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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H&K MP5 Magazine Release Set
H&K Heckler & Koch
$184.95H&K Magazine Release Set This is the complete magazine release kit that includes both the paddle mag release and standard left-to-right mag release on your HK 9mm rifle or pistol build. Compatible With: MP5, MP5K style 9mm models Set...HKP-02402$184.95 -
Strike Industries M-LOK & KeyMod Universal 7 Slot Rail Section - Red
Strike Industries
$25.95Strike Industries M-LOK & KeyMod Universal 7 Slot Rail Section - Red Strike Industries LINK attachment system takes the age old question Key-Mod vs. M-LOK and came up with the ultimate solution, a dual interface design compatible with both M-LOK and...HKP-19188$25.95 -
Blitzkrieg HK MP5 Flat Front Sight Gen 2 - Luminescent Green
Blitzkrieg Components
$87.95Blitzkrieg HK MP5 Flat Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight offers an advanced sighting solution with enhanced precision and visibility. Featuring a conventional flat-tipped post and a bright...HKP-21102$87.95 -
On Sale
H&K MP5/MP5K & SP5/SP5K 100 Degree Locking Piece - BLEMISHED
H&K Heckler & Koch
Now: $49.95Was: $89.95H&K MP5/MP5K & SP5/SP5K 100 Degree Locking Piece - BLEMISHED THESE LOCKING PIECES ARE GENUINE UNITS HK THAT WERE MODIFIED TO FUNCTION IN SINGLE-SHOT CONVERTED MP5 PLATFORM FIREARMS. THE MODIFICATION WILL NOT EFFECT THE OPERATION WHEN USED...HKP-00134-BNow: $49.95Was: $89.95 -
H&K SP5K, MP5K Reverse Stretch Cocking Tube Support Spring
H&K Heckler & Koch
$6.95H&K SP5K, MP5K Reverse Stretch Cocking Tube Support Spring A great spare to have on hand as this part can become worn and be lost. The cocking tube support spring applies pressure to the cocking tube detent to enable to the detent to lock into...HKP-17873$6.95 -
E&L MFG MP5, MP5K, 94, SP89 Brass Catcher
E&L MFG
$79.95E&L MFG MP5, 94, MP5K, SP89 Brass Catcher Rigid brass catchers are uniquely designed to conform to the shape of the firearm. Snaps on and off instantly and is made from strong, lightweight, black textured plastic. Each holds a minimum of 60 rounds...HKP-00845$79.95 -
H&K -6 Roller For Bolt Head 7.94mm - Under-sized
H&K Heckler & Koch
$27.95H&K -6 Roller For Bolt Head 7.94mm - Under-sized New HK German -6 roller that measures 7.94mm. For use with all HK 90 series firearms. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way...HKP-00342$27.95 -
H&K 45mm Picatinny Rail Cover - Black
H&K Heckler & Koch
$14.95HK Rubber Picatinny Rail Cover - 45mm New Factory HK Rubberized Picatinny Rail Cover Specifications: Rail cover dimensions: 45x26x7 mmHKP-18857$14.95 -
H&K Bungee Single Point Sling - 1600mm Long
H&K Heckler & Koch
$129.95H&K Bungee Single Point Sling - 1600mm 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-18182$129.95 -
H&K SP5K Spec Only 9mm SEF Navy Style Housing - Clipped & Pinned - USED
H&K Heckler & Koch
$149.95H&K SP5K Spec Only 9mm SEF Navy Style Housing - Clipped & Pinned - USED Hand-selected for the highest quality, these "like new" H&K SP5K SEF style trigger housings have been meticulously clipped and pinned to fit the correct SP5K style shelf...HKP-20064$149.95 -
RCM MP5K/SP89 9mm Locking Piece - 110 Degree
RCM
$33.95MP5K, SP89 Locking Piece - 110 Degree - RCM US-Made Locking Piece. Made from ordnance grade steel, heat treated, and made to last by RCM. HK no longer makes the 110-degree locking piece as they use the 100-degree locking piece in all 9mm MP5 and MP5K...HKP-01465$33.95 -
Ergo M-LOK Hand Stop
Ergo
$51.95M-LOK Hand Stop/Barricade Stop in Black Features: Aggressive textured front for enhanced traction on barricades and obstacles Low profile base also functions as a comfortable hand stop Black anodized 6061-T6 aluminum Fits all M-LOK style forearms or...HKP-17852$51.95 -
HKP HK MP5 Raised Picatinny Rail
HKP HK Parts
$134.95HKP HK MP5 Raised Picatinny Rail The HK Parts MP5 Raised Picatinny Rail offers the best of both worlds featuring an unimpeded view of the factory iron sights and an elevated mount for your favorite optic. Cowitness? Lower third? ...HKP-21601$134.95 -
