Small Parts

Factory German HK P9 & P9S Recoil Spring It is no longer supported or available from HK Germany. The P9 and P9S have been out of production for many years. Get a spare while we still have them in stock. Compatible with: HK P9 pistols in 9mm and ...

Fits 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...

HK UMP & USC Magazine Release Spring HK German factory mag release spring for all USC and UMP mag releases.  Compatible with:  USC lowers UMP lowers

H&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 SP89

HK Slide Detent Compression Spring For All HK USP & HK45, HK45C Models The detent spring is needed for positive de-cocking and safety functions of the detent plate. A spare and replacement part as it is prone to breakage and wear. This is also one of...

Burst 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. 

Tactical Handguard Clevis/Hangar Screw. Replacement screw for the "U" shaped hangar on the tactical handguard. There are a total of 3 screws used, they are all the same for the MP5k, MP5, HK93 & HK91 tactical handguards. Great spare to have on hand...

New HK German 93/33/53 .223/5.56 Firing Pin Spring. A must-have spare part as this is a high wear and replacement item.  Compatible with: HK93 HK33 HK53 V93/V53, C93, C53 Custom builds and clones

HK MR556 Factory Handguard Rail Screw Your For HKMR556 Or HK416 Forearm. This Can Also Be Used To Replace The Rail Screw On The HK MR556 As Well. This Is The Hex Head Version For Any Metric Allen Hex Head Can Be Utilized To Tighten And Release The Screw...

H&K HK MR556/HK416 FFRS Retaining Spring The retainer spring retains the hanguard locking pin on the Free Floating Rail System (FFRS). These can easily become damaged with removal of the handguard screws. Once the spring is damaged they have to be...

H&K HK USP/45/45C Trigger Bar Detent Spring This is a common replacement part as it can become worn or lost.  Compatible with the newer style HK45 & HK45C models: HK45, HK45 Tactical HK45C, HK45C Tactical Compatible with the HK USP...

HK USP Compact 9mm Recoil Spring With Buffer Assembly Complete Great spare or replacement item to have as a spare. This is the new factory part for all HK USP9C Pistols. 

This is the screw that is used on all the Tactical, Keymod, and M-Lok forearms(MP5K, MP5, HK93, HK91). A great spare to have in case the original screw gets lost.

Uzi .22LR 20 round magazine spring for the Uzi, Walther, Umarex .22 pistol. A good supply of spare mag springs is a must. These are ideal to have on hand as the spring can become damaged or worn out. New fresh production mag spring for your Umarex Uzi...

HK G36, SL8 Push Pin For Forearm, Magwell & Lower Each push pin/locking pin retains the forearm, magwell & lower to the upper receiver. Each G36 style firearm uses a total of 3X of these push pins. Fits all of the following parts:1 X forearm1 X...

HK MR556 & HK 416 Selector Detent SpringHK German manufacture. Fits all: HK MR556 HK416 AR15, M4 & M16

H&K HK P7 Series Piston Plunger, Detent Spring   Compatible with: PSP P7M8 P7M10 P7M13

Recoil Spring Assembly Complete With Captive Spring, Buffer, & Guide Rod A must-have spare part for your HK compact .45 pistol. New HK German factory fresh manufacture. Compatible with: HK USP Compact 45 HK USPC Tactical HK45 Compact HK45C Tactical

UMP, USC, SL8, & G36 Ambidextrous Sling Loop Or Eyebolt For Sling - German HK The addition of the HK eyelet creates a sling attachment point that will enable you to mount a sling using any of the hard mounting points located on the forearm of the...

HK MP5K rear stock push pin weldment setThis 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. MP5K,...

HK German Mark 23 Magazine Spring - 12 Round A must have repair and replacement spring for your HK Mark 23 Socom Mags. Compatible with: HK Mark 23 12 round magazines  

HK German factory HK 93, 33 & 33K Replacement Recoil Spring Compatible with: HK 93 HK33 HK33K Clones or other custom builds

HK P7 M8, M13 Piston Retaining Roll Pin

HK UMP .40 Magazine Spring Magazine Spring For HK UMP 30 Round .40 Cal Magazine. Perfect for spares and to have on hand as these are consumable high wear item. HK UMP .40 30 round mag

Stock Block B Sling Pin With Thumb Screw. The original thumb screw version for all stock block B's.

  HK G36 & SL8 Series Of Ejector Spring. Great Item To Have On Hand As This Is Prone To Wear And Breakage - US

GSG/Sig Sauer/Kimber Magazine Spring German made spare magazine spring for your 10 round 1911 magazine. Each spring will fit all GSG5 1911, SIG, Kimber and many others that use this style of magazine for the 1911 .22 conversions. Stock up on this wear...

H&K 14.5 X 1 .40 S&W Tactical Thread Protector - Black Fits all HK barrels that are threaded 14.5 X 1 mm. This is the correct thread protector for all the HK .40 cal metric threaded barrels. This will also fit non-HK-related barrels as well that...

HK45 Trigger Rebound Spring This part is also known as the trigger return spring. Compatible with: HK45 HK Tactical HK45 Compact HK45 Compact Tactical

HK Slide Release Spring This is a high-wear item, as it cannot be reused once damaged or removed. It must be replaced with a new spring. Compatible with: HK USP 9mm, .40 & .45 HK USP Compact 9mm, .40 & .45 HK USP Tactical, Elite & Expert...

HK P30/P2000 Trigger Bar Detent Spring Compatible with these models in 9mm, .40 S&W, and .357 SIG: HK P30 HK P30L HK P30SK HK P2000 HK P2000SK

H&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.

HK 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...

HK SL8 Dual and Single Adjusting Optic Screw

HK P30SK 9mm Complete Recoil Spring Guide Rod AssemblyFits P30SK 9mm pistols. Brand new HK German manufacture. P30SK 9mm

HK 93, 33, 53 Magazine Replacement Spring For 25-Round Magazines Hard to find and a must-have spare for your HK mags. No longer in production.

G36 & HK SL8 German Extractor For Bolt Head New HK German. This is a great item to keep as a spare. Compatible with: All G36 Variants SL8-1, SL8-6

HK Mark 23 Complete Rod Assembly w/ Recoil Spring This part is ideal to keep as a spare as this is a common repair and replacement item.

HK416 & HK417, MR556, MR762 Disconnector Spring- ShortNew HK German MR556, HK 416 & MR762, HK 417 Disconnector spring. This is the shorter spring of the 2 found in the trigger assembly. MR556 MR762 HK 416 HK 417

This replacement screw is to mount your AR-15/AR-10 pistol grip screw. 1/4 x 28 x 1 with a star lock washer. The best option to use for new builds or to replace your worn out or stripped screw. The best replacement screw to replace that frustrating OEM...