HK MP5/K & SP5/K Small Parts
Find every small part you need for your HK MP5 build or repair. Our selection includes pins, springs, detents, and other essential components from HK and trusted aftermarket suppliers.
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HKP Roller +3 - New - 8.03mm
H&K Heckler & Koch
$8.99Roller +3 - New - 8.03mmHK Parts Standard (8.03 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture.Price is per roller.**You need to order two for a complete set (pair) for bolt head.**HKP-19425$8.99 -
H&K Cocking Tube End Cap/Dust Cap
H&K Heckler & Koch
$34.95H&K Cocking Tube End Cap/Dust Cap This part is Factory HK, painted black and not surplus or old stock. Each is factory-fresh and manufactured in steel. Compatible With: Compatible with all 90 series HK firearms and clones that use a triple...HKP-00099$34.95 -
Magpul M-Lok 3 Slots Rail Section
Magpul
$18.95Designed for use with all M-LOK compatible Hand Guards and Forends, M-LOK Aluminum Rail Sections allow the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights, vertical grips, etc. Machined from milspec-anodized aluminum,...HKP-20495$18.95 -
H&K Trigger Pack Sear/Catch - Surplus
H&K Heckler & Koch
$12.95Sear/Catch Complete For HK 90 Series Trigger Packs - German HK - Used German HK Sear/Catch complete with installed detent, spring and roll pin. Used surplus in VG-EXC shape and in perfect working order and complete. This item is an absolute bargain at...HKP-18304$12.95 -
HKP Roller +7 - New - 8.07mm
HKP HK Parts
$8.99Roller +7 - New - 8.07mmHK Parts Standard (8.07 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture.Price is per roller.**You need to order two for a complete set (pair) for bolt head.**HKP-19442$8.99 -
Out Of Stock
H&K SP5K 9mm Drop In Paddle Mag Release Upgrade Kit
H&K Heckler & Koch
$0.00German HK SP5K Anti-Rattle Roller Tipped "Paddle" Magazine Release Install Kit No modifications, no refinishing...complete drop-in kit included New HK German & USA made busing for a drop-in install kit for the HK SP5K. This kit will allow any...HKP-18082$0.00 -
HKP Roller +1 - New - 8.01mm
H&K Heckler & Koch
$8.99Roller +1 - New - 8.01mmHK Parts Standard (8.01 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture.Price is per roller.**You need to order two for a complete set (pair) for bolt head.**HKP-19424$8.99 -
H&K Grip Cap Replacement Spring
H&K Heckler & Koch
$4.95This is the replacement spring that is used on both the US and German made grip caps that can become damaged and broken with use. A great idea to have on hand as the spring will get bent and destroyed with use.We use the grip plug as a plug to keep NFA...HKP-16408$4.95 -
HKP HK MP5/MP5K 4-Piece Set Magazine Release
HKP HK Parts
$49.95HKP HK MP5/MP5K 4-Piece Set Magazine Release Each magazine catch set consists of 4 pieces and is a mixture of German HK and US-made parts. This is the set that provides left-to-right mag release controls. Each set includes: Mag catch Push button for mag...HKP-00912$49.95 -
Magpul M-Lok 5 Slot Rail Section
Magpul
$18.95Designed for use with all M-LOK compatible Hand Guards and Forends, M-LOK Aluminum Rail Sections allow the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights, vertical grips, etc. Machined from milspec-anodized aluminum,...HKP-19568$18.95 -
HKP 90 Series Hammer For Trigger Pack
HKP HK Parts
$96.95HKP 90 Series Hammer For Trigger Pack This US-made hammer is all steel billet, machined, and counts as one US 922r compliant part for your HK clone build. This US-made hammer can be used on all HK SEF, Navy, or 0, 1 style trigger packs in 9mm, 40/10, ...HKP-00377$96.95 -
MI HK MP5-A2 Handguard, M-LOK Compatible
MI Midwest Industries
$138.95MI HK MP5-A2 - M-LOK Handguard **DESIGNED FOR HK MP5-A2, MP5-F, HK SD5, MP5 style variants** Professional grade one piece design Simple installation, includes all tools Extremely lightweight design, weighs only 4.6 oz with hardware Slim 1.6 inch...HKP-19363$138.95 -
