All Parts
At HK PARTS, we bring you a wide array of high-quality H&K accessories and components for your favorite firearms. Whether you're upgrading your H&K pistol or rifle, or even looking for parts kits, we've got you covered. Discover a range of top-rated components for popular models like VP9, USP, P30, MP5, MP5K, G36, HK416, and more. From triggers, barrels, and grips to magazines, stocks, and sights, we have it all. Enhance your firearm's performance and functionality with our premium components.
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Out Of Stock
H&K 11E (7.62x51/.308) Bolt Carrier
H&K Heckler & Koch
$899.95HK 11E bolt carrier HK21E to HK11E bolt carrier used to convert an HK21E to an HK11E to accept HK91/G3 style magazines. This is the HK11E bolt carrier only. Includes: HK 11E Bolt Carrier Last units no longer made- these were the LAST units HK Germany...HKP-16492$899.95 -
Out Of Stock
H&K 11E (7.62x51/.308) Bolt Group Complete
H&K Heckler & Koch
$0.00HK11E Bolt Group Complete This is the complete bolt group for an HK German HK11E. Now out of production and rare. Includes the following: HK11E bolt carrier complete HK11E bolt head complete HK11E firing pin HK11E firing pin spring HK11E locking piece...HKP-00585$0.00 -
Out Of Stock
H&K 11E Magazine Exchange Kit
H&K Heckler & Koch
$0.00HK 11E Magazine Exchange Kit- AS SHOWN HK21E to HK11E conversion kit to convert an HK21E to an HK11E to accept HK91/G3 style magazines. Converts from belt fed to a magazine fed on one platform of firearm. Includes: HK 11E Bolt Carrier Group Complete (no...HKP-02112$0.00 -
H&K 12 Round HK USP .45 ACP Magazine Housing - Black
H&K Heckler & Koch
$49.95H&K 12 Round HK USP .45 ACP Magazine Housing - Black New HK German USP 45 12 Round Magazine Housing. Compatible With: HK USP .45 Full-Size pistols HK USP .45 Tactical Please note: may or may not have the LE/military markings.HKP-16542$49.95 -
Out Of Stock
H&K 12 Round HK USP/Mark 23 .45 ACP Magazine Body - Black
H&K Heckler & Koch
$0.00H&K 12 Round HK USP/Mark 23 .45 ACP Magazine Body - Black New HK German 12 round all steel magazine housing. Compatible With: HK USP .45 HK Mark 23HKP-16646$0.00 -
Out Of Stock
H&K 21 (7.62x51/.308) Bolt Head Complete
H&K Heckler & Koch
$0.00HK21 Bolt Head Complete New HK contract FMP HK21 production bolt head complete. HK21 parts are no longer in production making these new parts exceptionally rare. All are date coded 1985 last year they were in production. HK21 Bolt Head Complete: Bolt...HKP-01741$0.00 -
Out Of Stock
H&K 21 (7.62x51/.308) Firing Pin
H&K Heckler & Koch
$0.00HK German 21 Firing Pin - Old StockHKP-00546$0.00 -
Out Of Stock
H&K 21 3 Position Trigger Housing - RARE
H&K Heckler & Koch
$0.00H&K 21 3 Position Trigger Housing - RARE This rare 3 position trigger housing features Mexico markings and is designed specifically for the HK21. It is a unique find, never before offered, and has never been available with this...HKP-19394$0.00 -
Out Of Stock
H&K 21/21E/23E/PSG1/MSG90 German Firing Pin Spring
H&K Heckler & Koch
$0.00HK German HK21E, HK23E Firing Pin Spring A must-have spare and replacement part. No longer in production. Compatible With: HK21E HK23E HK11E HK13 E HK21 HK MSG90 HK PSG1HKP-00816$0.00 -
H&K 21E (7.62x51/.308) Cartridge Guide
H&K Heckler & Koch
$999.95HK German 21E Cartridge Guide Complete Brand new HK German .308 HK21E cartridge guide for Feedmech.HKP-02431$999.95 -
Out Of Stock
H&K 21E (7.62x51/.308) Feed Mechanism - Incomplete
H&K Heckler & Koch
$0.00HK21E Partial Feed Mechanism. Comes complete minus the top shelf & pin as shown. New HK date coded complete & German. We have been told these are the last units available.HKP-01019$0.00 -
H&K 21E (7.62x51/.308) Feed Mechanism Roller Axle
H&K Heckler & Koch
$64.95HK 21E & 23E Series Feed Mechanism Roller AxleHKP-02062$64.95 -
