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 UMP/USC (.40 S&W/.45 ACP/9mm) Firing Pin Spring - HKP-00262
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    HK UMP, USC Firing Pin Spring

    H&K Heckler & Koch

    $9.95
    H&K UMP/USC (.40 S&W/.45 ACP/9mm) Firing Pin Spring This is a common wear and breakage item. This item also frequently becomes lost by end users when field stripping the UMP and USC Bolts.  Compatible with: All HK UMP & USC Firearms
    HKP-00262
    $9.95
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    $9.95
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  • New - B&T HK G3/91/PTR Low Profile Mount - Short Version - HKP-16869 HK91, G3 Optic Mount - Low Profile - Short Version
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    HK91, G3 Optic Mount - Low Profile - Short Version

    B&T Brugger & Thomet

    $144.95
    B&T Mounting Rail NAR Low Profile Mount For HK G3, 91, PTR, Short Version Compatible With: HK G3 HK91 PTR91 Specifications: Overall length: 3.25"
    HKP-16869
    $144.95
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    $144.95
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  • New - H&K MP5 M-LOK Wide Forearm - Black - HKP-21870 HK MP5 M-LOK Wide Handguard
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    HK MP5 M-LOK Wide Handguard

    H&K Heckler & Koch

    $98.95
    H&K MP5 M-LOK Wide Forearm  Genuine HK wide forearm with the addition of M-LOK slots for a unique, functional handguard solution. This is a great option for those that want a genuine HK handguard with the versatility of M-LOK attachment...
    HKP-21870
    $98.95
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    $98.95
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  • Used - HKP - MP5K, SP89 Receiver Flat With Weldment Set - HKP-20882
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    HK MP5K, SP89 Receiver Flat with Weldment Set

    HKP HK Parts

    $239.95
    HKP - MP5K, SP89 Receiver Flat With Weldment Set New MP5K receiver flat and weldment set combined for the best complete build option on the market. Made by the original German tool and die maker of the LSC receiver flat utilizing factory original German...
    HKP-20882
    $239.95
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    $239.95
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  • On Sale
    New - HKP HK P30SK Stand Off Device - Black - HKP-19191 HK P30SK Stand Off Device
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    HK P30SK Stand Off Device

    HKP HK Parts

    Now: $68.95
    Was: $109.95
    HKP HK P30SK Stand Off Device The P30SK stand-off device is a worst-case-scenario accessory that prevents the slide from being pushed back on the frame (thereby disengaging the trigger).  The ulimate component for close quarters interdiction. ...
    HKP-19191
    Now: $68.95
    Was: $109.95
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    Now: $68.95
    Was: $109.95
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  • New - HK G36/UMP Folding Stock Release Spring - HKP-00637
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    HK G36, UMP Folding Stock Release Spring

    H&K Heckler & Koch

    $9.95
    HK G36 Folding Stock Release Spring This is the spring that fits under the stock release button to activate the folding and retention of the G36 or UMP stock. Compatible With: HK G36 HK G36K HK G36C UMP
    HKP-00637
    $9.95
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    $9.95
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  • New - Blitzkrieg PTR Chevron Front Sight Gen 2 - Luminescent Green - HKP-20451 PTR Chevron Front Sight - Gen 2 - Luminescent Green
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    PTR Chevron Front Sight - Gen 2 - Luminescent Green

    Blitzkrieg Components

    $56.99
    Blitzkrieg PTR Chevron Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight delivers a fast, bold sight picture with a sharp, precision aiming point. Designed for easy installation, it eliminates the need for tools by using a...
    HKP-20451
    $56.99
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    $56.99
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  • Out Of Stock
    Used - H&K HK G3/91/PTR F/A Complete Training Bolt Group - HKP-18265

    HK91, G3, PTR F/A Complete Training Bolt Group

    H&K Heckler & Koch

    $0.00
    H&K HK G3/91/PTR F/A Complete Training Bolt Group   Surplus HK German Plastic training ammo bolt group. To be used with the readily available and cheap plastic tipped training ammo only! A neat collectible item as only a small number were made...
    HKP-18265
    $0.00
    Out Of Stock
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  • New - H&K HK 416/MR556/MR762 Right or Left Side Safety Selector Lever - HKP-15250
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    HK416, MR556, MR762 Right or Left Side Safety Selector Lever

    H&K Heckler & Koch

    $39.95
    H&K HK 416/MR556/MR762 Right or Left Side Safety Selector Lever HK German manufactured right or left side selector lever for the ambidextrous controls of the HK 416, MR556 family of firearms. It will work for both semi and select-fire models. ...
    HKP-15250
    $39.95
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    $39.95
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  • New - H&K (5.56/.223) & (7.62x51/.308) Contact Piece For Paddle Mag Release - HKP-00465 HK91, G3, HK33, HK53, HK93 Paddle Magazine Release Contact Piece
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    HK91, G3, HK33, HK53, HK93 Paddle Magazine Release Contact Piece

    H&K Heckler & Koch

    $29.95
    HK .223/556 & 308 Contact Piece For Paddle Magazine Release German HK manufacture. The contact piece is used in the magazine release assembly for the paddle mag release. Compatible With: HK 33, 53, 93 HK G3, 91, PTR91
    HKP-00465
    $29.95
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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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    $49.95
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  • New - Harris Engineering Bipod 6-9" - Fully Adjustable With Swivel - HKP-00983 Harris Engineering Bipod 6-9" - Fully Adjustable With Swivel Harris Engineering HKP-00983
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    Harris Engineering Bipod 6-9" - Fully Adjustable With Swivel

    Harris Engineering

    $149.95
    Harris Engineering Bipod 6-9" - Fully Adjustable With Swivel This part is manufactured using high-quality parts to ensure excellent function and sustainable use. It attaches to a sling swivel stud. Carrying your rifle with a sling or shooting off-hand is...
    HKP-00983
    $149.95
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    $149.95
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