H&K Roller Sear For SEF, Navy Trigger Packs
H&K Heckler & Koch
$29.95H&K Roller Sear For SEF & Navy Trigger Packs It is the newer style, not the older friction type of sear. This item is also referred to as the catch with a roller but is more commonly called a sear.HKP-01710$29.95 -
H&K G3,91,PTR, 93,33 & MP5, 94 Hammer Strut
H&K Heckler & Koch
$9.95New HK German Hammer Strut for 90 series rifles and pistols. A perfect spare to have on hand. This is a non-pinned hammer spring shank. Perfect for your HK project or rebuild.Fits any of the following HK trigger packs: SEF 0,1 Safe Semi Navy 0,1,Full...HKP-15445$9.95 -
Out Of Stock
HKP MP5 & MP5K 9mm Extractor - Enhanced
HKP HK Parts
$39.95HK MP5, MP5K 9mm Extractor - USA - Latest Generation Style HKPARTS offers the finest US-made HK 9mm "F" Type Extractor for all HK MP5/94 bolt heads. CNC'ed from a solid billet of an enhanced ordnance grade steel for superior function & durability...HKP-01968$39.95 -
H&K German Roller +2 - Used - 8.02mm
H&K Heckler & Koch
$7.95Used HK standard (8.02 mm) locking roller, The proper roller size is essential for proper bolt gap. HK German Manufacture.Price is per roller.**You need to order two for a complete set (pair) for bolt head.**HKP-19366$7.95 -
H&K Roller Type Trip Lever
H&K Heckler & Koch
$29.95Roller Type Trip Lever for new SEF & Navy Trigger Packs.Genuine German Heckler & KochThis is the newer style trip lever for use with a roller sear catch not the older friction type. May or may not be marked with the X or XX markings as some...HKP-02466$29.95 -
HKP HK G3,91,PTR, 93,33 & MP5, 94 Pinned Hammer Strut
HKP HK Parts
$13.95New USA Hammer Strut for 90 series rifles and pistols. A perfect spare to have on hand. This is a pinned hammer spring shank. Perfect for your HK project or rebuild.Fits any of the following HK trigger packs: SEF 0,1 Safe Semi Navy 0,1,Full Burst...HKP-20315$13.95 -
HKP Roller +5 - New - 8.05mm
HKP HK Parts
$8.99Roller +5 - New - 8.05mmHK Parts Standard (8.05 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture.Price is per roller.**You need to order two for a complete set (pair) for bolt head.**HKP-19440$8.99 -
H&K Full Auto Paddle Magazine Release Bushing HK German - Used
H&K Heckler & Koch
$4.95H&K Full Auto Paddle Magazine Release Bushing HK German - Used This part is for use in all 90-series H&K weapon systems. Used for installing a paddle mag release. Please note: This is not for use on semi-auto HK builds. This part is used for...HKP-02303$4.95 -
H&K Selector Catch Lever Spring For Ambidextrous Trigger Packs
H&K Heckler & Koch
$12.95HK German Ambidextrous Trigger Pack Axle Spring For Catch LeverThis is the spring that powers the ambi lever that allows you to take apart any of the ambidextrous trigger packs. This lever spring takes the spring tension off of the left and right side...HKP-17328$12.95 -
H&K 3 Round Count Burst Wheel for 4 Position Trigger Packs
H&K Heckler & Koch
$127.95H&K 3 Round Count Burst Wheel for 4 Position Trigger PacksHKP-01639$127.95 -
H&K MP5, 94 Cocking Tube Support Spring
H&K Heckler & Koch
$6.95H&K MP5, 94 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 the detent to lock into position when the...HKP-01104$6.95 -
H&K Standard Roller 8.00mm - Used
H&K Heckler & Koch
$7.958.00mm Standard Size (zero or unmarked) For HK Roller Lock Bolt HeadHK spec new unmarked 8.00mm roller that will fit all HK bolt heads including HK91/G3, HK93/33/53, HK94, MP5, SP89 all clones and the Cetme & Cetme clones. An easy way to remember...HKP-19374$7.95 -
H&K Elbow Spring Spacer For Full-Auto
H&K Heckler & Koch
$5.95HK German spacer to be used with full auto elbow spring with roller-used.HKP-03330$5.95 -
Out Of Stock
H&K Burst Trigger Pack Compression Rod Spring
H&K Heckler & Koch
