HK MP5/SP5 Series

HK MP5/SP5 Series

Discover the ultimate selection of MP5 and SP5 parts and accessories for your H&K firearms. Whether you're upgrading, building, or maintaining your MP5/SP5, we offer premium H&K components like handguards, barrels, magazines, and bolt carrier groups. Shop HK Parts for unmatched reliability and performance for all your MP5/SP5 needs.

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  • AR, M4 Stock Adapter - HK SP5 AR, M4 Stock Adapter - HK SP5

    AR, M4 Stock Adapter - HK SP5

    HKP HK Parts

    $99.95
    AR, M4 End Cap With Replaceable Rubber Buffer - HK SP5  This is the finest AR stock adapter available period. No other adapter compliments the lines of the HK 9X series better than the HK Parts AR adapter. A great way to add a stock or pistol brace...
    HKP-20748
    $99.95
    Qty in Cart: 0
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  • Out Of Stock
    B&T Vertical Fixed Unigrip - Black

    B&T Vertical Fixed Unigrip - Black

    B&T Brugger & Thomet

    $89.95
    B&T Vertical Fixed Unigrip - Black Swiss made B&T vertical for-end grip for picatinny. Made of aluminum Will fit all mil-spec picatinny rails. Measures long. Specifications: Condition: Factory new Color: Black Material: Polymer/alloy
    HKP-18043
    $89.95
    Qty in Cart: 0
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  • Out Of Stock
    H&K MP5 & HK94 9mm Magazine Clamp - Used H&K MP5 & HK94 9mm Magazine Clamp - Used

    H&K MP5 & HK94 9mm Magazine Clamp - Used

    H&K Heckler & Koch

    $0.00
    Like New - HK German MP5 & HK94 Or MP5K & SP89 9mm Magazine Clamp. Allows The User To Clamp 2 Magazines Together For Ease Of Use & Safety By Keeping 2 Magazines Usable & At Your Disposal. Another Heckler & Koch Genuine Part.
    HKP-01730
    $0.00
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  • H&K MP5 40/10 Extractor H&K MP5 40/10 Extractor

    H&K MP5 40/10 Extractor

    H&K Heckler & Koch

    $69.95
    New HK MP5 40/10/.357 Latest Production 1.4mm Extractor This is the latest and greatest upgraded extractor made by HK. This is also a great upgrade for the many out-of-spec clones out there. Compatible With: MP5 40 MP5 10 MP5 .357
    HKP-00410
    $69.95
    Qty in Cart: 0
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  • H&K MP5 40/10 SEF Clipped & Pinned Semi-Auto Trigger Group Complete H&K MP5 40/10 SEF Clipped & Pinned Semi-Auto Trigger Group Complete

    H&K MP5 40/10 SEF Clipped & Pinned Semi-Auto Trigger Group Complete

    H&K Heckler & Koch

    $449.95
    HK German MP5 40, MP5 10mm SEF Clipped & Pinned Semi-Auto Trigger Group - Complete Ready to install on your HK clone or a custom build.
    HKP-00447
    $449.95
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    $449.95
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  • H&K MP5 40/10 Standard 8mm Roller H&K MP5 40/10 Standard 8mm Roller

    H&K MP5 40/10 Standard 8mm Roller

    H&K Heckler & Koch

    $20.95
    HK German MP5 40/10 8mm Roller - Factory New Hard to find and essential for making headspace adjustments when necessary. Great spare to have on hand and no longer in production.  Please Note: The price listed is per roller. Order 2 (pair) for a...
    HKP-00338
    $20.95
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  • HKP 9mm SEF Semi Trigger Pack - ENHANCED 5-6 LBS Trigger Pull HKP 9mm SEF Semi Trigger Pack - ENHANCED 5-6 LBS Trigger Pull

    HKP 9mm SEF Semi Trigger Pack - ENHANCED 5-6 LBS Trigger Pull

    HKP HK Parts

    $439.95
    HKP 9mm SEF Semi Trigger Pack - ENHANCED 5-6 LBS Trigger Pull These trigger packs start as a F/A pack and gets professionally converted to the BATFE specs so you can rest assured the trigger pack is done correctly and to spec. These refinished trigger...
    HKP-20312
    $439.95
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  • HKP HK MP5 .40 S&W Barrel - Threaded 9/16x24 - 3-Lug HKP HK MP5 .40 S&W Barrel - Threaded 9/16x24 - 3-Lug

