Rifle / SMG Parts

Rifle / SMG Parts

Elevate Your H&K Rifle with Premium Parts – MP5, HK416, SP5, and More!

Enhance your H&K rifle with top-notch parts and accessories. From MP5 and MP5K to SP5 and UMP/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, SP5K, G36, or MP5 22, we have the H&K rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.

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  • H&K MP5/SP5/MP5K/SP5K 9mm Extractor Spring H&K MP5/SP5/MP5K/SP5K 9mm Extractor Spring

    H&K MP5/SP5/MP5K/SP5K 9mm Extractor Spring

    H&K Heckler & Koch

    $9.95
    H&K MP5, SP5, MP5K, & SP5K 9mm Extractor Spring This extractor spring will fit all of the 9mm HK variants including clones. This part is German HK factory manufactured and made to the tightest of specifications and tolerances and will provide a...
    HKP-00055
    $9.95
    Qty in Cart: 0
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  • Fixed Stock - OD Green - Surplus - HK 91, G3, PTR Fixed Stock - OD Green - Surplus - HK 91, G3, PTR

    Fixed Stock - OD Green - Surplus - HK 91, G3, PTR

    H&K Heckler & Koch

    $25.95
    Used Olive Drab green German surplus stock complete. Ready to install on your HK or clone rifle. Used in perfect working condition. Each stock includes all parts to be a complete stock ready to use on your HK G3, 91, PTR or other HK style firearm. As...
    HKP-16329
    $25.95
    Qty in Cart: 0
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    $25.95
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  • FMP MP5, MP5K Extractor Spring FMP MP5, MP5K Extractor Spring

    FMP MP5, MP5K Extractor Spring

    FMP

    $4.95
    New old stock HK contract FMP extractor spring will fit all of the 9mm HK variants including clones. This part was made using HK prints on HK contract tooling that the German HK factory manufactured for the Portuguese Military and police forces. This...
    HKP-18201
    $4.95
    Qty in Cart: 0
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    $4.95
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  • HK UMP (.45 ACP) 25 Round Magazine HK UMP (.45 ACP) 25 Round Magazine

    HK UMP (.45 ACP) 25 Round Magazine

    HKP HK Parts

    $49.95
    HK UMP 45 magazine & LWRC SMG45.  Made from advanced polymer material with steel feed lips just like the German UMP 45 magazine. This UMP 45 magazine will fit all HK UMP 45 firearms as well as the LWRC SMG 45 and other UMP style builds such as...
    HKP-16448
    $49.95
    Qty in Cart: 0
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    $49.95
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  • H&K 91/G3 (7.62x51 / .308) Ejector Lever - Used

    H&K 91/G3 (7.62x51 / .308) Ejector Lever - Used

    H&K Heckler & Koch

    $3.95
    .308 Ejector Lever - Used   It is in perfect working order, pulled from surplus HK German G3's.   Compatible With: HK G3 HK 91 PTR-91 HK 51
    HKP-01738
    $3.95
    Qty in Cart: 0
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    $3.95
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  • H&K 91/G3 (7.62x51 / .308) 20 Round Aluminum Magazine - Used H&K 91/G3 (7.62x51 / .308) 20 Round Aluminum Magazine - Used

    H&K 91/G3 (7.62x51 / .308) 20 Round Aluminum Magazine - Used

    H&K Heckler & Koch

    $7.95
      HK G3, HK91 & PTR91 German 20 Round Magazine - Alloy - Used German manufactured aluminum paratrooper magazines used in. Perfect for your HK G3/PTR style firearm. Each unit is German manufactured and a great deal for the condition of these mags...
    HKP-18068
    $7.95
    Qty in Cart: 0
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  • H&K 30 Round MP5 9mm Magazine H&K 30 Round MP5 9mm Magazine

    H&K 30 Round MP5 9mm Magazine

    H&K Heckler & Koch

    $78.95
    H&K German MP5, SP5, SP5K, and MP5K 9mm - 30 Round Curved Magazine - NEW Heckler & Koch German Magazine 9mm 30 Round curved all-steel magazine. German HK MP5 and MP5K mags are the finest HK magazines you can get. Compatible With:  HK MP5,...
    HKP-00086
    $78.95
    Qty in Cart: 0
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  • HKP MP5K/SP89/SP5K 9mm Vertical Grip HKP MP5K/SP89/SP5K 9mm Vertical Grip

