HK MP5K/SP5K Series

HK MP5K/SP5K Series

Discover the most comprehensive selection of HK MP5K and SP5K parts at HKP. From bolt carrier groups and barrels to trigger packs and magazines, we provide all the HK parts you need to build, upgrade, or maintain your firearm. Whether you're enhancing your MP5K with 922r compliant parts or looking for the perfect SP5K flash hider, our top-quality components are designed for precision, reliability, and performance. Trust HKP for all your MP5K and SP5K parts and accessories.

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  • MP5, MP5K 9mm Contact Piece For Paddle Mag Release - German MP5, MP5K 9mm Contact Piece For Paddle Mag Release - German

    MP5, MP5K 9mm Contact Piece For Paddle Mag Release - German

    H&K Heckler & Koch

    $39.95
    MP5, MP5K 9mm Contact Piece For Paddle Mag Release - German This is the real deal NOT the .308 or .223 contact piece. Hard to find factory-correct, brand-new, latest production German HK 9mm contact piece. Compatible With: MP5, SP5, 94, SP5 MP5K, SP5K,...
    HKP-00118
    $39.95
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  • Talon Grip HK Navy Style Lower Pistol Grip Rubber - Black Talon Grip HK Navy Style Lower Pistol Grip Rubber - Black

    Talon Grip HK Navy Style Lower Pistol Grip Rubber - Black

    Talon Grip

    $19.99
    Talon Grip HK Navy Style Lower Pistol Grip Rubber - Black TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and easy...
    HKP-20229
    $19.99
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  • H&K HK 30 Round MP5/SP5 & MP5K/SP5K 9mm Magazine - OD Green H&K HK 30 Round MP5/SP5 & MP5K/SP5K 9mm Magazine - OD Green

    H&K HK 30 Round MP5/SP5 & MP5K/SP5K 9mm Magazine - OD Green

    H&K Heckler & Koch

    $99.95
    New German - H&K MP5, SP5, SP5K, MP5K 9mm - 30 Round Curved Magazine  - OD Green Heckler & Koch factory fresh magazine from this current year's production. 9mm 30 Round curved all-steel magazine stamped "Made In Germany". These are the...
    HKP-19973
    $99.95
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  • HK MP5K, SP5K Rear Push Pin Weldment Set HK MP5K, SP5K Rear Push Pin Weldment Set

    HK MP5K, SP5K Rear Push Pin Weldment Set

    USA

    $14.95
    HK MP5K, SP5K Rear Push Pin Weldment Set This weldment set is the 2 pieces needed for the rear of the flat/receiver that holds the stock/brace or end cap in place. CNC machined from weldable steel and the finest weldment available on the market...
    HKP-19632
    $14.95
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  • Out Of Stock
    HKP - MP5K, SP89 Receiver Flat With Weldment Set

    HKP - MP5K, SP89 Receiver Flat With Weldment Set

    HKP HK Parts

    $239.95
    HKP - MP5K, SP89 Receiver Flat With Weldment Set New MP5K receiver flat and weldment set combined for the best complete build option on the market. Made by the original German tool and die maker of the LSC receiver flat utilizing factory original German...
    HKP-20882
    $239.95
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  • HKP 10 Round MP5 40/10 Magazine Block HKP 10 Round MP5 40/10 Magazine Block

    HKP 10 Round MP5 40/10 Magazine Block

    HKP HK Parts

    $9.95
    HKP 10 Round MP5 40/10 Magazine Block MP5 10/30 mag block plug. This is designed to use on the HK MP5 40/10 30 round magazine. Very easy to install & use.  Compatible With: MP5 .40, MP5 10mm Clones or other custom builds
    HKP-18170
    $9.95
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  • HKP MP5, MP5K Rear Sight Base - Billeted

    HKP MP5, MP5K Rear Sight Base - Billeted

    HKP HK Parts

    $17.95
    Billeted MP5, MP5K Rear Sight Base - Weldment All steel HK MP5, MP5K billeted rear sight base. The most correct MP5, MP5K rear sight base available. The only billeted factory correct sight base with the factory HK German side axis grooves. If you want...
    HKP-18087
    $17.95
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  • HKP MP5K 9mm Trunnion HKP MP5K 9mm Trunnion

