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 - HKP HK MP5K Optic Scope Rail - HKP-21852 HK MP5K Optic Mount
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    HK MP5K Optic Mount

    HKP HK Parts

    $97.95
    HKP HK MP5K Optic Scope Rail The HKP optic scope rail is designed to be welded to the top of the receiver to provide a secure Picatinny optic mount for your MP5K.  Includes sight mount to retain the factory rear diopter sight. Compatible With: HK...
    HKP-21852
    $97.95
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    $97.95
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  • On Sale
    New - HKP HK MR556/416 Extractor - BLEMISHED - HKP-21826-B HK416, MR556 Extractor - BLEMISHED
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    HK416, MR556 Extractor - BLEMISHED

    HKP HK Parts

    Now: $24.95
    Was: $39.95
    HKP HK MR556/416 Extractor - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The HKP HK MR556/416 extractor is a precision-engineered component designed...
    HKP-21826-B
    Now: $24.95
    Was: $39.95
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    Now: $24.95
    Was: $39.95
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  • Out Of Stock
    New - B&T 39mm Picatinny QD Skeleton Mount for Aimpoint T-Series - HKP-21771 Picatinny Optic Mount - 39mm - Skeleton - Aimpoint T-Series

    Picatinny Optic Mount - 39mm - Skeleton - Aimpoint T-Series

    B&T Brugger & Thomet

    $150.00
    B&T 39mm Picatinny QD Skeleton Mount for Aimpoint T-Series The B&T QD skeleton mount for Aimpoint T-Series offers a 39mm elevated profile for improved sight alignment, ideal for night vision setups requiring clearance over forward-mounted IR...
    HKP-21771
    $150.00
    Out Of Stock
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    $150.00
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  • Out Of Stock
    New - B&T HK MP5/SP5 Tail Hook Adapter - HKP-21763 HK MP5, SP5 Adapter - Tail Hook

    HK MP5, SP5 Adapter - Tail Hook

    B&T Brugger & Thomet

    $135.00
    B&T Tail Hook Adapter MP5/SP5 (Including K)   Compatible With: HK MP5/MP5K HK SP5/SP5K  
    HKP-21763
    $135.00
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    $135.00
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  • New - H&K MP5K 9mm Complete Bolt Group - Suppressed - HKP-21613 New - H&K MP5K 9mm Complete Bolt Group - Suppressed - HKP-21613
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    HK MP5K Bolt Group - Complete - 9mm - Suppressed

    H&K Heckler & Koch

    $2,259.95
    Heckler and Koch MP5K 9mm Complete Bolt Group - Suppressed Complete factory German MP5K full-auto bolt group assembly configured with an 80-degree #28 German locking piece for suppressed use. This drop-in bolt carrier group is built with original German...
    HKP-21613
    $2,259.95
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    $2,259.95
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  • Out Of Stock
    New - B&T HK 417/G36K Flash Hider - HKP-21520 HK416, G3, G36 Flash Hider - 15x1 RH - Rotex Interface - B&T

    HK416, G3, G36 Flash Hider - 15x1 RH - Rotex Interface - B&T

    B&T Brugger & Thomet

    $144.99
    B&T Flash Hider with Interface for Rotex III/V/VA Swiss-made flash hider compatible with NATO A2 suppressor mounting HUB's. Specifications: Made in Switzerland Threaded M15x1 RH NATO spec Does not include face shims Compatible With: HK416,...
    HKP-21520
    $144.99
    Out Of Stock
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    $144.99
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  • On Sale
    HK MP5, MP5K Optic Mount, Aimpoint ACRO - BLEMISHED
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    HK MP5, MP5K Optic Mount, Aimpoint ACRO - BLEMISHED

    HKP HK Parts

    Now: $71.95
    Was: $98.95
    HKP HK MP5/K Aimpoint ACRO P1 & P2 Sight - BLEMISHED INSTALLATION MARKINGS COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK Parts now brings you one of the...
    HKP-21229-B
    Now: $71.95
    Was: $98.95
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    Now: $71.95
    Was: $98.95
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  • New - Trijicon Bright & Tough - Night Sights - H&K SP89, Carbines, Rifles - HKP - HKP-20325 HK MP5, MP5K, G3 Night Sights
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    HK MP5, MP5K, G3 Night Sights

    XS Sights

    $159.95
    Trijicon Bright & Tough - Night Sights - H&K SP89, Carbines, Rifles Trijicon bright & tough night sights are three-dot iron sights that increase night-fire shooting accuracy by as much as five times over conventional sights. Housed in a metal...
    HKP-20325
    $159.95
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    $159.95
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  • New - Aimpoint Absolute Co-Witness T1 Mount - HKP-19334 Picatinny Optic Mount - Aimpoint T1 - Absolute Co-Witness
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    Picatinny Optic Mount - Aimpoint T1 - Absolute Co-Witness

    Aimpoint

    $14.95
    Aimpoint - T1 Mount Absolute Co-Witness Features a machined recoil lug for consistent, repeatable mounting.  Features:  6061 T6 aluminum Black anodized Machined recoil lug Compatible With: Aimpoint T1 / H1 Series optics Micro T-1 MIL-STD...
    HKP-19334
    $14.95
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    $14.95
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  • HK G36C, SL8 Flash Hider - 4 Prong - Threaded 15x1 RH
HK G36C, SL8 Flash Hider - 4 Prong - Threaded 15x1 RH
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    HK G36C, SL8 Flash Hider - 4 Prong - Threaded 15x1 RH

    GSG9

    $86.95
    GSG9 4 Prong Flash Hider - 15x1 RH Finest quality 4-prong flash hider that is threaded 15x1 right-hand twist (factory HK thread pitch). Perfect for the SL8, G36C, or other type of HK conversion. It also counts as one US-made part for 922R compliance...
    HKP-00631
    $86.95
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    $86.95
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  • New - TBR HK MR762 Operator Brass Catcher - FDE - HKP-19150 HK MR762 Brass Catcher - Operator Model - FDE
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    HK MR762 Brass Catcher - Operator Model - FDE

    TBR Tactical Brass Recovery

    $229.95
    TBR HK MR762 Operator Brass Catcher - FDE Operator model for HK MR762 rifle. Slightly different from other AR platform rifles because the HK MR762 has a bit higher rail to bore centerline dimension. This 4 position detent feature allows 180 degrees of...
    HKP-19150
    $229.95
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    $229.95
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  • New - Timney Triggers HK MP5 .40/10 2-Stage Trigger Group Complete - HKP-20514 HK MP5 2-Stage Trigger Group - 10mm / .40 S&W - Complete
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    HK MP5 2-Stage Trigger Group - 10mm / .40 S&W - Complete

    Timney Triggers

    $478.95
    Timney Trigger group for MP5 .40 SEF Timney trigger group comes completely assembled and ready to drop in to your receiver. Set up with a German ejector lever, new SEF selector lever and a brand new factory German housing for the best trigger group...
    HKP-20514
    $478.95
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    $478.95
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