    HKP HK MP5 .40 S&W Barrel - Threaded 9/16x24 - 3-Lug

    HKP HK Parts

    $249.95
    HKP HK MP5 .40 S&W Barrel - Threaded 9/16x24 - 3-Lug Newly manufactured US Made melonited nitride  MP5 .40 S&W barrel that is 3-lugged and threaded with matching thread protector. This is a barrel offering that is made to the highest...
    HKP-16402
    $249.95
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  • Out Of Stock
    HKP MP5, SP5 Wide Handguard With 6" Bottom Rail HKP MP5, SP5 Wide Handguard With 6" Bottom Rail

    HKP MP5, SP5 Wide Handguard With 6" Bottom Rail

    HKP HK Parts

    $59.95
    HKP MP5, SP5 Wide Handguard With 6" Bottom Rail HK MP5 wide forearm for all MP5 , SP5 & HK94 variants this MP5 handguard is also known as the tropical wide forearm. This item also has an aluminum 6" bottom rail added to the bottom of the wide...
    HKP-14538
    $59.95
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  • HKP SEF Skeletonized Franklin Armory Binary Aluminum Selectors - For Left Hand Shooters HKP SEF Skeletonized Franklin Armory Binary Aluminum Selectors - For Left Hand Shooters

    HKP SEF Skeletonized Franklin Armory Binary Aluminum Selectors - For Left Hand Shooters

    HKP HK Parts

    $69.95
    HK Selector Lever Set for BFSIII HK Binary Trigger Pack - SEF Grip Frames - Aluminum Skeletonized SEF skeletonized style selector lever set modeled after the HK style selector lever for the Franklin Armory trigger packs.   With our new skeletonized...
    HKP-20527
    $69.95
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  • MP5 to MP5K Housing Conversion Service MP5 to MP5K Housing Conversion Service

    MP5 to MP5K Housing Conversion Service

    USA

    $149.95
    MP5 to MP5K Housing Conversion Service At HK Parts we are now offering our own HK trigger housing conversion service. No one does a better job with quicker turn around then we do. This conversion is the best option for those that want to install hard to...
    HKP-20473
    $149.95
    Qty in Cart: 0
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  • Navy Style - SEF - Trigger Group - HK SP5 - Clipped & Pinned Navy Style - SEF - Trigger Group - HK SP5 - Clipped & Pinned

    Navy Style - SEF - Trigger Group - HK SP5 - Clipped & Pinned

    H&K Heckler & Koch

    $579.95
    Navy Style - SEF - Clipped & Pinned Trigger Group - HK SP5 Ready to drop on your SP5 receiver. Great replacement for the 2 position ambidextrous trigger group. Each trigger group is comprised of genuine Heckler & Koch Products. Includes a match...
    HKP-19319
    $579.95
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  • SB Tactical SBM4 Pistol Stabilizing Brace SB Tactical SBM4 Pistol Stabilizing Brace

    SB Tactical SBM4 Pistol Stabilizing Brace

    SB Tactical

    $74.99
    SB Tactical SBM4 Pistol Stabilizing Brace The SBM4 is the evolution of the original SB15 Pistol Stabilizing Brace . . . thinner, lighter and with enhanced cheek weld ergonomics. Includes: Pistol stabilizing brace Adjustable nylon stabilizing...
    HKP-17903
    $74.99
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  • Blitzkrieg PTR Flat Tip Front Sight Gen 2 - Orange Blitzkrieg PTR Flat Tip Front Sight Gen 2 - Orange

    Blitzkrieg PTR Flat Tip Front Sight Gen 2 - Orange

    Blitzkrieg Components

    $84.95
    Blitzkrieg PTR Flat Tip Front Sight Gen 2 - Orange The Blitzkrieg Gen 2 HK-style front sight delivers a fast and precise aiming point with its conventional flat-tipped post and bright orange stripe. Designed for easy installation, it utilizes a roll pin...
    HKP-21103
    $84.95
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  • F5 MFG 50 Round HK MP5/MP5K 9mm Drum - FDE F5 MFG 50 Round HK MP5/MP5K 9mm Drum - FDE

    F5 MFG 50 Round HK MP5/MP5K 9mm Drum - FDE

    F5 MFG

    $199.00
    50 Round Drum - 9mm - FDE - Flat Dark Earth - MP5, MP5K HK MP5 & MP5K 9mm - 50 Round Drum New 3rd generation redesigned version. Now offered at an even lower price! You asked for it and the long-awaited and highly anticipated MP5 50 Round Drum...
    HKP-19217
    $199.00
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    $199.00
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  • H&K HK MP5 4 Position Retractable Buttstock - RAL 8K H&K HK MP5 4 Position Retractable Buttstock - RAL 8K