    HKP MP5K 9mm Trunnion

    HKP HK Parts

    $57.95
    HK MP5K Trunnion - USA US made to exact factory HK specifications for the HK MP5K type builds. Machined completely from ordnance grade steel and heat treated to factory specs. These are the best USA made trunnions on the market. Machined to HK spec...
    HKP-17964
    $57.95
    Qty in Cart: 0
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  • On Sale
    JMAC HK MP5 9mm Muzzle Device - Compatible With KeyMo Suppressors - Threaded 1/2x28 JMAC HK MP5 9mm Muzzle Device - Compatible With KeyMo Suppressors - Threaded 1/2x28

    JMAC HK MP5 9mm Muzzle Device - Compatible With KeyMo Suppressors - Threaded 1/2x28

    JMAC Customs

    Now: $77.95
    Was: $99.95
    JMAC HK MP5 9mm Muzzle Device - Compatible With KeyMo Suppressors - Threaded 1/2x28 management and a 10mm bore to reduce flash and concussion. Its no-timing design allows for easy installation without shims or crush washers. Compatible with KeyMount and...
    HKP-21256
    Now: $77.95
    Was: $99.95
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    Now: $77.95
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  • Magpul M-LOK QD Sling Mount

    Magpul M-LOK QD Sling Mount

    Magpul

    $27.95
    Magpul M-LOK QD Sling Mount The M-LOK Quick Detach Sling Mount provides a forward attachment point for the Magpul MS4 Sling and other push-button QD slings. Machined from Mil-Spec anodized aluminum, the low-profile M-LOK QD Sling Mount features beveled...
    HKP-17268
    $27.95
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  • H&K Ambidextrous Left Side Extended ESSL 4 Position Burst

    H&K Ambidextrous Left Side Extended ESSL 4 Position Burst

    H&K Heckler & Koch

    $299.95
    HK German Ambidextrous Left Side EXTENDED Safety Selector Lever 4 Position Burst (0,1,3, F) The ESSL will allow the user to have an easier time getting to the selector lever than a standard length lever. Great for those who...
    HKP-00126
    $299.95
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  • H&K German Claw Mount - Refinished H&K German Claw Mount - Refinished

    H&K German Claw Mount - Refinished

    H&K Heckler & Koch

    $299.95
    H&K German Claw Mount - Refinished Genuine German HK manufactured refinished claw mounts. No longer made or available as these are out of production and supplies are drying up worldwide. Compatible With: HK MP5 HK 93 HK 91 HK G3 HK PSG-1 HK MSG-90
    HKP-20632
    $299.95
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  • HK SP5K 9mm - SEF, Navy Style - Clipped & Pinned HK SP5K 9mm - SEF, Navy Style - Clipped & Pinned

    HK SP5K 9mm - SEF, Navy Style - Clipped & Pinned

    H&K Heckler & Koch

    $199.95
    HK German SP5K Spec - Navy Style - SEF C/P Housing HK SP5K Spec ONLY for the newly released HK SP5K spec. Made is Germany and machined to fit the HK SP5K spec only. Compatible With: HK SP5K 9mm Spec For use with an SEF style trigger pack not the...
    HKP-17945
    $199.95
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  • HKP HK MP5K Folding Stock w/ Adapter - Black HKP HK MP5K Folding Stock w/ Adapter - Black

    HKP HK MP5K Folding Stock w/ Adapter - Black

    $269.95
    German Folding Stock with HK Parts Adapter - MP5K German folding stock with MP5K HK Parts Adapter. The HK Parts adapter offers a QD attachment point and is made from hard coat anodized aluminum. Compatible With: MP5K SP5K In spec clones  
    HKP-19550
    $269.95
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  • MP5K Complete Weldment Set MP5K Complete Weldment Set

    MP5K Complete Weldment Set

    $59.95
    MP5K Complete Weldment Set  Each set of weldments is all of the weldments required for an MP5K flat. Includes: Rear sight base Sight tab Case deflector Semi auto shelf Side reinforcement tabs 2 X rear stock bushings
    HKP-16231
    $59.95
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  • SB Tactical HK MP5K & SP5K SBA3 5 Position Adjustable Stabilizing Brace - Black SB Tactical HK MP5K & SP5K SBA3 5 Position Adjustable Stabilizing Brace - Black

    SB Tactical HK MP5K & SP5K SBA3 5 Position Adjustable Stabilizing Brace - Black

    SB Tactical

    $269.95
    SBA3 - 5 Position Adjustable Stabilizing Brace - MP5K / SP5K The perfect addition to your firearm with the ability to adjust length with its 5-position adjustable buffer tube. Dramatically enhances versatility, and features a minimalist design with an...
    HKP-20277
    $269.95
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  • H&K MP5/SP5 9mm Magazine Unloader H&K MP5/SP5 9mm Magazine Unloader

