Rifle/SMG Parts
Elevate Your H&K Rifle with Premium Parts – MP5, HK416, SP5, and More!
Enhance your H&K rifle with top-notch parts and accessories. From MP5 and MP5K to SP5 and UMP/USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, SP5K, G36, or MP5 22, we have the H&K rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.
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HKP MP5SD Rubber Handguard
HKP HK Parts
$169.95HK MP5SD Rubber Handguard Made in the USAFits: MP5SD 9mm, MP5SD .40, MP5SD 10mm Counts as 1 US made 922R compliant part. These are only compatible with the HK Parts shroud. If you have a German Shroud you will want to get the German Handguard...HKP-17400$169.95 -
H&K 91/G3 (7.62x51 / .308) 20 Round Aluminum Magazine - New
H&K Heckler & Koch
$24.95New German 20 Round Aluminum Magazine - G3, 91, PTR Brand new old stock German manufactured paratrooper alloy magazine. This item is no longer in production and is getting harder to find in new condition. These mags are the real deal, perfect for your HK...HKP-00222$24.95 -
HKP HK 416 Pistol Brace Adapter/AR .22LR Stock Adapter
HKP HK Parts
$34.95Specifications: Fits: AR 22, HK /Walther 416 .22lr Manufactured: 100% made in the USA Easy to install no gunsmithing required machined from solid billeted alloy Hard coat anodized for a lifetime of useThis is for the ADAPTER ONLYHKP-17442$34.95 -
HKP HK MP5 RMR / Holosun Optic Mount - Black
HKP HK Parts
$97.95MP5 - RMR / Holosun Optic Mount The Finest mounting solution to properly mount your RDS on your MP5 or any other receiver that utilizes the same style mounting system. With our 3 piece optic mount, it makes installation a breeze. No need to damage...HKP-20731$97.95 -
Out Of Stock
RCM HK MP5K/N/PDW # 28 Locking Piece 80 Degree
RCM
$35.95New USA - RCM Manufactured #28 Locking Piece This part is used in conjunction with a suppressor and 147-grain or heavier ammunition. This item is made 100% here in the US from enhanced steel and heat treated to the proper specifications...HKP-02190$35.95 -
MP5, SP5 - A2 Fixed Stock-Black
$179.95MP5 A2 Fixed Stock - USA Each stock counts as one US-made compliant part. Perfect for that build where you require a US-made part to be compliant. This is the finest US-made MP5 stock, as it has a rubberized backplate to reduce the felt recoil...HKP-02314$179.95 -
H&K MP5, MP5K & SP5K 9mm Extractor
H&K Heckler & Koch
$59.95New HK German HK 9mm Extractor - Latest Generation This is the latest & greatest HK MP5 (newest F style version) German extractor. Each unit works with all HK MP5, HK94, MP5K, SP89, SP5K, or other 9mm clones. A great part to have as a spare or to...HKP-00057$59.95 -
HKP MP5 & MP5K 9mm Magazine Floor Plate
HKP HK Parts
$9.95HK MP5 & MP5K 9mm Magazine Floor Plate - US New US manufactured MP5, MP5K 9mm magazine floor plate. Made in the USA, fully heat treated and built to factory specification. A great replacement for 922R compliance as it counts as 1 US made compliant...HKP-17507$9.95 -
HKP MP5, MP5K Cocking Handle
HKP HK Parts
$29.95HKP MP5, MP5K Cocking Handle: Each new US-made cocking handle is an exact copy of the latest-generation German cocking handle. Our US-made HK cocking handle is a great spare to have on hand or to upgrade your clone to the finest US-made cocking...HKP-00653$29.95 -
HK, Walther, Colt, .22LR 1/2 X 28 Barrel Adapter
USA