    HKP MP5K/SP89/SP5K 9mm Vertical Grip

    HKP HK Parts

    $29.95
    MP5K, SP89, SP5K Vertical "K" Grip - USA HK vertical grip for the HK MP5K models. Made in the USA and counts as one US made 922r compliant part. The finest US made forearm available. Perfect item for the following applications: MP5K, MP5K-PDW, SP89...
    HKP-16474
    $29.95
    Qty in Cart: 0
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  • H&K Small Push Pin - Forearm & Lower

    H&K Small Push Pin - Forearm & Lower

    H&K Heckler & Koch

    $7.95
    H&K Small Push Pin - Forearm & Lower All steel HK German small push pin for use on the lower grip housing. The small push pin is also the correct pin for holding the HK forearm in place. Compatible With: HK91, G3, PTR HK93, 33, 53 HK MP5, 94,...
    HKP-00075
    $7.95
    Qty in Cart: 0
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  • H&K Rifle Extractor Spring For All HK's H&K Rifle Extractor Spring For All HK's

    H&K Rifle Extractor Spring For All HK's

    H&K Heckler & Koch

    $6.74
    HK German 308, 7.62 & 556, .223 Rifle Extractor Spring New factory HK German part. The extractor spring is the #1 most common repair and replacement item on HK firearms. Many HK gunsmiths recommend using this extractor spring on all HK 90 Series HK's...
    HKP-00188
    $6.74
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  • H&K 91/G3/MSG90 (7.62x51 / .308) 20 Round Magazine - Aluminum - Excellent/Like New H&K 91/G3/MSG90 (7.62x51 / .308) 20 Round Magazine - Aluminum - Excellent/Like New

    H&K 91/G3/MSG90 (7.62x51 / .308) 20 Round Magazine - Aluminum - Excellent/Like New

    H&K Heckler & Koch

    $12.95
    HK G3, HK91, & PTR91 German 20 Round Magazine - Alloy German Manufactured Aluminum Paratrooper Magazines In Excellent - Like New Condition Perfect for your HK G3/PTR style firearm. Each unit is German manufactured, and a great deal for the condition...
    HKP-00524
    $12.95
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  • H&K 25 Round HK MP5 .22LR Magazine - Black H&K 25 Round HK MP5 .22LR Magazine - Black

    H&K 25 Round HK MP5 .22LR Magazine - Black

    H&K Heckler & Koch

    $34.95
    HK MP5 .22 - 25 Round Magazine Each magazine offers a 25-round capacity and fits all HK, Walther, Umarex MP5 A5 & MP5 SD .22 rifles. Factory HK German manufactured magazines these are NOT aftermarket.  Compatible With: MP5 .22 MP5SD .22 Please...
    HKP-02296
    $34.95
    Qty in Cart: 0
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    $34.95
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  • H&K Ejector Lever Spring H&K Ejector Lever Spring

    H&K Ejector Lever Spring

    H&K Heckler & Koch

    $6.95
    H&K Ejector Lever Spring The new HK German factory ejector lever spring fits all HK 90 series of rifles and pistols. This is a common repair and replacement part and it is a recommended spare part for every HK enthusiast or shooter. Compatible...
    HKP-00059
    $6.95
    Qty in Cart: 0
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  • HKP MP5 Replacement Buffer for Folding Stock or End Cap HKP MP5 Replacement Buffer for Folding Stock or End Cap

    HKP MP5 Replacement Buffer for Folding Stock or End Cap

    HKP HK Parts

    $3.49
    HKP MP5 Replacement Buffer for Folding Stock or End Cap Spare Replacement Buffer For Choate Folding Stocks Or End caps. Compatible With: Choate MP5 and MP5K stocks or end caps
    HKP-18735
    $3.49
    Qty in Cart: 0
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    $3.49
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  • Out Of Stock
    Mag-Grip MP5 & MP5K 9mm Dual Magazine Clamp Mag-Grip MP5 & MP5K 9mm Dual Magazine Clamp

    Mag-Grip MP5 & MP5K 9mm Dual Magazine Clamp

    $29.95
    Mag-Grip MP5 & MP5K 9mm Dual Magazine Clamp  The MP5 and MP5K magazine grip or dual magazine clamp fits all 9mm MP5 or MP5K curved magazines. This part holds two magazines together for ease of use and easy access to 2 magazines. It is made in...
    HKP-00084
    $29.95
    Qty in Cart: 0
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  • HKP MP5, SP5, HK94 Wide Forearm HKP MP5, SP5, HK94 Wide Forearm