HKP MP5K/SP89/SP5K 9mm AR/M4 Adapter & Stock Assembly
HKP HK Parts
$229.95HK MP5K, MP5K-N AR Magpul Stock Each HK MP5K AR stock adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct H buffers to protect your expensive firearm. This is the finest AR stock adapter...HKP-17175$229.95 -
HKP MP5K/SP89/SP5K 9mm Cocking Tube & Support Set
HKP HK Parts
$129.95HKP MP5K/SP89/SP5K 9mm Cocking Tube & Support Set Specifications: Construction: Hard Coated Titanium Color: Matte Black Weight: 1.7 oz. Compatible With: HK MP5K HK SP89 HK SP5K MP5 Reverse stretch builds, clones, or other custom buildsHKP-00184$129.95 -
MI Pistol Brace Compatible Side Folder
MI Midwest Industries
$129.95MI Pistol Brace Compatible Side Folder For use with Gear Head Works Tailhook Pistol Brace Features: Made in the USA Heavy duty side folding mechanism constructed from 4140 steel Full length locking lug for maximum strength. Solid positive...HKP-19959$129.95 -
Surefire 12-Pack 123A Batteries
Surefire
$29.95Surefire 12-Pack 123A Batteries Made in the USA and the "gold standard" in battery performance. These are the best performance, longest lasting 123 batteries available. The price is for a box of 12 new batteries. Ideal for use with lasers, lights,...HKP-02711$29.95 -
HKP HK MP5 Binary SL Selectors
HKP HK Parts
$69.95HKP HK MP5 Binary SL Selectors: Our selectors were made to work specifically with the Magpul SL housing in conjunction with the popular Franklin Armory Binary trigger pack. We aimed to keep the same aesthetics as our SEF style binary selector levers but...HKP-21438$69.95 -
HKP MP5 & MP5K 9mm Ambidextrous 0,1 Trigger Pack - Match
HKP HK Parts
$579.95HKP/H&K MP5/K 9mm 2 Position 0,1 Ambidextrous Match Trigger Pack We have one of the best HK gunsmiths in the country that is able to take hand picked German HK F/A trigger packs and modify them to semi-auto. This is done with the best and most...hkp-18424$579.95 -
On Sale
HKP MP5 & MP5K 9mm Magazine Floor Plate - BLEMISHED
HKP HK Parts
Now: $5.95Was: $9.95HKP MP5 & MP5K 9mm Magazine Floor Plate - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. New US manufactured MP5, MP5K 9mm magazine floor plate...HKP-17507-BNow: $5.95Was: $9.95 -
RCM MP5K/SP89/SP5K 9mm RS Trunnion
RCM
$69.95MP5K Reverse Stretch Trunnion US-made to exact factory HK specifications for the HK MP5K, SP89 9mm builds. There is a difference between the MP5K and the MP5 trunnion. This offering is the correct trunnion for the MP5K and all MP5K PDW variants,...HKP-02242$69.95 -
Strike Industries Link Anchor Poly Handstop
Strike Industries
$19.95Strike Industries Link Anchor Poly Handstop The LINK Anchor Handstop is made from a heat-resistant polymer that allows comfortable grip in any shooting condition. It has a low profile design that allows mounting through any MLOK or KeyMod openings. The...HKP-19645$19.95 -
Out Of Stock
B&T HK MP5/MP5K Telescopic Brace - Stock Conversion Kit
B&T Brugger & Thomet
$189.95Stock Conversion Kit - HK MP5 Telescopic Brace B&T stock conversion kit for BT-200601 & BT-200602 telescopic brace. Converts the telescopic brace into a telescopic stock. Compatible With: HK MP5 HK MP5KHKP-21384$189.95 -
DTAC Picatinny Rail For HK Receivers - 15 Slot
DTAC Dakota Tactical
$74.95Dakota Tactical Picatinny Rail To Weld To The Receiver Mil-Spec all steel picatinny rail in the white, relief cut for HK receivers & made for mounting scopes and optics to HK builds. This unit easily welds to the top of your HK receiver. Compatible...HKP-17819$74.95 -
Franklin Armory HK MP5K-AR Binary Trigger Group
FA Franklin Armory
$849.95Franklin Armory HK MP5K-AR Binary Trigger Group Introducing our new MP5K-AR Navy ambidextrous lower housing, paired with a Franklin Armory Binary Trigger pack and a Magpul MOE grip for a complete MP5K-AR Binary Trigger group. This drop-in unit fits all...HKP-21337-M$849.95 -
H&K MP5 40/10 30 Round Magazine Spring
H&K Heckler & Koch
$9.95H&K MP5 40/10 30 Round Magazine Spring New HK German MP5 40/10 magazine spring for the 30 round magazine. Hard to find and a must have repair and replacement item.HKP-01056$9.95 -
