HK MP5/SP5 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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H&K Hammer Spring For HK Burst Trigger Pack
H&K Heckler & Koch
$19.95H&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$19.95 -
HKP (9mm & 5.56/.223) Thread Protector For Barrels - Threaded 1/2x28
HKP HK Parts
$14.95HKP (9mm & 5.56/.223) Thread Protector For Barrels - Threaded 1/2x28 A must-have accessory to safeguard the threads on your threaded barrel, this thread protector is the finest available. It is the standard thread protector included with all HKPARTS...HKP-02646$14.95 -
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 MP5 9mm Flash Hider - 3-Lug
H&K Heckler & Koch
$164.95H&K MP5 9mm Flash Hider - 3-Lug This part attaches to the end of any factory specification 9mm 3-lugged barrel. This flash hider does not require the use of threads as it attaches to the 3-lug tip, this is also a great addition for any of the 3-lug...HKP-00082$164.95 -
HKP HK G3,91,PTR, 93,33 & MP5, 94 Pinned Hammer Strut
HKP HK Parts
$13.95HKP HK G3,91,PTR, 93,33 & MP5, 94 Pinned Hammer Strut New 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. Compatible With: HK trigger...HKP-20315$13.95 -
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 -
HKP 9mm Birdcage Style Flash Hider - Threaded 1/2x28
HKP HK Parts
$24.95HKP 9mm Birdcage Style Flash Hider - Threaded 1/2x28 Compatible with all 1/2x28 barrels up to 9mm in caliber for the opening of the hole diameter. Perfect for that HK build or other style firearm where you want the look and feel of the iconic HK...HKP-17627$24.95 -
H&K MP5 & MP5K 9mm Anti-Rattle Roller Tipped "Paddle" Magazine Release
H&K Heckler & Koch
$64.95German HK MP5, MP5K Anti-Rattle Roller Tipped "Paddle" Magazine Release Factory German Paddle mag release for all 9mm MP5, MP5K HK builds. Our parts are made by HK in Germany and are factory-fresh production. Compatible With: MP5, 94, HK SP5 MP5K, SP89,...HKP-00117$64.95 -
HKP 9mm A2 Style Flash Hider - 3-Lug
HKP HK Parts
$99.95HKP 9mm A2 Style Flash Hider - 3-Lug Easily attaches to the end of any factory specification 9mm 3 lugged barrel. This flash hider does not require the of threads as it attached to the 3 lug tip. Also a great addition for any of 3 lug barrels found on in...HKP-19520$99.95 -
HKP/H&K SP5/K 9mm Thread Protector - Threaded 1/2x28
HKP HK Parts
$19.95HKP/H&K SP5/K 9mm Thread Protector - Threaded 1/2x28 An essential replacement thread protector for lost or damaged thread protectors & caps. This part is compatible with all factory specification SP5 barrels. Specifications: Made In The...HKP-21375$19.95 -
H&K Selector Catch Lever Spring For Ambidextrous Trigger Packs
H&K Heckler & Koch
$12.95HK German Ambidextrous Trigger Pack Axle Spring For Catch Lever This 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 -
MP5, HK94, MP5K, SP89 & SP5K - Tac Latch
$69.95New Tac Latch (latest Generation) Paddle Style Magazine Release For The HK94, SP89 & SP5K Family Of Firearms HK's were designed to have a quick one-handed release capability for the magazine (paddle mag release). However, the semi-auto...HKP-02792$69.95 -
HKP MP5 40/10 30 Round Magazine Spring
HKP HK Parts
$4.95HKP MP5 40/10 30 Round Magazine SpringHKP-16509$4.95 -
Sale
HKP/H&K VP9 Tactical 9mm Micro Comp - Threaded 1/2x28
HKP HK Parts
Now: $39.95Was: $49.95HKP/H&K VP9 Tactical 9mm Micro Comp - Threaded 1/2x28 Enhance your HK P30, P30L, VP9 or VP9 Tactical 9mm with this precision-engineered Micro Compensator. Threaded 1/2x28, this micro comp is designed to reduce recoil and muzzle rise,...HKP-18029Now: $39.95Was: $49.95 -
H&K 90 Series Hammer - MP5/G3/93/53/33 - German - Used
H&K Heckler & Koch
$29.95Hammer, Full Auto HK 90 Series Trigger Packs - German HK - Used German HK Hammer- used, surplus in VG-EXC shape and in perfect working order. This hammer is the hammer that is most commonly used in semi auto trigger packs as the secondary sear catch is...HKP-21442$29.95 -
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 -
MP5, MP5K 9mm Contact Piece For Paddle Mag Release - German
H&K Heckler & Koch
$39.95MP5, 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 -
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 Trip Lever - Friction
H&K Heckler & Koch
$24.95H&K Trip Lever - Friction This is the older friction-style trigger pack found on older HK trigger packs and all HK registered sear packs.HKP-02393$24.95 -
HKP Roller +5 - New - 8.05mm
HKP HK Parts
$8.99Roller +5 - New - 8.05mm HK 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 MP5F, MP5 40,10 Factory Recoil Spring