    HKP MP5, SP5, HK94 Wide Forearm

    HKP HK Parts

    $25.95
    HKP MP5, SP5, & HK94 Wide Forearm - USA  This MP5 forearm is also known as the tropical wide forearm. Made from the same polymer material to factory HK specs in the US. Compatible With: MP5, HK94 MP5 40/10 Zenith, AA, MKE, POF Clones or...
    HKP-02312
    $25.95
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    $25.95
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  • H&K HK G3, HK 91 Grip for Metal Frames - OD Green - Surplus H&K HK G3, HK 91 Grip for Metal Frames - OD Green - Surplus

    H&K HK G3, HK 91 Grip for Metal Frames - OD Green - Surplus

    H&K Heckler & Koch

    $9.95
    HK German Green Plastic Grips For The HKG3,HK91 & HK93, HK33 Metal Grip Frames. Used in surplus condition. Each item is used in good shape and will clean up nicely with a little bit of TLC and some attention. A great value for the price. Fits all HK...
    HKP-16333
    $9.95
    Qty in Cart: 0
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    $9.95
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  • Out Of Stock
    Small Push Pin - Forearm & Lower Small Push Pin - Forearm & Lower

    Small Push Pin - Forearm & Lower

    USA

    $5.95
    HK Small push pin - US MAde All steel small push pin for use on the lower grip housing for a push pin style of lower housing. Black nitride finish which adds extra durability to the pin plus corrosion and abrasion resistance. The small push pin is also...
    HKP-20397
    $5.95
    Qty in Cart: 0
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    $5.95
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  • H&K 91/G3 (7.62x51 / .308) Slimline Forearm - Jungle Green - Used Good H&K 91/G3 (7.62x51 / .308) Slimline Forearm - Jungle Green - Used Good

    H&K 91/G3 (7.62x51 / .308) Slimline Forearm - Jungle Green - Used Good

    H&K Heckler & Koch

    $14.95
    Used German Military Surplus Jungle Green Slim Line Forearm With Heat Shield. Each item is used in good shape and will clean up nicely with a little bit of TLC and some attention. Conditions range from Good to Excellent shape. For the money these are a...
    HKP-16266
    $14.95
    Qty in Cart: 0
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    $14.95
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  • HKP Rear Sight Tool For Diopter Sights HKP Rear Sight Tool For Diopter Sights

    HKP Rear Sight Tool For Diopter Sights

    HKP HK Parts

    $29.95
    HK Diopter Rear Sight Tool - Military ContractDiopter sight tool is perfect for those that need to adjust all sizes of HK diopter type sights for the entire family of HK rifles including clones. A military contract over-run and mil-spec quality at the...
    HKP-16511
    $29.95
    Qty in Cart: 0
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    $29.95
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  • H&K 20 Round HK VP9, HK P30 9mm Complete Magazine - Black H&K 20 Round HK VP9, HK P30 9mm Complete Magazine - Black

    H&K 20 Round HK VP9, HK P30 9mm Complete Magazine - Black

    H&K Heckler & Koch

    $59.00
    HK VP9 &P30, P30L, P30S - 9mm - 20 Round Magazine CompleteNew HK German Manufactured & Factory Fresh Production. Each factory HK magazine holds 20 rounds for use in all VP9, P30, P30L, P30S 9mm Models. Each magazine is marked with the factory 20...
    HKP-18917
    $59.00
    Qty in Cart: 0
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    $59.00
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  • HKP HK 416, Colt M4 .22 Match Trigger Upgrade Spring Kit

    HKP HK 416, Colt M4 .22 Match Trigger Upgrade Spring Kit

    HKP HK Parts

    $17.49
    HK 416 .22 & Colt M4 -  .22 Match Trigger Spring Kit - Set of 3 Enhanced Springs: The HK Parts Match drop-in spring upgrade set will enhance your HK 416's trigger pull to an even smooth, crisp, and lighter pull that will promote better control,...
    HKP-17340
    $17.49
    Qty in Cart: 0
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    $17.49
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  • H&K 9mm Ejector Lever - 3rd Gen H&K 9mm Ejector Lever - 3rd Gen

    H&K 9mm Ejector Lever - 3rd Gen

    H&K Heckler & Koch

    $69.95
    H&K 9mm Ejector Lever - Latest Generation  The German latest generation ejector has all of the upgrades and improvements made since the MP5 was introduced over 50 years ago. Fits all of the HK 9mm variants. Stamped, formed, heat treated,...
    HKP-00058
    $69.95
    Qty in Cart: 0
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    $69.95
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  • H&K Roller Retainer Spring - Action 3 H&K Roller Retainer Spring - Action 3