    H&K HK MP5 4 Position Retractable Buttstock - RAL 8K

    H&K Heckler & Koch

    $594.95
    HK German MP5 & HK SP5 A3 "F" Style Retractable Rear Stock - 4 Position - RAL 8K This German HK A3 retractable is the latest & greatest HK retractable German stock available. Now in the desirable RAL 8000 color. The F stock is designed to take...
    HKP-21265
    $594.95
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    $594.95
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  • H&K MP5 40/10 High Impulse Locking Piece #25

    H&K MP5 40/10 High Impulse Locking Piece #25

    H&K Heckler & Koch

    $229.95
    New HK German MP5 40 or MP5 10mm High Impulse Locking Piece Marked #25 This is the 60-degree locking piece that is used for high-impulse ammo, commonly found in +P or +P+ ammo. This locking piece is needed to cycle these hot loads without excessive...
    HKP-00437
    $229.95
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  • H&K MP5 9mm Grenade Launcher Attachment - 3-Lug H&K MP5 9mm Grenade Launcher Attachment - 3-Lug

    H&K MP5 9mm Grenade Launcher Attachment - 3-Lug

    H&K Heckler & Koch

    $149.95
    H&K MP5 9mm Grenade Launcher Attachment - 3-Lug   This is a rare part and hard to come by. Perfect for MP5 9mm series.   Specifications: 3-Lug Compatible With: HK MP5/MP5K HK SP5/SP5K HK 94
    HKP-16975
    $149.95
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  • H&K MP5, HK94 Steel Cocking Tube Support H&K MP5, HK94 Steel Cocking Tube Support

    H&K MP5, HK94 Steel Cocking Tube Support

    H&K Heckler & Koch

    $84.95
    New HK Factory German MP5 & HK94 All Steel Cocking Tube Support Each HK cocking tube support is a factory German HK part that comes complete with the detent and spring installed. This part is the perfect upgrade from the cheap metal or plastic...
    HKP-00094
    $84.95
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  • Out Of Stock
    H&K MP5, MP5K 9mm, Ambidextrous Navy Trigger Pack H&K MP5, MP5K 9mm, Ambidextrous Navy Trigger Pack

    H&K MP5, MP5K 9mm, Ambidextrous Navy Trigger Pack

    H&K Heckler & Koch

    $0.00
    H&K MP5/K 9mm Ambidextrous Navy Style Trigger Pack Designed for HK MP5 and MP5K 9mm ambidextrous housings and selector levers, this trigger pack features a Navy-style configuration with three positions: Safe, Semi, and Full. It offers the classic...
    HKP-16971
    $0.00
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    $0.00
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  • H&K MP5/SP5K Rear Sight Set Complete-Used

    H&K MP5/SP5K Rear Sight Set Complete-Used

    H&K Heckler & Koch

    $109.95
    HK German MP5 & HK94 Rear Sight Set Complete - Used Taken from demilled MP5's. Includes the entire rear sight assembly and hardware set for the complete rear sight assembly. In some cases, we have replaced the rear sight drum with a brand-new German...
    HKP-00671
    $109.95
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    $109.95
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  • HK MP5/94 3 Position Semi-Only Trigger Group 5 US Made Compliant Parts w/ Flat Trigger HK MP5/94 3 Position Semi-Only Trigger Group 5 US Made Compliant Parts w/ Flat Trigger

    HK MP5/94 3 Position Semi-Only Trigger Group 5 US Made Compliant Parts w/ Flat Trigger

    $649.95
    Trigger Group - Semi-Only - 3 Position - 5 US Made Compliant Parts with Flat Trigger - MP5/94 Ambidextrous Trigger Group - Semi Auto - 5 U.S Parts Includes: Housing Hammer Sear Flat trigger Trigger box Push pin housing if c/p is needed please add the...
    HKP-19939
    $649.95
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    $649.95
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  • HKP HK MP5 9mm Bolt Carrier - Red HKP HK MP5 9mm Bolt Carrier - Red

    HKP HK MP5 9mm Bolt Carrier - Red

    HKP HK Parts

    $189.95
    Bolt Carrier F/A - 9mm - HK Red - MP5 Machined completely from billet ordnance steel. This carrier is made to the latest specs and is Tungsten filled, and heat-treated providing the finest American made carrier available.  This carrier has been...
    HKP-19535
    $189.95
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  • Out Of Stock
    Kinetic Development Group Sidelok Aimpoint Micro Mount - HK logo Kinetic Development Group Sidelok Aimpoint Micro Mount - HK logo

