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 - MM HK 21E (7.62x51/.308) Belt Box - HKP-17752
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    HK21E Ammunition Belt Box - 7.62x51 / .308

    Michaels Machines

    $674.95
    HK21E & MM21E Belt Box Brand new HK21E, MM21E US made feed box. The German units have long since been out of production. These are exact replicas of the German units. Made in the USA. Compatible With: HK21E  MM21E
    HKP-17752
    $674.95
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  • New - HKP MP5K/SP89/SP5K 9mm Cocking Tube Support Complete - HKP-18103 HK MP5K, SP89, SP5K Cocking Tube Support - 9mm
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    HK MP5K, SP89, SP5K Cocking Tube Support - 9mm

    HKP HK Parts

    $49.95
    MP5K, SP89 & SP5K Cocking Tube Support Complete - USA The cocking tube support is the same for the HK SP-89, MP5K & SP5K. Each support is complete with detent and spring installed. These can also be used to replace the plastic or cheaply made...
    HKP-18103
    $49.95
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  • New - Ergo M-LOK Hand Stop - HKP-17852
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    Ergo M-LOK Handstop

    Ergo

    $54.95
    M-LOK Hand Stop/Barricade Stop in Black Features: Aggressive textured front for enhanced traction on barricades and obstacles Low profile base also functions as a comfortable hand stop Black anodized 6061-T6 aluminum Fits all M-LOK style forearms or...
    HKP-17852
    $54.95
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  • HK91, G3, PTR Magazine - 20 Round - Date Coded - Like New HK91, G3, PTR Magazine - 20 Round - Date Coded - Like New
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    HK91, G3, PTR Magazine - 20 Round - Date Coded - Like New

    H&K Heckler & Koch

    $34.95
    Heckler and Koch HK91, G3, PTR 20 Round Date Coded Magazine - Like New Factory German HK 20 round magazine for HK91, G3, and PTR91 pattern rifles. Offered in IB or IC date codes for those seeking original German date coded magazines in like new...
    HKP-22560-M
    $34.95
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  • New - H&K Screwdriver for Adjustable Rear Sight - HKP-21981 HK Screwdriver for Adjustable Rear Sight
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    HK Screwdriver for Adjustable Rear Sight

    H&K Heckler & Koch

    $10.95
    Screwdriver for Adjustable Rear Sight Precision screwdriver designed for adjusting rear sights. Ideal for fine-tuning windage and elevation.    
    HKP-21981
    $10.95
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  • New - HKP HK G36 Picatinny Adapter - Gen 2 - HKP-21866 HK G36 Picatinny Adapter - Gen 2
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    HK G36 Picatinny Adapter - Gen 2

    HKP HK Parts

    $139.95
    HKP HK G36 Picatinny Adapter - Gen 2 Elevate your G36 with the Gen 2 Picatinny adapter, designed to effortlessly attach any 1913-style stock or brace. Our refined design guarantees a secure attachment for stocks and braces and delivers an adjustable...
    HKP-21866
    $139.95
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  • New - HK G36, HK SL8, HK 416, HK MR556 Gas Piston - Black - HKP-14540 HK416, MR556, G36, SL8 Gas Piston
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    HK416, MR556, G36, SL8 Gas Piston

    USA

    $79.95
    HK G36, HK SL8, HK 416, & HK MR556 Gas Piston Complete assembly with 3X rings installed and nitrided black. Counts as one US-made compliant part for your SL8-G36 style conversion. This is one of the best parts to use on the conversion as it is one of...
    HKP-14540
    $79.95
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  • New - SB Tactical HK MP5 Brace with HKP Brace/Stock Adapter - HKP-20214 HK MP5 Brace With Direct Fit Adapter
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    HK MP5 Brace With Direct Fit Adapter

    HKP HK Parts / SB Tactical

    $299.95
    HK MP5 Brace With Direct Fit Adapter Each brace comes assembled ready to install no assembly required. This complete brace will come assembled with our own HK Parts stock adapter. CNC machined aircraft grade aluminum with QD sling attachment point. Made...
    HKP-20214
    $299.95
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  • Used - H&K G3 (7.62x51/.308) Parts Kit - HKP-00827 HK G3 Parts Kit
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    HK G3 Parts Kit

    H&K Heckler & Koch

    $397.95
    HK German G3 .308/7.62 X 51mm Surplus Parts Kit Each parts kit comes with all parts from a functional HK G3 full auto rifle that was demilled into a parts kit except for the barrel and receiver. Each part of the parts kit will vary from fair to excellent...
    HKP-00827
    $397.95
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  • New - Magpul M-Lok Tape Switch - Surefire ST - HKP-21480 Surefire ST Mounting Plate - Tape Switch - M-LOK
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    Surefire ST Mounting Plate - Tape Switch - M-LOK

    Magpul

    $14.95
    Magpul M-Lok Tape Switch - Surefire ST The M-LOK tape switch mounting plate is designed to attach surefire ST pressure pads on M-LOK compatible systems. It is molded of the same high quality polymer as other Magpul products, combining light weight with...
    HKP-21480
    $14.95
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  • New - Timney HK MP5K 9mm 2-Stage Trigger Complete - HKP-20515-M HK MP5K 2-Stage Trigger Group - 9mm - Complete
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    HK MP5K 2-Stage Trigger Group - 9mm - Complete

    Timney Triggers

    $498.95
    Timney Trigger for MP5K, SP5K The SEF Timney trigger group comes completely assembled, ready to drop into your receiver. Features a 3rd generation German ejector lever, new SEF selector lever, and a brand new factory German housing. Available exclusively...
    HKP-20515-M
    $498.95
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  • Out Of Stock
    New - B&T APC9/APC45/APC223/APC300 Telescopic Brace/Stock Adapter - HKP-19860 B&T APC Stock or Brace Adapter - Telescopic

    B&T APC Stock or Brace Adapter - Telescopic

    B&T Brugger & Thomet

    $94.95
    B&T APC9/APC45/APC223/APC300 Telescopic Brace/Stock Adapter Swiss made B&T brace adapter for the APC9/APC45/APC223/ACP300 telescopic stock. Adapter replaces the buttpad on the BT-20394 and BT-20407 APC telescopic stocks and allows the attachment...
    HKP-19860
    $94.95
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