$29.95Barrel Adapter With Thread Protector M8 X.75 To 1/2 X 28 This custom adapter allows you to unscrew the stock flash hider and quickly and effortlessly convert the barrel to 1/2X28 threads. It can be mounted permanently and provides the perfect index...HKP-01845$29.95 -
AC-Unity 30 Round HK MP5 9mm Magazine - Black
AC-Unity Magazines and Parts
$22.95CLICK ON THE "Bulk Pricing" LINK ABOVE (UNDER THE SKU NUMBER) FOR OUR BULK PRICING SCHEDULE The AC-Unity 30 round MP5 magazine is a lightweight, impact resistant and reliable magazine for all 9mm HK MP5, SP5, MP5K, SP5K and clones. Constructed from...HKP-20155$22.95 -
H&K MP5, MP5K 9mm Hammer Spring
H&K Heckler & Koch
$6.89H&K MP5, MP5K 9mm Hammer Spring Each factory HK hammer spring will work in all 9mm & 40/10 trigger packs. This is the finest HK-made spring at the best price anywhere. Do not settle for an HK contract when you can have HK German for less. Great...HKP-00064$6.89 -
Zenith 30 Round HK MP5, MP5K 9mm Magazine
Zenith
$38.9530 Round Magazine - Zenith - MP5, MP5K Each 9mm MP5, SP5 & Mp5K, SP5K magazine features the following: Durable electro-plated black finish for exceptional corrosion resistance Compatible with ZF-5, ZF-5P, ZF-5K, MP5, SP5, HK94, MP5K, SP5K,...HKP-20671$38.95 -
HKP HK 91/G3 (7.62x51 / .308) Cocking Handle - Extended
HKP HK Parts
$44.95HK 91, G3, PTR & CETME, C 308 Cocking Handle - Extended Add the look, feel, and enhanced pulling advantage of the extended cocking handle to your HK91, G3, PTR & C308 firearm. This upgrade will provide more than 2X the surface area and charging...HKP-00199$44.95 -
H&K MP5, SP5 - A2 Fixed Stock
H&K Heckler & Koch
$199.95HK German MP5, SP5 & HK94 - A2 Fixed Buttstock Latest HK German manufactured factory-fresh part. For those who have to have the best and only German HK products, this is the real deal! Compatible with: HK MP5, 94, HK SP5 MP5-SD MP5 F MP5...HKP-00169$199.95 -
HK MP5 .22 Match Trigger Upgrade Spring Kit
HKP HK Parts
$17.49H&K MP5 .22 Match Trigger Spring Kit - Set of 3 Enhanced Springs The HK Parts Match drop-in spring upgrade set will enhance your MP5-22's trigger pull to an even smooth, crisp, and lighter pull that will promote better control, which in turn promotes...HKP-17335$17.49 -
FMP Rifle Extractor Spring For All HK's - HK Contract FMP
FMP
$3.49HK Contract FMP (Portuguese) 308, 7.62, 556, .223 Rifle Extractor Spring This new factory HK contract part is the #1 most common repair and replacement item. This is also a great upgrade for those that want to upgrade the MP5/94 copper extractor spring...HKP-16248$3.49 -
HKP MP5, SP5 & PDW Rear Sight Drum
HKP HK Parts
$34.95Factory correct HK spec USA made MP5, SP5, MP5K PDW & HK94 rear sight drum. This is also the correct rear sight drum for the MP5K PDW or MP5K-N family of firearms. This is also a very popular upgrade for many of the existing clones on the market as...HKP-18202$34.95 -
H&K German Roller Retainer Plate For Rollers
H&K Heckler & Koch
$2.74Used HK German Roller Retainer Plate For All Rollers. This item is a common wear item that is great to have on hand as they are one of the top items that break or fail with use and age of the service weapon. Made in Germany. Fits all original 1st gen...HKP-02690$2.74 -
H&K MP5 9mm SEF Full Auto Trigger Pack Complete
H&K Heckler & Koch