PTR Locking Piece HK MP5, HK SP5 , HK MP5K, HK SP5K - 100 Degree
PTR
$39.95PTR Locking Piece HK MP5, HK SP5 , HK MP5K, HK SP5K - 100 Degree This PTR 100 degree locking piece is a great replacement for your worn out locking piece or to replace the 110 degree locking piece from a MP5K. The MP5 100 degree locking piece is the...HKP-20342$39.95 -
Strike Industries HK MP5K Dual Folding Stock with Adapter
Strike Industries / HKP
$319.95Strike Industries Dual Folding Stock with HKP MP5K Adapter The Strike Dual Folding Adapter paired with our MP5K picatinny adapter is one of the best options on the market for those looking for weight reduction and a compact configuration. Multiple QD...HKP-21428$319.95 -
H&K MP5/MP5K 3-Lug Blank Firing Adapter
H&K Heckler & Koch
$139.95H&K MP5/MP5K 3-Lug Blank Firing Adapter This part attaches to the end of the 3-lug barrel tip and will allow the use of 9mm blanks for training. A brand new HK German manufactured part. Specifications: 3-Lug Blank Firing Adapter Compatible...HKP-01990$139.95 -
HKP 90 Series F1 Flat Trigger - Skeletonized
HKP HK Parts
$59.95HKP 90 Series F1 Flat Trigger - Skeletonized The HK Parts Skeletonized F1 flat 90 series trigger is expertly engineered for exceptional performance and reliability. It fits all 0, 1, SEF, and Navy style trigger packs effortlessly. Machined from...HKP-21580$59.95 -
Talon Grip HK Navy Style Lower Pistol Grip Granulate - Black
Talon Grip
$19.99Talon Grip HK Navy Style Lower Pistol Grip Granulate - 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...HKP-20230$19.99 -
H&K Front Sight Blade
H&K Heckler & Koch
$11.95H&K Front Sight Blade New Factory HK manufactured. This is compatible with all HK front sight towers & triple frames.HKP-00370$11.95 -
H&K MP5, MP5K Rear Sight Set Complete-Windage Knob
H&K Heckler & Koch
$129.95MP5 & HK94 Rear Sight Set Complete - With Windage Adjustment Knob Each rear sight unit comes with German HK parts, with the only exception being the hand-adjustable windage screw. Each set includes the entire rear sight assembly and hardware set for...HKP-02532$129.95 -
KCI 30 Round HK MP5 Supersonic Labeled Magazine
KCI
$44.95KCI 30 Round HK MP5 Supersonic 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-21130$44.95 -
H&K Cocking Tube End Cap Detent
H&K Heckler & Koch
$4.95HK German Cocking Tube End Cap/Dust Cap Detent HK German cocking tube detent for all steel and aluminum cocking tube end caps. Made of steel and finished in black.HKP-18050$4.95 -
H&K MP5/MP5K Muzzle Protector Cap - 3-Lug
H&K Heckler & Koch
$19.95H&K MP5/MP5K Muzzle Protector Cap - 3-Lug New HK German high impact polymer muzzle protector, sealing cap. Simply slide the barrel cap over the exposed HK MP5/MP5K 3-lug barrel and remove when needed. A must have for sealing the muzzle end of the...HKP-17666$19.95 -
Compression Rod - 90's Series - Titanium
HKP HK Parts
$29.95Compression Rod - 90's Series - Titanium The H&K burst trigger pack compression rods and compression rod springs are the foremost wear/breakage components in burst packs. This replacement compression rod is constructed from titanium, offering...HKP-20887$29.95 -
H&K 9mm Thread Protector - Threaded 1/2x32 RH
H&K Heckler & Koch
$39.95H&K 9mm Thread Protector - Threaded 1/2x32 RH A great replacement item for lost or damaged thread protectors & caps. This part is compatible with all factory-spec MP5 Navy or MP5KN barrels. Specifications: Overall Length .610" Threaded 1/2x32...HKP-00108$39.95 -
H&K HK 30 Round MP5/SP5 & MP5K/SP5K 9mm Magazine - White
H&K Heckler & Koch
$99.95New German - H&K MP5, SP5, SP5K, MP5K 9mm - 30 Round Curved Magazine - White 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 finest...HKP-19976$99.95 -
HKP SEF Style Franklin Armory Binary Aluminum Selectors - For Left Handed Shooters
HKP HK Parts
$59.95HK Selector Lever Set for BFSIII HK Binary Trigger Pack - SEF Grip Frames - Aluminum SEF style selector lever set modeled after the HK style selector lever for the Franklin Armory trigger packs. This set was made specifically for the left hand shooters...HKP-20503$59.95