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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HKP/H&K MP5/MP5K 9mm Muzzle Brake - 3-Lug
HKP HK Parts
$109.95HKP/H&K MP5/MP5K 9mm Muzzle Brake - 3-Lug Easily attaches to the end of any factory specification 9mm 3 lugged barrel. This muzzle brake doesn't require the of threads as it attached to the 3 lug tip. Also a great addition for any of 3 lug barrels...HKP-20323$109.95 -
HKP MP5, MP5K, 94 & SP89 Firing Pin-Titanium
HKP HK Parts
$49.95HKP MP5, MP5K, 94 & SP89 Firing Pin-Titanium Grade 6 Titanium firing pin. Each was made using the factory HK specifications from original HK German blueprints. This is the finest US made Titanium firing pin available anywhere, at any price. Built to...HKP-17601$49.95 -
HKP Roller +3 - New - 8.03mm
H&K Heckler & Koch
$8.99Roller +3 - New - 8.03mm HK 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 -
HKP/H&K MP5 9mm Flash Hider - 3-Lug
HKP HK Parts
$99.95HKP/H&K MP5 9mm 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...HKP-17228$99.95 -
Magpul M-Lok 5 Slot Rail Section
Magpul
$18.95Magpul M-LOK 5 Slot Rail Section Designed 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...HKP-19568$18.95 -
H&K HK MP5, MP5K Spare Parts Kit
H&K Heckler & Koch
$239.95H&K HK MP5, MP5K Spare Parts Kit HK MP5, HK SP5, HK94 & MP5K, SP89, SP5K Spare parts kits for the most commonly worn parts needed to keep your precious MP5/MP5K going. This offering also includes a pouch to safely store all your replacement parts...HKP-20619$239.95 -
H&K Grip Screw & Washer
H&K Heckler & Koch
$1.49H&K Grip Screw & Washer This is a surplus factory HK German part that is now out of production. Great to have as a spare and the cheapest price on the planet. Compatible With: G3 HK91 HK93 HK94 SP89 Other HK metal framed lowers with plastic...HKP-16335$1.49 -
H&K Ambidextrous Sling Pin For Forearm - Small
H&K Heckler & Koch
$66.95HK German Ambidextrous Small Sling Pin For Forearm This ambidextrous pin will allow the user to attach a sling hook to the sling pin. This will also allow the user to use the sling on either the left or right side.HKP-00077$66.95 -
H&K Magazine Catch - MP5, MP5K - Latest Style
H&K Heckler & Koch
$64.95H&K Magazine Catch - Latest Style Genuine HK mag release for factory and clone firearms. This component often resolves issues with mags not locking into position on HK clones and builds. Constructed from a single piece of steel unlike the...HKP-00911$64.95 -
Kaw Valley Precision Suppressor Adapter - Threaded 1/2x28 RH - 3-Lug
Kaw Valley Precision
$36.95Kaw Valley Precision 9mm 3-Lug Suppressor Adapter - Threaded 1/2x28 RH The KVP 3-Lug Adapters are precision engineered to replicate the popular HK pattern 3-Lug interface. Crafted with meticulous attention to concentricity, these adapters ensure...HKP-19987$36.95 -
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 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 -
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 -
HKP Semi Auto Shelf, Hanger Block For Receiver
HKP HK Parts
$13.95HK Semi Auto Shelf Weldment, Hanger Block Weldment HK Semi Auto Shelf, Hanger Block to HK's factory specifications for c/p trigger housings. Weld on shelf that is the needed receiver block that welds to the rearward portion of the magwell to allow the...HKP-17572$13.95 -
HKP Roller +7 - New - 8.07mm
HKP HK Parts
$8.99Roller +7 - New - 8.07mm HK 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 -
HKP 9mm Flash Hider - 3-Lug
HKP HK Parts
$99.95HKP 9mm 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 spec...HKP-20170$99.95 -
HKP SP5K 9mm Drop In Paddle Mag Release Upgrade Kit
HKP HK Parts
$74.95HK SP5K Anti-Rattle Roller Tipped "Paddle" Magazine Release Install Kit No modifications, no refinishing...complete drop-in kit included. New USA made busing for a drop-in install kit for the HK SP5K. This kit will allow any end-user to quickly,...HKP-18192$74.95 -
HKP MP5 9mm Muzzle Brake - 3 Lug
HKP HK Parts
$104.95HKP MP5 9mm Muzzle Brake - 3 Lug Easily attaches to the end of any factory German specification 9mm 3 lugged barrel. This muzzle brake doesn't require the of threads as it attached to the 3 lug tip. Also a great addition for any of 3 lug barrels found on...HKP-18795$104.95 -
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 -
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 -
H&K German Recoil Guide Rod Rivet-Used