$349.95HK German SEF MP5, MP5K - 9mm Full Auto Trigger Pack Complete Each factory full auto trigger pack includes a new 9mm 3rd generation German ejector lever installed. We do NOT use Pakistani, MKE, or US-made ejector levers in our trigger packs. Each...HKP-00981$349.95 -
Out Of Stock
H&K MP5K 9mm Vertical Grip
H&K Heckler & Koch
$0.00HK German Factory MP5K & SP89, PDW Vertical "K" Grip The "K" Grip will also fit the MP5, HK94, and HK53 with the use of a K-Grip adapter (see below), all NFA rules apply. This uses the standard HK small push pin to attach to the cocking tube...HKP-00387$0.00 -
HKP HK UMP/USC (.40 S&W/.45 ACP/9mm) 4 Piece Picatinny Rail Set
HKP HK Parts
$149.95HK UMP, USC Rail Set CompleteA complete set of rails for your HK UMP/USC carbine. Each set includes the finest rail set available with the improved side for no sharp edges, upper rail is an extended rail to offer more room for preferred fitment of your...HKP-17429$149.95 -
H&K 30 Round HK MR556/416 5.56/.223 Maritime Magazine - Black
H&K Heckler & Koch
$59.00HK 416, MR556 30 Round Maritime Magazine - German HK The HK 416 and MR556 magazines will also fit all AR15/M16 variants. Designed to provide optimum ammunition feeding for any M16/M4/AR15-type weapon. Originally developed by HK for the British L85 (SA80)...HKP-00487$59.00 -
HKP 25 Round HK MP5 .22 Magazine Spring
HKP HK Parts
$3.95HK MP5 .22 25 round magazine spring for the MP5-A5 & MP5-SD .22 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 HK MP5 .22...HKP-02786$3.95 -
IMI 32 Round Uzi 9mm Magazine - German Military - Used
IMI
$24.95Uzi 32 Round 9mm Magazine - IMI - Used Good condtion+Factory Original Israeli IMI all steel production, 32rd 9mm magazines produced for the German army. German mags were military, they were not offered as a comercial magazine. As an added bonus these are...HKP-18683$24.95 -
H&K 93/53/91/G3 Cocking Handle Spring
H&K Heckler & Koch
$5.74New Style Cocking Handle Lever Spring - German This is the latest HK German spring design with the factory HK anti-corrosion plating applied. The factory HK springs last longer and is more tolerant to corrosion. A perfect upgrade for your older...HKP-00348$5.74 -
H&K SEF Long Axle Selector Lever For Polymer Trigger Housings
H&K Heckler & Koch
$24.95HK SEF Longer Axle Selector Lever For The Polymer SEF Type Grips Or Trigger Housings - Used This is the factory-correct selector lever for SEF or SEF-style semi-auto-style trigger packs and grip frames. These are pulled from German HK SEF trigger...HKP-01105$24.95 -
DTAC Mag Paddle Bushing With Pin For Semi Builds
DTAC Dakota Tactical
$9.89DTAC Mag Paddle Bushing With Pin For Semi-Builds This part is made 100% in the US from 17-4 stainless steel. Latest production with patent pending anti-binding enhancement upgrade. Accurate tolerance for easy movement with minimal play. It has an...HKP-02194$9.89 -
Magpul Industries ESK SL Grip Modules & HK Polymer Trigger Housings
Magpul
$47.95Magpul Industries, ESK (Enhanced Selector Kit), For HK Roller Lock Firearms, Fits Magpul SL Grip Module & HK Polymer Trigger Housings, Works with S-E-F and Safe-Semi Trigger Packs User-configurable levers for ambidextrous use Easier firing hand...HKP-19308$47.95 -
Choate MP5 & HK94 End Cap & Sling Swivel
Choate
$36.95Choate MP5 & HK94 End Cap and Sling Swivel 100% US-made MP5 and HK94 end cap features an extra thick heavy-duty rubber buffer that is replaceable with a simple screwdriver. Each HK end cap also features a sling swivel for use with all types of slings...HKP-00115$36.95 -