    H&K Roller Retainer Spring - Action 3

    H&K Heckler & Koch

    $6.74
    H&K Roller Retainer Spring - Action 3 This part is the second-generation roller holder. Each retainer fits all "action 3" 9mm MP5 & MP5K bolt heads & MP5 40/10 bolt heads. The roller retainer spring is a common repair and replacement item and...
    HKP-00068
    $6.74
    Qty in Cart: 0
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    $6.74
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  • MFI HK MP5 .22 Scope Mount - Black MFI HK MP5 .22 Scope Mount - Black

    MFI HK MP5 .22 Scope Mount - Black

    MFI

    $109.95
    Low Profile Scope Mount For All HK MP5 .22's (HK, Walther, & Umarex) & ATI GSG-5 Pistols Or Rifles Just released the latest second-generation MFI Low Profile Scope mount for the Umarex HK MP5 & GSG-5 models. MFI scope mount offers the lowest...
    HKP-02389
    $109.95
    Qty in Cart: 0
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    $109.95
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  • H&K 30 Round HK 416 .22LR Magazine - Black H&K 30 Round HK 416 .22LR Magazine - Black

    H&K 30 Round HK 416 .22LR Magazine - Black

    H&K Heckler & Koch

    $29.95
    HK, Umarex, Walther, HK416 - .22LR Magazine - 30 Round Magazine - BLACK Heckler & Koch Factory magazines are made to H&K specifications and tolerances using high quality materials that provide perfect fit, durability and reliability. Expect...
    HKP-19834
    $29.95
    Qty in Cart: 0
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    $29.95
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  • RennSteig 8 Piece Punch Set For HK Firearms RennSteig 8 Piece Punch Set For HK Firearms

    RennSteig 8 Piece Punch Set For HK Firearms

    RennSteig

    $34.95
    Metric Parallel Pin Punch Set With Guide Sleeves - German Manufacture - 8 Piece This punch set is the exact same set used in the HK Armorer classes and approved by HK for use when installing & removing the roll pins from HK pistols & rifles...
    HKP-16737
    $34.95
    Qty in Cart: 0
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    $34.95
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  • MFI Ultra Low Profile Red Dot Mount - Aimpoint/Primary Arms/Vortex/Burris MFI Ultra Low Profile Red Dot Mount - Aimpoint/Primary Arms/Vortex/Burris

    MFI Ultra Low Profile Red Dot Mount - Aimpoint/Primary Arms/Vortex/Burris

    MFI

    $110.95
      MFI Ultra Low Profile Red Dot Mount - Aimpoint, RMR Style Red Dots The new MFI Ultra Low Profile Mount perfect for smaller red dot options The MFI ultra low profile scope mount offers the lowest profile of any HK scope mount on the planet. The MFI...
    HKP-17962
    $110.95
    Qty in Cart: 0
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    $110.95
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  • Black Black

    KCI 30 Round MP5 9mm Magazine

    KCI

    $39.95 - $44.95
    Korean 30 Round MP5, MP5K Magazine - GEN 2 - KCI USA Compatible With: HK MP5, HK94, MP5 SD, HK SP5 HK MP5K, SP89, SP5K Zenith, Century AP5, MKE, POF & Omega, PTR In Spec 94, MP5 & MP5K, SP89 Style Clones Features: Latest generation and factory...
    HKP-00955
    $39.95 - $44.95
    Qty in Cart: 0
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    $39.95 - $44.95
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  • IMI 32 Round Uzi 9mm Magazine - German Military IMI 32 Round Uzi 9mm Magazine - German Military

    IMI 32 Round Uzi 9mm Magazine - German Military

    IMI

    $39.95
      Uzi 32 Round 9mm Magazine - IMI Factory Original Israeli IMI all steel production, 32rd 9mm magazines produced for the German army. These magazines were military only not comercial which makes them a awesome and desireable magazine. Conditions...
    HKP-14472
    $39.95
    Qty in Cart: 0
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    $39.95
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  • Out Of Stock
    H&K 30 Round HK MP7 4.6 x 30mm Magazine - Black H&K 30 Round HK MP7 4.6 x 30mm Magazine - Black

    H&K 30 Round HK MP7 4.6 x 30mm Magazine - Black

    H&K Heckler & Koch

    $0.00
    MP7 30 Round Magazine New factory German HK 30-round magazine for the 4.6 X 30mm HK MP7A1 & MP7A2 weapon system. This is a popular spare magazine option as it is not too large and not too small of capacity.
    HKP-02455
    $0.00
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  • H&K 90 Series Pinned hammer H&K 90 Series Pinned hammer

