK91, G3 Cocking Handle - Green Rubberized - Surplus
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    HK91, G3 Cocking Handle - Green Rubberized - Surplus

    H&K Heckler & Koch

    Now: $8.05
    Was: $8.95
    HK German HK G3 & HK 91 Older Style HK Green Cocking Handle Used green handled German military surplus cocking handle. No longer made or offered by HK. A genuine Heckler and Koch part. Compatible With: HK 91 HK G3 PTR-91 HK 51 HK PSG-1 HK MSG-90 HK...
    Now: $8.05
    Was: $8.95
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    New - AC-Unity HK G3 Pistol Grip - HKP-21629 HK MP5, HK91, G3 Pistol Grip
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    HK MP5, HK91, G3 Pistol Grip

    AC-Unity

    Now: $8.96
    Was: $9.95
    AC-Unity HK G3 Pistol Grip Beautifully designed and textured for a great feel and sure grip. It also goes correct for HK33 or MP5 style weapons using buttstocks mounted with steel backplates. It is made from an advanced polymer-resin/granulate that is...
    Now: $8.96
    Was: $9.95
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