    H&K MP5/SP5 9mm Magazine Unloader

    H&K Heckler & Koch

    $119.95
    H&K MP5/SP5 9mm Magazine Unloader HK MP5 German Magazine Unloader for MP5, SP5, and HK94 9mm magazines. This part is compatible with the 30, 15, and 10-round factory magazines.
    HKP-00085
    $119.95
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  • H&K MP5K Replacement Buffer For Factory End Cap or Folding Stock

    H&K MP5K Replacement Buffer For Factory End Cap or Folding Stock

    H&K Heckler & Koch

    $24.95
    H&K MP5K Replacement Buffer for Factory End Cap or Folding Stock This item is a Heckler & Koch Genuine Part, used to replace the factory HK buffer on MP5K folding stocks and end caps. This is only usable on the factory OEM stock and end cap. This...
    HKP-01233
    $24.95
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  • HKP MP5 9mm SEF Style 0,1 Trigger Pack - Safe, Semi Only HKP MP5 9mm SEF Style 0,1 Trigger Pack - Safe, Semi Only

    HKP MP5 9mm SEF Style 0,1 Trigger Pack - Safe, Semi Only

    HKP HK Parts

    $359.95
    HKP/H&K MP5/K 9mm SEF Semi-Auto Complete Trigger Pack We have one of the best HK gunsmiths in the country that can take hand-picked German HK F/A trigger packs and modify them to semi-auto. This is done with the best and most precise machinery and...
    HKP-00152
    $359.95
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  • HKP Single Point Sling - Dark Earth HKP Single Point Sling - Dark Earth

    HKP Single Point Sling - Dark Earth

    HKP HK Parts

    $29.95
    HKP Single Point Sling - Dark Earth This sling is a must-have for those who prefer operating with a single-point sling over the traditional 3-point HK sling. Features: Super thick all Dark Earth heavy-duty corduroy nylon to withstand years of heavy...
    HKP-09051
    $29.95
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  • JMAC Universal Picatinny 8" Arm Bar with Brace Adapter JMAC Universal Picatinny 8" Arm Bar with Brace Adapter

    JMAC Universal Picatinny 8" Arm Bar with Brace Adapter

    JMAC Customs

    $279.85
    JMAC Arm Bar 8" Inch Rise with Brace Adapter and 1913 Folding Mech (A)rm(B)ar(8)inch(R)ise + AB-BA Brace Adapter + our 1913 Folding Mech (not assembled) Features: Modular Design - Brace/Stock with many mounting options Integrated QD Sling Socket 8"...
    HKP-21247
    $279.85
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  • Magpul RSA - Rail Sling Attachment Magpul RSA - Rail Sling Attachment

    Magpul RSA - Rail Sling Attachment

    Magpul

    $29.95
    Magpul RSA - Rail Sling Attachment Attaches to Picatinny rails for an additional point of attachment for slings.
    HKP-02423
    $29.95
    Qty in Cart: 0
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  • MI HK MP5K 1913 End Plate Adapter MI HK MP5K 1913 End Plate Adapter

    MI HK MP5K 1913 End Plate Adapter

    MI Midwest Industries

    $89.95
    MI HK MP5K 1913 End Plate Adapter The Midwest Industries Picatinny end plate adapter opens up a myriad of off-the-shelf stock and brace options. The adapter installs in the same manner as the factory end cap with a single pushpin. Modification may be...
    HKP-21584
    $89.95
    Qty in Cart: 0
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  • Out Of Stock
    KCI 30 Round HK MP5 Subsonic Labeled Magazine KCI 30 Round HK MP5 Subsonic Labeled Magazine

    KCI 30 Round HK MP5 Subsonic Labeled Magazine

    HKP HK Parts

    $44.95
    KCI 30 Round HK MP5 Subsonic Labeled Magazine Each 9mm Magazine Features: Latest generation and factory fresh, individually sealed magazine 30-round capacity 9mm caliber marked (9mm x 19) Curved for more reliable feeding with steel chrome follower All...
    HKP-21131
    $44.95
    Qty in Cart: 0
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    $44.95
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  • Trijicon 90 Series Front & Rear Night Sight Set Trijicon 90 Series Front & Rear Night Sight Set

