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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    HK MP5, SP5 ACR Folding Stock With Direct Fit Adapter HK MP5, SP5 ACR Folding Stock With Direct Fit Adapter

    HK MP5, SP5 ACR Folding Stock With Direct Fit Adapter

    F5 MFG

    $229.95
    HK MP5/SP5 ACR Folding Stock w/Adapter Upgrade your MP5 platform with the F5-ACR Stock.  Precision machined from 6061 billet aluminum for unmatched durability. Built for law enforcement, personal defense, and enthusiasts, this stock is lightweight,...
    HKP-22253-M
    $229.95
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  • New - HK 416 .22 Magpul UCS Stock with Adapter - HKP-22196 HK416 Ultra Carbine Stock and Adapter - .22LR Pistol
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    HK416 Ultra Carbine Stock and Adapter - .22LR Pistol

    HKP HK Parts / Magpul

    $264.95
    HK 416 .22LR Pistol Magpul UCS Stock with Adapter The HK Parts UCS adapter and stock for the MP5K pairs our proven stock adapter with Magpul's UCS stock for a compact, adjustable configuration. The UCS stock features a reversible hinge for left and right...
    HKP-22196
    $264.95
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  • Out Of Stock
    New - H&K HK 416/MR556 Adaptive Pistol Grip Panel Kit - HKP-21802 HK416, MR556, HK417, MR762 Pistol Grip Panel Kit

    HK416, MR556, HK417, MR762 Pistol Grip Panel Kit

    H&K Heckler & Koch

    $72.99
    HK Heckler and Koch's Adaptive Pistol Grip Panel Kit with small and large sizes. The standard HK grip comes fitted with medium sized removable grip panels.  This adaptive pistol grip kit supplies a full set of small and large interchangeable grip...
    HKP-21802
    $72.99
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    $72.99
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  • On Sale
    New - HKP HK UMP/USC 4 Piece M-Lok Set - Anodized - HKP-21663-M HK UMP, USC 4 Piece M-LOK Set - Anodized
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    HK UMP, USC 4 Piece M-LOK Set - Anodized

    HKP HK Parts

    Now: $99.95
    Was: $149.95
    HKP HK UMP/USC 4 Piece M-Lok Set - Anodized  Upgrade your UMP and USC with the HK Parts 4-piece M-Lok set, designed to eliminate the hassle of snagging and shredding your knuckles on Picatinny rails. This exceptional set significantly expands the...
    HKP-21663-M
    Now: $99.95
    Was: $149.95
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  • On Sale
    Used - HKP HK UMP (.40 S&W) 30 Round Magazine - USED- HKP-17583-USED HK UMP Magazine - .40 S&W - 30 Round - USED
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    HK UMP Magazine - .40 S&W - 30 Round - USED

    HKP HK Parts

    Now: $36.95
    Was: $49.95
    HKP HK UMP (.40 S&W) 30 Round Magazine - USED Each 30-round magazine will fit all HK UMP .40 caliber carbines, SMGs as well as the USC-UMP .40 caliber conversions. Each magazine features steel feed lips, enhanced polymer construction and all correct...
    HKP-17583-USED
    Now: $36.95
    Was: $49.95
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  • New - MI Blast Can - 1/2x28 Thread (5.56/9mm) - HKP-21535 Blast Can - Threaded 1/2x28 - 9mm, 5.56 / .223
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    Blast Can - Threaded 1/2x28 - 9mm, 5.56 / .223

    MI Midwest Industries

    $38.95
    MI Blast Can 1/2x28 Thread (5.56/9mm) Specifications: Directs muzzle blast forward on short barrel rifles and pistols. Does not reduce recoil or flash. Constructed from 6061 aluminum, and hardcoat anodized for a lifetime of service 1/2x28 threads...
    HKP-21535
    $38.95
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  • On Sale
    New - TPM Ruger Bolt Shroud - Bronze - HKP-20905 Ruger 10/22 Bolt Shroud - Bronze
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    Ruger 10/22 Bolt Shroud - Bronze

    Tactical Precision MFG

    Now: $27.95
    Was: $66.99
    Tactical Precision MFG Ruger 10/22 Bronze Bolt Shroud  This Ruger American rifle bolt shroud is hands down the best RAR bolt shroud on the market. Each bolt shroud is made in house on a five-axis Swiss lathe to exacting tolerances out of grade 5...
    HKP-20905
    Now: $27.95
    Was: $66.99
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  • On Sale
    New - TPM Tikka T3 Bolt Handle Upgrade - HKP-20901 Tikka T3 Bolt Handle - Upgrade
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    Tikka T3 Bolt Handle - Upgrade

    Tactical Precision MFG

    Now: $34.95
    Was: $69.99
    TPM Tikka T3 Bolt Handle Upgrade Designed for exact Tikka specs. Tikka T3 upgraded bolt handle is 17-4 stainless steel for optimal strength and durability. This upgraded bolt handle was designed with a 20-degree angle to help improve bolt manipulation...
    HKP-20901
    Now: $34.95
    Was: $69.99
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  • On Sale
    New - Top Rail - HK USC / UMP - HKP-20744 HK USC , UMP Top Rail
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    HK USC , UMP Top Rail

    Other

    Now: $99.95
    Was: $149.95
    Top Rail - HK USC / UMP TommyBuilt anodized aluminum high rise top rail.  Includes mounting hardware. Compatible With: HK UMP HK USC TMP UMP clone
    HKP-20744
    Now: $99.95
    Was: $149.95
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  • New - HKP MP5 9mm Titanium Flash Hider - 3-Lug - HKP-20223 HK MP5, MP5K Flash Hider - 3-Lug - Titanium - 9mm
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    HK MP5, MP5K Flash Hider - 3-Lug - Titanium - 9mm

    HKP HK Parts

    $139.95
    HKP MP5 9mm Titanium Flash Hider - 3-Lug Easily attaches to the end of any factory specification 9mm 3 lugged barrel. This flash hider does not require the of threads as it attached to the 3 lug tip. Also a great addition for any of 3 lug barrels found...
    HKP-20223
    $139.95
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  • New - HK 416, MR556 Roll Pin for Charging Handle - HKP - HKP-16536
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    HK416, MR556 Charging Handle Roll Pin

    $7.95
    HK 416, MR556 Roll Pin for Charging Handle - HKP This is the shorter one that is used on the inside of the charging handle. There are two of these pins used per charging handle.
    HKP-16536
    $7.95
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  • New - HK45 .45 ACP Thread Protector - Threaded .578x28 RH - HKP-19891 HK45 Thread Protector - Threaded .578x28 RH
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    HK45 Thread Protector - Threaded .578x28 RH

    USA

    $24.95
    HK45 .45 ACP Thread Protector - Threaded .578x28 RH Made in the USA, HK45 .45 ACP thread protector, for full size & compact barrels with a 578x28 RH. Made from stainless steel with a nitride finished. Specifications: Made in the USA Stainless...
    HKP-19891
    $24.95
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