    Kinetic Development Group Sidelok Aimpoint Micro Mount - HK logo

    KDG Kinetic Development Group

    $138.95
    Kinetic Development Group Sidelok Aimpoint Micro Mount - HK logo The Sidelok is a revolutionary new mounting system for optics. The patented cam system locks the mount down onto Picatinny without the need of tools, side levers, or huge knobs. The release...
    HKP-19065
    $138.95
    Qty in Cart: 0
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    $138.95
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  • Lee Sporting, Magpul HK MP5 Complete Trigger Group Flat Trigger Lee Sporting, Magpul HK MP5 Complete Trigger Group Flat Trigger

    Lee Sporting, Magpul HK MP5 Complete Trigger Group Flat Trigger

    Lee Sporting, Magpul

    $549.95
    Lee Sporting Complete Trigger Group - MP5 C/P - Flat Trigger Ergonomic upgrade to OEM grip. 4.3oz lighter than OEM trigger group. Housing made from MJF PA11 nylon. Bespoke ejector lever CNC cut from 4140. Compatible With: HK PTR Dakota Tactical...
    HKP-20482
    $549.95
    Qty in Cart: 0
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    $549.95
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  • RCM MP5 & MP5K 9mm Bolt Head - Stripped RCM MP5 & MP5K 9mm Bolt Head - Stripped

    RCM MP5 & MP5K 9mm Bolt Head - Stripped

    RCM

    $169.95
    HK MP5, MP5K 9mm Bolt Head Incomplete/Stripped MP5, MP5K 9mm New "action 3 style" made to the same specs & tolerances as the latest HK German bolt heads.Compatible with all: HK MP5,94 HK MP5K, SP89 HK clones or custom builds Perfect for upgrading...
    HKP-02556
    $169.95
    Qty in Cart: 0
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    $169.95
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  • Strike Industries HK SP5 Drop-In MOD2 Stock Strike Industries HK SP5 Drop-In MOD2 Stock

    Strike Industries HK SP5 Drop-In MOD2 Stock

    Strike Industries

    $199.95
    Strike Industries HK SP5 Drop-In MOD2 Stock We pair our SP5 AR stock adpter with this Strike MOD2 stock to give you a drop-in SP5 stock. Give your build a modern look and added comfort and adjustability of the MOD2 stock.  Only available here at HK...
    HKP-21332-M
    $199.95
    Qty in Cart: 0
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    $199.95
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  • H&K MP5 40/10 -2 Roller H&K MP5 40/10 -2 Roller

    H&K MP5 40/10 -2 Roller

    H&K Heckler & Koch

    $19.95
    HK German MP5 40/10 -2 roller Hard to find and essential for making headspace adjustments when necessary. Great spare to have on hand and no longer in production.  Please Note: The price listed is per roller. Order 2 (pair) for a complete set for...
    HKP-00336
    $19.95
    Qty in Cart: 0
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    $19.95
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  • Out Of Stock
    H&K Trigger Pack Ejector Lever Axle H&K Trigger Pack Ejector Lever Axle

    H&K Trigger Pack Ejector Lever Axle

    H&K Heckler & Koch

    $0.00
    HK German ejector lever axle pin for all HK trigger packsThis is the factory correct axle pin that holds the ejector lever in place in the trigger pack. Fits all SEF & Ambidextrous style HK trigger packs regardless of caliber. Each is current...
    HKP-01091
    $0.00
    Qty in Cart: 0
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    $0.00
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  • HKP HK 9mm Enhanced Thread Protector - 13.5x1 HKP HK 9mm Enhanced Thread Protector - 13.5x1

    HKP HK 9mm Enhanced Thread Protector - 13.5x1

    HKP HK Parts

    $19.95
    HKP HK 9mm Enhanced Thread Protector - 13.5x1   This enhanced thread protector is crafted from stainless steel and designed for 13.5x1 threaded barrels. Its unique design not only fits over and protects the crown of your barrel but also...
    HKP-21603
    $19.95
    Qty in Cart: 0
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    $19.95
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  • HKP HK SP5 ACR Adapter HKP HK SP5 ACR Adapter