H&K 21E/11E (7.62x51/.308) Extractor Spring
H&K Heckler & Koch
$24.95HK21E & 11E Factory Extractor Spring Made by HK Germany for all HK21E's and 11E's.HKP-00815$24.95 -
Out Of Stock
H&K 21E/23E (7.62x51/.308) & (5.56/.223) Barrel Case w/ Sling - 18 inch Barrels
H&K Heckler & Koch
$0.00HK German 21/23 Barrel Carrying Case W/ Sling (All Steel Heavy Duty) For All HK21/23 17.75 (18&) Inch Barrels. Rare and now out of production.HKP-00586$0.00 -
Out Of Stock
H&K 21E/23E (7.62x51/.308) & (5.56/.223) Barrel Case With Sling - 22 inch
H&K Heckler & Koch
$0.00HK German 21/23E Barrel Case With Sling (All Steel Heavy Duty) For All HK21/23E - 22 Inch BarrelsHKP-01151$0.00 -
Out Of Stock
H&K 21E/23E (7.62x51/.308) & (5.56/.223) Bipod
H&K Heckler & Koch
$0.00HK 21 Bipod NEW HK German- NEW HK German HK21 old style bipod. Fits all HK21, 11,13 and HK21/23E's. No longer in production these are the last units HK made and will have available. Last call.HKP-00565$0.00 -
Out Of Stock
H&K 21E/23E (7.62x51/.308) & (5.56/.223) Extractor Cylindrical Pin
H&K Heckler & Koch
$0.00HK 21E, HK 23E Extractor Cylindrical Pin This part holds the extractor in place on the bolt head. A great spare to have on hand.HKP-00863$0.00 -
Out Of Stock
H&K 21E/23E (7.62x51/.308) & (5.56/.223) Factory Brass Catcher
H&K Heckler & Koch
$0.00HK21E & HK23E Factory Brass Catcher- New HK German HK21E and HK23E brass catcher with quick release system for taking the unit on and off in a snap. Compatible With: HK23E HK21E MM23E & MM21E modelsHKP-00814$0.00 -
Out Of Stock
H&K 21E/23E (7.62x51/.308) & (5.56/.223) Factory Ejector Lever
H&K Heckler & Koch
$0.00New HK21E, HK23E Factory German HK Ejector Lever Perfect for spare parts and for upgrading the MM guns and other clones with the factory HK ejector lever. Compatible With: HK 21E HK 23E HK 11E HK 13E MM23E, MM21EHKP-01234$0.00 -
Out Of Stock
H&K 21E/23E (7.62x51/.308) & (5.56/.223) Forward Assist
H&K Heckler & Koch
$0.00HK21E & HK23E Forward Assist Compatible With: HK 21 HK 21E HK 23E HK 11 HK 13HKP-00247$0.00 -
Out Of Stock
H&K 21E/23E (7.62x51/.308) & (5.56/.223) Latest Production Bipod
H&K Heckler & Koch
$0.00New HK German 21/23E Latest Production Bipod No longer in production or available. Compatible With: Older HK21's MM23 MM11 MM13 as well as other HK21-type buildsHKP-00563$0.00 -
H&K 21E/23E (7.62x51/.308) & (5.56/.223) Steel Recoil Rod Guide Ring
H&K Heckler & Koch
$19.95HK 21E & HK 23E Recoil Rod All Steel Guide RingHKP-02063$19.95 -
Out Of Stock
H&K 21E/23E(7.62x51/.308) & (5.56/.223) Backplate
H&K Heckler & Koch
$0.00HK Stock Back Plate for .308 rifles These HK21e back plates are no longer in production and continually more difficult to find in new condition.HKP-00241$0.00 -
Out Of Stock
H&K 21E/PSG1/MSG90 (7.62x51/.308) & (5.56/.223) Factory Extractor
H&K Heckler & Koch
$0.00HK21E, 11E, PSG1, MSG90 Factory German HK ExtractorHKP-00250$0.00 -
Out Of Stock
H&K 23E (5.56/.223) Factory Extractor Spring
H&K Heckler & Koch
$0.00HK23E Factory German Extractor Spring Rare and hard to find. This is a new HK German part.HKP-00819$0.00 -
Out Of Stock
H&K 23E/13E (7.62x51/.308) & (5.56/.223) Factory German Firing Pin
H&K Heckler & Koch
$0.00New HK23E & HK13E Factory German Firing Pin. Rare as these are no longer made. Perfect spare to have on hand. This will also fit the HK13E and MM23 clones.HKP-00820$0.00 -
Out Of Stock
H&K 3 Position (0,1,3 Pictogram) Burst Trigger Housing - Clipped & Pinned
H&K Heckler & Koch
$0.00H&K 3 Position (0,1,3 Pictogram) Burst Trigger Housing - Clipped & Pinned Featuring the 3 Position pictogram (0,1,3), this housing is crafted from durable black polymer. This ambidextrous housing is clipped and pinned for a secure fit on...HKP-02697$0.00 -
Out Of Stock
H&K 3 Position Ambidextrous 0,1,2 Burst Pack