    Trijicon 90 Series Front & Rear Night Sight Set

    Trijicon

    $124.95
    Trijicon 90 Series Front & Rear Night Sight Set Trijicon produces the brightest night sights available for Heckler & Koch sub guns and rifles. These tritium night sight inserts are a no-brainer for quicker, more accurate point-and-shoot...
    HKP-00373
    $124.95
    Qty in Cart: 0
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    $124.95
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  • Elite Tactical Systems 20 Round MP5 9mm Magazine-Translucent

    Elite Tactical Systems 20 Round MP5 9mm Magazine-Translucent

    Elite Tactical Systems

    $39.95
    HK MP5 9mm 20 Round Translucent Magazine Features: Works with ETSCAM-RIFLE speed loader Extremely reliable feeding - Even with hollow points Far lighter than steel magazines Fits standard MP5 mag pouches and couplers Limited 20 round capacity Lifetime...
    HKP-18739
    $39.95
    Qty in Cart: 0
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    $39.95
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  • H&K Bungee Single Point Sling - 1325mm Long H&K Bungee Single Point Sling - 1325mm Long

    H&K Bungee Single Point Sling - 1325mm Long

    H&K Heckler & Koch

    $114.95
    H&K Bungee Single Point Sling - 1325mm Long New factory HK German manufactured single point elastic "push/pull" bungee style sling. Includes the factory sling hook and is fully adjustable for the average sized mag to use. Will fit any HK application...
    HKP-18728
    $114.95
    Qty in Cart: 0
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    $114.95
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  • HKP HK MP5, SP5 20 Round Magazine Spring HKP HK MP5, SP5 20 Round Magazine Spring

    HKP HK MP5, SP5 20 Round Magazine Spring

    HKP HK Parts

    $6.95
    20 Round Magazine Spring - HK MP5, 94, SP5 Fits all factory spec steel 20 round MP5, 94 style curved magazines. A must-have repair and replacement part great for spares.
    HKP-20687
    $6.95
    Qty in Cart: 0
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    $6.95
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  • MKE 30 Round MP5/AP5 Magazine MKE 30 Round MP5/AP5 Magazine

    MKE 30 Round MP5/AP5 Magazine

    MKE

    $64.95
    HK MP5 30 Round Magazine - MKE - AP5  These MKE 30 round magazines are the perfect addition or replacement for your AP5 or MP5 pistol. The MKE magazine features the original MP5 design. Constructed of heat-treated steel for lasting...
    HKP-21341-M
    $64.95
    Qty in Cart: 0
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    $64.95
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  • Strike Universal Picatinny - Dual Folding Adapter - Stabilizer Strike Universal Picatinny - Dual Folding Adapter - Stabilizer

    Strike Universal Picatinny - Dual Folding Adapter - Stabilizer

    Strike Industries

    $197.99
    Strike Dual Folding Adapter - Stabilizer This new stabilizer is the perfect option for the MP5 or MP5K platform that utilizes a 1913 picatinny back plate. For a quick and easy ambidextrous folding action.  The Strike Dual Folding Adapter is a...
    HKP-21288
    $197.99
    Qty in Cart: 0
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    $197.99
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  • Trijicon RMR/SRO Low Picatinny Rail Mount Trijicon RMR/SRO Low Picatinny Rail Mount

    Trijicon RMR/SRO Low Picatinny Rail Mount

    Trijicon

    $94.95
    Trijicon Low Picatinny Rail Mount for RMR/SRO - RM33 Low Picatinny rail mount for RMR/SRO. Includes: Mount Optic mounting screws Distance From Top of Mounting Rail to Optical Axis: RMR: 0.768" SRO: 1.009" Slimline mounts, fits Picatinny rail
    HKP-20335
    $94.95
    Qty in Cart: 0
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    $94.95
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  • B&T MP5, MP5K Low Mount For Trijicon ACOG

    B&T MP5, MP5K Low Mount For Trijicon ACOG

    B&T Brugger & Thomet

    $169.95
    B&T Mounting Rail NAR for HK MP5 & MP5K with Tijicon ACOG Specifications: Color: Black Height max: 31.5 mm Length max: 84 mm Material: Aluminum Treatment: Hardcoat anodized Weight: 88 g Width max: 40 mm Compatible With: HK MP5 & SP5 HK...
    HKP-17284
    $169.95
    Qty in Cart: 0
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    $169.95
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  • Franklin Armory HK MP5K - BFSIII HK-C1 – Binary Trigger Group – SEF – Contoured Franklin Armory HK MP5K - BFSIII HK-C1 – Binary Trigger Group – SEF – Contoured