On Sale
HKP Armorers Bench Block Tool
HKP HK Parts
Now: $9.95Was: $14.95HK Parts Armorers Puck Punch Bench Block Tool For All HK Firearms The HK armorers' puck punch bench block tool is standard issue at all HK armorers' courses. The purpose of the tool is to aid in installing axle and roll pins in your firearm while...HKP-17133Now: $9.95Was: $14.95 -
H&K 91/G3 (7.62x51 / .308) Cocking Handle Axle Pin
H&K Heckler & Koch
$4.95New HK German G3, 91, 21, & PTR Cocking Handle Axle Pin This is a new HK factory part for the .308 HK rifle. This part is the axle pin that holds the cocking handle in place on the cocking tube support.HKP-01690$4.95 -
Choate MP5K/SP89/SP5K 9mm Folding Stock
Choate
$199.95MP5K, SP89 & SP5K Tactical Folding Stock - US Made Each stock features the same quick, open steel housing and folding arm found on all HK stock offerings. Each stock is backed by the manufacturer's lifetime warranty but built tough enough that you...HKP-00390$199.95 -
B&T HK MP5K, HK SP89, HK SP5K Folding Stock - Black
B&T Brugger & Thomet
$274.95B&T HK MP5K, HK SP89, HK SP5K Folding Stock - Black These are hard to find and the real deal. 100% Swiss Made. Compatible with all HK MP5K's, SP89's, SP5K's, or clones (NFA rules apply). This is a military-grade stock. B&T is an HK-OEM...HKP-00172$274.95 -
Maglula Mag Loader/Unloader
Maglula
$29.95Constructed of high impact durable polymer, the MP5 LULA is an MP5 magazine loading and unloading tool. Each loader is made to quickly load and unload your 9mm MP5 magazines in seconds. This will allow you to do more shooting and less loading. With this...HKP-14546$29.95 -
H&K MP5 Bolt Group Backup Kit - Action 3
H&K Heckler & Koch
$22.95New HK German MP5, MP5K, HK94, SP89 9mm Action 3 Bolt Group Backup Kit.This Kit Includes The Highest Wear And Replace Items On The MP5 Action 3 Bolt Group, As Well As The Easy To Lose Pin.Each Repair Kit Includes: Factory German MP5 9mm Extractor Spring...HKP-16993$22.95 -
H&K MP5, HK94 Cocking Tube Support Handle Pin
H&K Heckler & Koch
$1.95HK German MP5, 94 cocking tube support handle pin This spring pin holds the cocking handle in place on the cocking tube support. This is also the same part for the front sight roll pin for the triple frame (front sight tower).HKP-00656$1.95 -
Black Dog Machine 50 Round HK 416 .22LR Magazine - Translucent
Black Dog Machine
$99.95HK, Walther, Umarex HK416 50 Round - .22 LR MagazineEach 50 round magazine fits the HK 416 .22 rifles & pistol models.Made in the USA by BDM exclusively for HKPARTS. Using an existing drum model that is tried and true. This is the only drum ever to...HKP-16236$99.95 -
GSG HK MP5 .22LR Magazine Clamp
GSG German Sports Guns
$29.95HK MP5 22LR - Magazine Clamp Each HK-style mag clamp is made of steel and is the highest quality aftermarket magazine clamp ever made, as these were made specifically for the MP5 .22LR mags. Holds two magazines together for tactical use and faster mag...HKP-00791$29.95 -
Out Of Stock
H&K MP5 & MP5K 9mm Cleaning Kit
H&K / HK Parts
$84.95HK MP5, HK SP5, HK94 & MP5K, SP89, SP5K cleaning kit complete. Includes: Saf-T-Clad Cleaning Rod Accessory Adapter Section #8-32 Patch Holder HK Chamber Face Brush (Made in the USA) 9mm MP5 Barrel Flute Brush Phosphor Bronze Bore Brush Double-Ended...HKP-00347$84.95