H&K Heckler & Koch
$0.48H&K German Recoil Guide Rod Rivet-Used This rivet holds the stop pin and recoil spring captive and in place to the recoil rod itself. Compatible With: G3, 91, 33, 93, 53 MP5, 94 MP5K SP89 HK21 variantsHKP-16985$0.48 -
H&K German Roller +2 - Used - 8.02mm
H&K Heckler & Koch
$7.95H&K German Roller +2 - Used - 8.02mm Used 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 -
HKP/H&K SP5/K 9mm Knurled Micro Comp - Threaded 1/2x28
HKP HK Parts
$26.95HKP/H&K SP5/K 9mm Knurled Micro Comp - Threaded 1/2x28 Our new SP5 micro comp has the apearance of a standard factory style thread protector but now extended and slotted to provide a micro comp feature. The added slots help mitigate gasses allowing...HKP-21374$26.95 -
H&K Friction Sear For SEF, Navy Trigger Packs
H&K Heckler & Koch
$8.95H&K Friction Sear For SEF, Navy Trigger Packs New 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-16198$8.95 -
H&K Burst Trigger Pack Compression Rod Spring
H&K Heckler & Koch
$10.95H&K Burst Trigger Pack Compression Rod Spring Burst pack compression spring for compression rod found in all HK Burst Trigger Packs. This part, along with the compression rod, is the number one most common wear or breakage parts in HK Burst Packs...HKP-16199$10.95 -
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 -
HKP Semi Auto Shelf for Receiver - Billeted
HKP HK Parts
$17.95HKP Semi Auto Shelf for Receiver - Billeted HK Semi Auto Shelf, Hanger Block to HK's factory specifications for c/p trigger housings. Weld on shelf that is the needed receiver block that welds to the rearward portion of the magwell to allow the use of...HKP-21470$17.95 -
H&K Grip Cap Replacement Spring
H&K Heckler & Koch
$4.95H&K Grip Cap Replacement Spring This 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...HKP-16408$4.95 -
H&K Elbow Spring Spacer For Full-Auto
H&K Heckler & Koch
$5.95H&K Elbow Spring Spacer For Full-Auto - UsedHKP-03330$5.95 -
H&K G3,91,PTR, 93,33 & MP5, 94 Hammer Strut
H&K Heckler & Koch
$9.95H&K G3,91,PTR, 93,33 & MP5, 94 Hammer Strut New 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. Compatible With: The...HKP-15445$9.95 -
HKP 9mm Knurled Micro Comp - Threaded 1/2x28
HKP HK Parts
$29.95HKP 9mm Knurled Micro Comp - Threaded 1/2x28 The HK Parts Micro Comp & Thread Protector is a sleek, functional solution for enhancing your 9mm pistol's performance. Designed to be lightweight and efficient, this micro compensator easily attaches to...HKP-21124$29.95 -
H&K SP5K 9mm Drop In Paddle Mag Release Upgrade Kit
H&K Heckler & Koch
$129.95German HK SP5K Anti-Rattle Roller Tipped Paddle Magazine Release Kit No modifications, no refinishing...complete drop-in kit included New HK German & USA made paddle mag release kit for the HK SP5K. This kit will allow any end-user to quickly...HKP-18082$129.95 -
HKP/HK 9mm Enhanced Thread Protector - Threaded 1/2x28
HKP HK Parts
$19.95HKP/HK 9mm Enhanced Thread Protector - Threaded 1/2x28 This enhanced thread protector is crafted from stainless steel and designed for 1/2x28 threaded barrels. Its unique design not only fits over and protects the crown of your barrel but also...HKP-17977$19.95 -
HKP Rear Sight Retainer or Clamping Screw
H&K Heckler & Koch
$4.95HK German Rear Sight Retainer / Clamping ScrewHKP-00868$4.95 -
HKP Roller +1 - New - 8.01mm
H&K Heckler & Koch
$8.99Roller +1 - New - 8.01mm HK 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 -
HKP/H&K MP5/K Knurled Micro Comp - Threaded 1/2x28 RH
HKP HK Parts
$26.95HKP/H&K MP5/K Knurled Micro Comp - Threaded 1/2x28 RH Our new MP5 Micro Comp combines the classic appearance of a factory-style thread protector with enhanced functionality. Extended and slotted, this micro compensator not only preserves the factory...HKP-21176$26.95 -
H&K Standard Roller 8.00mm - Used
H&K Heckler & Koch
$7.958.00mm Standard Size (zero or unmarked) For HK Roller Lock Bolt Head HK 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 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 -
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 / HKP HK SP5 Replacement Parts Kit
HK Parts, Heckler & Koch
$229.95H&K / HKP HK SP5 Replacement Parts Kit This kit has the the most commonly worn parts needed to keep your precious MP5/MP5K going. Our German and U.S. spare parts kit has everything you will need to keep feeding rounds down range. Our spare parts kit...HKP-20919$229.95