    Franklin Armory HK MP5K - BFSIII HK-C1 – Binary Trigger Group – SEF – Contoured

    $1,499.95 - $1,549.95
    Franklin Armory HK MP5K - BFSIII HK-C1 – Binary Trigger Group – SEF – Contoured In position 3 it will fire 1 round on pull and 1 round on release. With a 4.5 lb trigger pull, making this the fastest semi-automatic trigger on the market...
    HKP-20005-M
    $1,499.95 - $1,549.95
    Qty in Cart: 0
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    $1,499.95 - $1,549.95
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  • HKP HK MP5K Ace Style Stock HKP HK MP5K Ace Style Stock

    HKP HK MP5K Ace Style Stock

    HKP HK Parts

    $164.95
    HKP HK MP5K Ace Style Stock MP5K billet ace adapter paired with an all steel ace style stock. 
    HKP-20953
    $164.95
    Qty in Cart: 0
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    $164.95
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  • HKP MP5K 9mm Fake Suppressor/Barrel Extension - 3-Lug

    HKP MP5K 9mm Fake Suppressor/Barrel Extension - 3-Lug

    HKP HK Parts

    $59.95
    HKP MP5K 9mm Fake Suppressor/Barrel Extension - 3-Lug MP5K 3-Lug Barrel Barrel Extension, Fake Suppressor US made MP5K solid aluminum fake suppressor, barrel extension. Slips over the 3-lug MP5K PDW barrel and then pinned in place to meet the overall 16"...
    HKP-18001
    $59.95
    Qty in Cart: 0
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    $59.95
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  • HKP MP5K Side Folding Brace Adapter HKP MP5K Side Folding Brace Adapter

    HKP MP5K Side Folding Brace Adapter

    HKP HK Parts

    $119.95
    HK Parts Adapter for Side Folding Pistol Stabilizing Brace - HK MP5K, SP89, SP5K & Clone  The HK Parts folding brace adapter is the best option to attach the SB tactical Folding brace or any brace that utilizes the same mounting / folding...
    HKP-20798-M
    $119.95
    Qty in Cart: 0
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    $119.95
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  • Strike Industries QD & Sling Hook Sling Attachement

    Strike Industries QD & Sling Hook Sling Attachement

    Strike Industries

    $28.95
    Ambush QD Sling Loop The Strike Industries Ambush low profile sling loop is the lowest profile sling loop designed for the MIL-STD-1913 rail. Made of solid steel, its unique locking bar design system allows for it to be lightweight and durable. Because...
    HKP-17381
    $28.95
    Qty in Cart: 0
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    $28.95
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  • Out Of Stock
    DTAC MP5K/SP89/SP5K 9mm Modular Handguard - M-LOK

    DTAC MP5K/SP89/SP5K 9mm Modular Handguard - M-LOK

    DTAC Dakota Tactical

    $159.95
    DTAC MP5K/SP89/SP5K 9mm Modular Handguard - M-LOK Features: Made in the USA (922r compliant part) M-LOK accessory compatible 6 ergonomically placed slots for maximum versatility Exclusive extended forward accessory mounting 1-piece main body machined...
    HKP-17808
    $159.95
    Qty in Cart: 0
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    $159.95
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  • H&K HK MP5 30 Round Mag Pouch - 3 Straight Mags - Used H&K HK MP5 30 Round Mag Pouch - 3 Straight Mags - Used

    H&K HK MP5 30 Round Mag Pouch - 3 Straight Mags - Used

    H&K Heckler & Koch

    $24.95
    German H&K MP5 9mm 30 Round Magazine Pouch - Fits 3 Straight MP5 Mags - Used to Good Used to good shape German HK magazine Pouch for HK MP5 sticks mags. This is the first production MP5 style of magazine pouch. Each mag pouch is made in Germany and...
    HKP-20728
    $24.95
    Qty in Cart: 0
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    $24.95
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  • H&K HK MP5, MP5K MIM & Machined Rear Sight Base H&K HK MP5, MP5K MIM & Machined Rear Sight Base

    H&K HK MP5, MP5K MIM & Machined Rear Sight Base

    H&K Heckler & Koch

    $14.95
    MP5, MP5K Rear Sight Base - Weldment New HK MP5, MP5K 17-4 Stainless H900 rear sight base. The most correct MP5, MP5K rear sight base available. The only factory correct sight base with the factory HK German side axis grooves. If you want your build to...
    HKP-19705
    $14.95
    Qty in Cart: 0
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    $14.95
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