H&K Heckler & Koch
$14.95HK German MP5 F 9mm & MP5 40/10 Recoil Spring - New Updated Version New latest HK German manufacture MP5 40/10 replacement recoil spring. Hard to find and a high wear and replacement item. Each spring replaces the MP5F recoil spring for the MP5 9mm...HKP-01061$14.95 -
H&K Burst Eccentric Bushing
H&K Heckler & Koch
$54.95HK Burst Eccentric Bushing HK German factory part is found in all HK burst trigger packs. This part is in between the hammer shank hole and the inside of the trigger box hammer axle spacer. This part is one of the most common wear...HKP-02647$54.95 -
HKP Registered Sear Pack - Retimed Hammer
HKP HK Parts
$198.95HKP Registered Sear Pack - Retimed Hammer - USA This part is the necessary addition for all registered sear conversions in 9mm, 40/10, 223, and.308 trigger packs. Protect your valuable investment by using the proper re-timed hammer for your sear pack...HKP-00153$198.95 -
H&K Cocking Tube End Cap Spring
H&K Heckler & Koch
$4.95H&K Cocking Tube End Cap Spring Fits all German, Contract & US made cocking tube end caps. A great spare to have on hand as this part can become worn and be lost. The cocking tube end cap spring applies pressure to the cocking tube end cap/dust...HKP-17980$4.95 -
H&K 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 -
HKP HK MP5, SP5 20 Round Magazine Spring
HKP HK Parts
$6.9520 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 -
HKP MP5 40/10 Magazine Follower
HKP HK Parts
$9.95HKP MP5 40/10 Magazine Follower A perfect replacement part for all HK MP5 40/10 magazines. Also counts as one 922r compliant part.HKP-16506$9.95 -
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 -
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 -
H&K Selector Catch Lever for HK Ambidextrous Trigger Packs
H&K Heckler & Koch
$39.95HK German Ambidextrous Trigger Pack Axle Catch Lever This is the lever that allows you to take apart any of the ambidextrous trigger packs. This lever takes the spring tension off the left and right side selector levers, allowing you to remove and...HKP-01636$39.95 -
Friction Sear-USED For SEF, Navy Trigger Packs
H&K Heckler & Koch
$4.49Friction Sear-USED For SEF, Navy Trigger Packs Used in excellent condition, HK German Friction Sear for SEF & Navy trigger packs. This item is also referred to as the catch with roller but more commonly called a sear.HKP-16197$4.49 -
H&K Semi Trigger Pack Or Sear Pack Elbow Spring W/ Roller
H&K Heckler & Koch
$29.95H&K Semi Trigger Pack Or Sear Pack Elbow Spring W/ Roller Each spring is a great replacement for the converted packs that have bent elbow springs or for those that used the original F/A elbow springs that were bent to shape and are prone to breakage.HKP-00070$29.95 -
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 90 Series Burst Trigger Pack Compression Rod
H&K Heckler & Koch
$29.95H&K 90 Series Burst Trigger Pack Compression Rod This is an HK German factory part that is found in all HK burst trigger packs. This part, along with the compression rod spring, is the number one most common wear or breakage parts in burst packs...HKP-01047$29.95 -
H&K Catch Lever Axle For Ambidextrous Trigger Packs
H&K Heckler & Koch
$5.95H&K Catch Lever Axle For Ambidextrous Trigger Packs This is the axle that is found in all ambidextrous trigger packs for the 90 series that retains the catch lever assembly.HKP-01552$5.95 -
Out Of Stock
H&K MP5/94 9mm Recoil Rod & Spring Assembly Complete-Used
H&K Heckler & Koch
$35.95HK MP5 & HK94 9mm Recoil Rod & Spring Assembly Complete - UsedHKP-00667$35.95 -
HKP Elbow Spring Spacer For Semi-Auto
HKP HK Parts
$8.95HKP Elbow Spring Spacer For Semi-Auto New USA manufacture. Semi auto spacer for elbow spring on the HK 90 series trigger packs. Micro polished and made from stainless steel. This is the finest semi auto bushing/spacer available on the market.HKP-18210$8.95 -
H&K MP5 40/10 Bolt Hold Torsion Spring
H&K Heckler & Koch
$19.95MP5 40, 10 Bolt Hold Torsion Spring This is the factory spring used to activate the bolt hold-open lever. Great spare and needed part to have on hand.HKP-00455$19.95 -
POF MP5, HK94, MP5K, SP89 & SP5K Firing Pin
POF
$24.95HK Contract MP5, HK94 Firing Pin - POF Made from HK prints and tooling in the POF factory. The USA and German HK offering are a better offering with tighter tolerances and better materials. Compatible With: MP5 HK94 MP5K SP89 SP5K All 9mm, 40/10mm...HKP-18264$24.95 -
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