    HKP HK SP5 ACR Adapter

    HKP HK Parts

    $139.95
    HKP HK SP5 ACR Adapter We now offer the ultimate solution for converting the ACR Stock to be fully compatible with your MP5, SP5, and clones. Our cutting-edge aircraft grade aluminum MP5 ACR adapter comes with a pre-installed buffer, ensuring a seamless...
    HKP-21519
    $139.95
    Qty in Cart: 0
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    $139.95
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  • JMAC Customs Extended BDS-37 Blast Diversion Shield - Bravo with HD 3-Lug Adapter JMAC Customs Extended BDS-37 Blast Diversion Shield - Bravo with HD 3-Lug Adapter

    JMAC Customs Extended BDS-37 Blast Diversion Shield - Bravo with HD 3-Lug Adapter

    JMAC Customs

    $239.95
    JMAC Customs Extended BDS-37 Blast Diversion Shield - Bravo with HD 3-Lug Adapter The YHM-2050 HD (heavy duty) 3-Lug adapter is a quick-attach mounting option designed to provide added strength and longevity to your 3-Lug equipped firearm. This fully...
    HKP-20520
    $239.95
    Qty in Cart: 0
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    $239.95
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  • JMAC Universal Picatinny  8" Stock with 1913 Folding Mech JMAC Universal Picatinny  8" Stock with 1913 Folding Mech

    JMAC Universal Picatinny 8" Stock with 1913 Folding Mech

    JMAC Customs

    $304.90 - $309.90
    JMac 8" Stock with 0.275" Cheek Rise - 1913 Attachment Feautures: New Integrated Rubber Buttpad 2x Integrated QD Sling Socket 8" Length 0.275" Cheek Rise Drilled and tapped for optional cheek risers Compatible with JMAC & SIG folding mechanisms 7075...
    HKP-21241-M
    $304.90 - $309.90
    Qty in Cart: 0
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    $304.90 - $309.90
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  • Magpul XTM Hand Stop Kit Magpul XTM Hand Stop Kit

    Magpul XTM Hand Stop Kit

    Magpul

    $19.95
    Magpul XTM Hand Stop Kit The four-piece XTM Hand Stop Kit is a lightweight, low-profile rail-mounted index point for improved weapon control or as a forward stop to prevent the shooter's hand from reaching the hot front sight assembly or muzzle. The kit...
    HKP-14535
    $19.95
    Qty in Cart: 0
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    $19.95
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  • RCM HK MP5 10mm Barrel - Threaded 14x.75 RCM HK MP5 10mm Barrel - Threaded 14x.75

    RCM HK MP5 10mm Barrel - Threaded 14x.75

    RCM

    $279.95
    RCM HK MP5 10mm Barrel - Threaded 14x.75 Enhance your MP5 with the RCM HK MP5 10mm Barrel, featuring precise 14x.75 threading. Expertly crafted for German MP5 models, this barrel ensures superior durability and performance. Ideal for both custom builds...
    HKP-21156
    $279.95
    Qty in Cart: 0
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    $279.95
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  • Out Of Stock
    B&T Direct Thread 1/2x28 Hub Adapter B&T Direct Thread 1/2x28 Hub Adapter

    B&T Direct Thread 1/2x28 Hub Adapter

    B&T Brugger & Thomet

    $114.95
    B&T Direct Thread 1/2x28 Hub Adapter Convert any barrel to accept Hub devices with this direct fit adapter. Compatible With: MP5/K & SP5/K MR556 AR15 Any 1/2x28 threaded barrel
    HKP-21506
    $114.95
    Qty in Cart: 0
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    $114.95
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  • B&T MP5 Folding Stock/Length Adjustable Helmet Stock B&T MP5 Folding Stock/Length Adjustable Helmet Stock

    B&T MP5 Folding Stock/Length Adjustable Helmet Stock

    B&T Brugger & Thomet

    $379.95
    B&T MP5 Folding Stock/Length Adjustable Helmet Stock Swiss made B&T folding and length adjustable helmet stock for the HK MP5 and compatible HK MP5 style firearms. This is a military grade stock as supplied by B&T to military and law...
    HKP-18244
    $379.95
    Qty in Cart: 0
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    $379.95
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  • H&K HK MP5 & HK94 Slimline Forearm - FDE H&K HK MP5 & HK94 Slimline Forearm - FDE

    H&K HK MP5 & HK94 Slimline Forearm - FDE

    H&K Heckler & Koch

    $69.95
    H&K HK MP5 & HK94 Slimline Forearm - FDE These forearm started as a G3, HK91 length forearm and was machined to fit the HK 93,33, cleaned up and cerakoted FDE for the best finish possible.  Available exclusively at HK Parts. Compatible...
    HKP-20486
    $69.95
    Qty in Cart: 0
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    $69.95
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