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 HK MR556/MR762/416/417/G36/SL8 Complete Gas Piston - HKP-00047
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    HK416, MR556, G36 Gas Piston - Complete

    H&K Heckler & Koch

    $50.95
    H&K HK MR556/MR762/416/417/G36/SL8 Complete Gas Piston New HK German gas piston assembly with three locking piston rings installed. This is a great spare part to have on hand, as the gas piston takes a lot of wear and tear. Compatible With: HK...
    $50.95
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  • Used - H&K Trigger Pack Sear/Catch - Surplus - HKP-18304
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    HK90, MP5K Sear Catch - Steel - Used Surplus

    H&K Heckler & Koch

    $12.95
    Heckler & Koch's Sear Catch Release - Complete for HKP 90, MP5K Trigger Packs - German - Used - Steel German HK Sear/Catch complete with installed detent, spring and roll pin. Used surplus in VG-EXC shape and in perfect working order and complete...
    $12.95
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    $12.95
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  • New - HKP MP5, HK94 & MP5K 100 Degree Locking Piece - HKP-18049 HK MP5, HK94, SP5K 100 Degree Locking Piece
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    HK MP5, HK94, SP5K 100 Degree Locking Piece

    HKP HK Parts

    $33.95
    HKP MP5, HK94 & MP5K 100 Degree Locking Piece Each 100 degree MP5 locking piece is the proper, correct locking piece for all HK MP5, 94 and full size clones as well as this is now the correct locking piece for all HK MP5K & MP5K-PDW variants, per...
    $33.95
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  • New - Zenith 30 Round HK MP5 Magazine - LEO Marked - HKP-21612 HK MP5, MP5K, SP5, SP5K Magazine - 30 Round - LEO Marked
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    HK MP5, MP5K, SP5, SP5K Magazine - 30 Round - LEO Marked

    Zenith

    $52.95
    Zenith 30 Round HK MP5 Magazine - LEO Marked Replica LEO laser markings that closely resemble those found on factory magazines. These markings are expertly lasered onto Zenith magazines, successfully emulating the sought-after LEO markings of authentic...
    $52.95
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  • New - SB Tactical, B&T HK MP5/SP5 Folding Brace - HKP-19353 HK MP5, SP5 Folding Brace
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    HK MP5, SP5 Folding Brace

    B&T Brugger & Thomet / SB Tactical

    $279.95
    B&T MP5/SP5 Folding Brace - Swiss/US Factory Swiss B&T MP5, SP5 Folding Pistol Brace with the SB Tactical/B&T components assembled. A rare offering using the B&T Swiss manufactured folding polymer end cap with sling swivel slightly used...
    $279.95
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  • New - HK Piston 3-Ring Replacement Set - HKP-00048
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    HK416, MR556, G36, SL8 Piston Ring - Replacement Set of 3

    H&K Heckler & Koch

    $19.95
    HKP Gas Piston Ring Replacement Combo Set- 3 Rings The gas rings are prone to periodic breakage and wear and tear and require them to be replaced periodically. These are some of the most common breakage parts we see that need to be replaced on these...
    $19.95
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  • New - H&K 9mm / .357 SIG Barrel Bore Brush - HKP-02760
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    Barrel Bore Cleaning Brush - 9mm / .357 SIG

    H&K Heckler & Koch

    $1.95
    HK 9mm / .357 SIG Barrel Bore Brush This brush is a must-have item to clean the barrel effectively, and it is compatible with all standard 8-32 threaded cleaning rods (universal/most common thread). We offer a large variety of long-lasting bore...
    $1.95
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  • New - H&K USC (.45 ACP) 10 Round Magazine - HKP-00811 HK USC (.45 ACP) 10 Round Magazine
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    HK USC (.45 ACP) 10 Round Magazine

    H&K Heckler & Koch

    $74.95
    HK German Factory 10 Round USC .45 Magazine This is the only magazine that HK offers for HK USC unless you want to upgrade to the USC-UMP style of conversions. Compatible with all HK USC Carbines.
    $74.95
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  • New - Meprolight HK MP5/MP5K, HK91/HK93 Tritium Front Night Sight - HKP-19703
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    HK MP5, HK91, HK93, MP5K Front Night Sight - Tritium

    Meprolight

    $39.99
    Meprolight Rifle Front Sight - HK MP5, HK MP5K HK91, HK93, PTR The Meprolight HK Mp5, 91, 93, 94 Rifle Front Sight, Green ML31506F.S Features: Self illuminated light source - No batteries or switches, always ready when you need them. Operates under...
    $39.99
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  • New - B&T MP5 & HK94 UMP Style Folding Stock - HKP-16928 HK MP5, HK94 Folding Stock - UMP Style
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    HK MP5, HK94 Folding Stock - UMP Style

    B&T Brugger & Thomet

    $279.95
    B&T MP5 & HK94 UMP Style Folding Stock New Swiss/German HK Made B&T Folding Stock for the MP5/ SP5 full size. These are hard to find and the real deal. 100% Swiss & German HK made. This is a military-grade stock. B&T Switzerland has...
    $279.95
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  • New - B&T G3/91, 33/93, MP5/94 - Universal Scope Mount - HKP-16878 HK MP5, HK91, G3, HK33 Optic Mount - Picatinny
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    HK MP5, HK91, G3, HK33 Optic Mount - Picatinny

    B&T Brugger & Thomet

    $120.00
    B&T G3/91, 33/93, MP5/94 - Universal Scope Mount Specifitacions: Color: Black Height max: 35.5 mm Length max: 138 mm Length of top rail: 138 mm Material: Aluminum MSN: 5340-25-149-2979 NATO Accessory Rails: 1 Part number: BT-21262-1 Treatment:...
    $120.00
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  • New - MI HK MP5K M-LOK Suppressor Handguard - HKP-21563 HK MP5K M-LOK Suppressor Handguard
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    HK MP5K M-LOK Suppressor Handguard

    MI Midwest Industries

    $179.95
    MI HK MP5K M-LOK Suppressor Handguard   The Midwest Industries M-LOK suppressor handguard is designed to fit over your suppressor for extra protection and extending mounting options.  Made in the USA from 6061 aluminum for a lifetime of service...
    $179.95
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