$0.00Burst Pack Compression Spring For Compression Rod Found In All HK Burst Trigger Packs. This Part Along With The Compression Rod. Are The Number One Most Common Wear Or Breakage Parts In HK Burst Packs. Great Spare To Have On Hand If You Own Any HK Burst...HKP-16199$0.00 -
HKP MP5 40/10 30 Round Magazine Spring
HKP HK Parts
$4.95New US Made HK MP5 40/10 magazine spring for the 30 round magazine.HKP-16509$4.95 -
Magpul M-Lok 9 Slot Rail Section
Magpul
$22.95Designed for use with all M-LOK compatible Hand Guards and Forends, M-LOK Aluminum Rail Sections allow the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights, vertical grips, etc. Machined from milspec-anodized aluminum,...HKP-19570$22.95 -
H&K Magazine Release Set
H&K Heckler & Koch
$184.95Complete magazine paddle mag release kit that includes both the paddle mag release & standard left to right mag release on your HK 9mm rifle or pistol build. All mag release parts are new HK German factory fresh latest production and the new F style...HKP-02402$184.95 -
MP5, HK94, MP5K, SP89 & SP5K - Tac Latch
$69.95New Taclatch (latest Generation) Paddle style magazine release for the HK94, SP89 & SP5K family of firearms. If you own a Heckler and Koch rifle, true clone or CETME then you might be missing a well deserved feature. HK's were originally...HKP-02792$69.95 -
RCM MP5K/SP89/SP5K 9mm RS Trunion
RCM
$74.95MP5K Reverse Stretch- Trunion US-made to exact factory HK specifications for the HK MP5K, SP89 9mm builds. There is a difference between the MP5K and the MP5 trunion. This offering is the correct trunion for the MP5K and all MP5K PDW Variants. Including...HKP-02242$74.95 -
HKP MP5K 9mm Trunion
HKP HK Parts
$57.95HK MP5K Trunion - 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 trunions on the market. Machined to HK spec making...HKP-17964$57.95 -
Out Of Stock
H&K -6 Roller For Bolt Head 7.94mm - Under-sized
H&K Heckler & Koch
$0.00H&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. Each roller is sold individually. Order two if you need a pair.HKP-00342$0.00 -
H&K Ambidextrous Sling Pin Locking Knob
H&K Heckler & Koch
$11.95New HK German Ambidextrous Sling Pin Locking Knob These are common replacement items, they can become loose as the O-ring wears and falls off. Be sure to order extra O-rings to avoid losing the locking nut. This is a common replacement part for those...HKP-01042$11.95 -
Out Of Stock
H&K Hammer Spring For HK Burst Trigger Pack
H&K Heckler & Koch
$0.00H&K Hammer Spring For HK Burst Trigger Pack The HK German factory intermediate poundage "satin" gray hammer spring is found in all 9mm, 40/10, and .556/223 burst trigger packs and is proven to be the most reliable and longest-lasting spring for burst...HKP-01111$0.00 -
H&K SP5K, MP5K Reverse Stretch Cocking Tube Support Spring
H&K Heckler & Koch
$6.95Fits all German, Contract & US Made MP5K, SP5K & R.S. Cocking Tube Supports. 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...HKP-17873$6.95 -
H&K Trip Lever - Friction
H&K Heckler & Koch
$24.95HK German trip lever for HK F/A or registered sear trigger packs. This is the older friction style trigger pack found on older HK trigger packs and all HK registered sear packs.HKP-02393$24.95 -
H&K Grip Screw
H&K Heckler & Koch
$8.95H&K Grip Screw It is a new HK German part that is now out of production. Great to have as a spare. Compatible with: HK91 HK93 HK94 SP89HKP-01725$8.95 -
H&K Trigger Spring For Burst Trigger Packs
H&K Heckler & Koch
$8.95Burst Pack Trigger Spring - HK German New HK German trigger return spring used on all HK 90 series burst trigger packs. MP5, HK53, G3 burst, 2 or 3 round burst trigger packs.HKP-01450$8.95 -
Strike Industries M-LOK Bikini Hand Stop
Strike Industries
$13.95Bikini Hand Stop (2-pack) Strike IndustriesThe Strike Industries Bikini Hand Stop (BHS) gives the shooter increased ergonomics and control of the weapon. The hand stop is made from durable and lightweight polymer compatible with M-LOK rails. The BHS is...HKP-20057$13.95