H&K Heckler & Koch
$0.00New HK German 3 position burst trigger pack complete available in your choice of 9mm, 40/10, .223 & .308 we can set up each trigger pack in any caliber you wish (please specify when checking out in the notes section).Trigger packs are set up in .308...HKP-18540$0.00 -
Out Of Stock
H&K 30 Round AR-15 5.56x45mm/.223 Magazine - Black
H&K Heckler & Koch
$0.0030 Round Magazine with Window - Black - Gen 3 - Heckler and Koch Factory German Heckler & Koch 30-round Gen3 polymer magazines, compatible with 5.56mm weapon systems: HK416 / MR223 / AR15 / M16 / M4 type rifles.HKP-19359$0.00 -
H&K 30 Round HK G36 Magazine Spring
H&K Heckler & Koch
$9.95HK G36 30 Round Magazine Follower Spring New German HK G36 30 round magazine spring. A high wear and replacement item. Compatible With: G36 G36K G36C Sl8-G36 conversions that use the G36 magHKP-16363$9.95 -
Out Of Stock
H&K 30 Round HK MR556/416/AR-15 5.56 Magazine - Black
H&K Heckler & Koch
$0.00Fits HK MR556A1, HK416, AR15 and all high quality AR/M4/M16 type firearms. Heckler & Koch reliability and durability in a 30 round 5.56 mm Polymer Magazine at a special price.Designed to provide optimal ammunition feeding for any M16/M4/AR15-type...HKP-15805$0.00 -
Out Of Stock
H&K 33, 93 Full Auto Bolt Group Complete
H&K Heckler & Koch
$0.00HK German 33, 93, full auto bolt group Latest Manufacture- NewEach new German HK bolt group includes all German HK parts to include: HK33/93 latest production, tungsten filled F/A Carrier- German HK 33/93 latest production Bolt head complete with all...HKP-16729$0.00 -
H&K 33/93 Cocking Tube with Hanger
H&K Heckler & Koch
$77.95HK33/93 Cocking Tube With Hanger - UsedHKP-00710$77.95 -
Out Of Stock
H&K 53 (5.56/.223) Cocking Tube Support
H&K Heckler & Koch
$0.00HK German HK53 Cocking Tube Support New HK German HK53 factory correct cocking tube support. Each unit is the latest HK factory design with the HK53 tapered end. Great for replacement of the out of spec clone, re-welded cocking tube supports that are cut...HKP-00477$0.00 -
Out Of Stock
H&K 53 (5.56/.223) F/A Bolt Carrier Group Complete
H&K Heckler & Koch
$0.00HK German 53 Factory Full Auto Bolt Carrier Group Complete. Each HK53 bolt group includes the following: HK53 full auto, tungsten filled bolt carrier complete- German HK53 bolt head complete with all parts- German HK53 US manufactured # 3 locking piece-...HKP-00475$0.00 -
H&K 53 (5.56/.223) Frangible Ammunition Adapter
H&K Heckler & Koch
$149.95New HK 53 Factory 4 Prong Frangible Ammunition Adapter A rare HK collectible item as not many were made.HKP-16978$149.95 -
Out Of Stock
H&K 53 (5.56/.223) Full Auto Bolt Carrier
H&K Heckler & Koch
$0.00HK German HK53 Full Auto Bolt Carrier Brand new HK German tunsten filled HK53 factory bolt carrier complete. The real deal not cut down HK33 carrier. This is the factory fresh, factory correct HK53 bolt carrier. Fits all: HK53 Custom HK53 custom builds...HKP-00476$0.00 -
Out Of Stock
H&K 53 (5.56/.223) Trigger Group (0,1,2) - Push Pin
H&K Heckler & Koch
$0.00HK 53 .223 Trigger Group (0,1,2) - Push PinHKP-02027$0.00 -
Out Of Stock
H&K 53 A2 Complete Ambi/Burst Parts Kit
H&K Heckler & Koch
$0.00HK German Factory Newer Production HK53A2 SEF or (0-1-2) Burst Trigger Group, Factory Parts Kit Complete Minus The De-milled Receiver. Each Parts Kit Includes The Following Factory Used HK53 Parts: HK German Desirable 1/7 Twist Factory Cold Hammer...HKP-01261$0.00 -
Out Of Stock
H&K 53 A3 Parts Kit - (0-1-25) Trigger Housing
H&K Heckler & Koch
$0.00HK German HK53A3 Factory Parts Kit Complete Minus The De-milled Receiver This complete HK53A3 parts kit includes everything needed to build or upgrade your firearm, except for the de-milled receiver. Each kit features authentic German HK components: Each...HKP-14342$0.00