    H&K 90 Series Pinned hammer

    H&K Heckler & Koch

    $29.95
    Hammer, Full Auto HK 90 Series Trigger Packs - German HK - UsedGerman HK Hammer Used surplus in VG-EXC shape and in perfect working order. With the proper hole on the hammer to pin the strut in place. This hammer is the hammer that is most commonly used...
    HKP-18305
    $29.95
    Qty in Cart: 0
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    $29.95
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  • H&K 30 Round MP5 Magazine Spring H&K 30 Round MP5 Magazine Spring

    H&K 30 Round MP5 Magazine Spring

    H&K Heckler & Koch

    $6.95
    HK MP5 30 Round Magazine Spring - German The MP5 30-round spring is a must-have replacement spring for all HK MP5 curved magazines. HK factory springs have been known to help cure worn, weak, or aftermarket magazine springs that do not feed well and...
    HKP-00089
    $6.95
    Qty in Cart: 0
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    $6.95
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  • HK German Butt Stock Push Pin HK German Butt Stock Push Pin

    HK German Butt Stock Push Pin

    H&K Heckler & Koch

    $8.95
    HK German Butt Stock Push Pin Each large stock push pin is used to retain the stock to the receiver on the 90 series of firearms. These are great replacement or spare parts to keep on hand as they fit all of the 90-series firearms below. The large push...
    HKP-00076
    $8.95
    Qty in Cart: 0
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    $8.95
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  • HKP Rear Stock Pin Bushing Weldment

    HKP Rear Stock Pin Bushing Weldment

    HKP HK Parts

    $3.95
    HK Rear Stock Push Pin Bushing WeldmentAll Steel rear stock pin bushing weldment for welding in the rear of the flat. This bushing welds into the folded flat and guides the large push pin through the receiver to hold the stock to the receiver. Once...
    HKP-17573
    $3.95
    Qty in Cart: 0
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    $3.95
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  • H&K Barrel Retaining Pin - 5mm Standard Size H&K Barrel Retaining Pin - 5mm Standard Size

    H&K Barrel Retaining Pin - 5mm Standard Size

    H&K Heckler & Koch

    $9.95
    H&K Barrel Retaining Pin - 5mm Standard Size Each barrel pin is used for installing a new or replacement barrel. HK suggest using a new factory barrel pin when installing or reinstalling a HK barrel. We also offer the HK oversized barrel pins for...
    HKP-00071
    $9.95
    Qty in Cart: 0
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    $9.95
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  • BDM 50 Round HK MP5 .22LR Magazine Drum - Translucent BDM 50 Round HK MP5 .22LR Magazine Drum - Translucent

    BDM 50 Round HK MP5 .22LR Magazine Drum - Translucent

    BDM Black Dog Machine

    $99.95
    HK MP5 .22 50 Round Drum Magazine For The MP5-A5 & MP5-SD .22 Rifle Made in the USA by BDM exclusively for HKPARTS. Using an existing drum model that is tried and true. Fits all HK MP5 .22 variants: HK, Walther, Umarex MP5 & MP5 SD .22 rifles...
    HKP-16235
    $99.95
    Qty in Cart: 0
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    $99.95
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  • H&K 20 Round HK MR762/417 7.62/.308 Magazine - Black H&K 20 Round HK MR762/417 7.62/.308 Magazine - Black

    H&K 20 Round HK MR762/417 7.62/.308 Magazine - Black

    H&K Heckler & Koch

    $59.00
    HK MR762 & HK417 - 20 Round Magazine This is the factory OEM magazine for the new HK 7.62 X 51mm rifles. It is the highest magazine capacity available for the MR762 and HK417 family of firearms. Compatible With: HK MR762 HK 417 HK G28
    HKP-01700
    $59.00
    Qty in Cart: 0
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    $59.00
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  • H&K 90 Series Butt Stock Push Pin

    H&K 90 Series Butt Stock Push Pin

    H&K Heckler & Koch

    $3.95
    Each large stock push pin is used to retain the stock to the receiver on the 90 series of firearms. Large push pins are for the stock and the small push pin is for the forearm and lower. The HK German genuine push pins are take off's from demilled G3...
    HKP-18038
    $3.95
    Qty in Cart: 0
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    $3.95
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  • HKP HK MP5 RMR / Holosun Optic Mount - Black HKP HK MP5 RMR / Holosun Optic Mount - Black

    HKP HK MP5 RMR / Holosun Optic Mount - Black

    HKP HK Parts

    $97.95
    MP5 - RMR / Holosun Optic Mount The finest mounting solution to properly mount your RDS on your MP5 or any other receiver that utilizes the same style mounting system. With our 3 piece optic mount, it makes installation a breeze. No need to damage your...
    HKP-20731
    $97.95
    Qty in Cart: 0
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    $97.95
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