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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EBO HK 91/G3 (7.62x51/.308) Tungsten Full Auto Carrier - Made by EBO Under HK Contract
EBO
$199.95Used HK Contract Greek (EBO) F/A Date Coded Tungsten Filled Bolt Carrier. HK German G3 F/A date coded bolt carrier with the tungsten inserts. The tungsten inserts and upgrade is ideal for those that are having bolt bounce issues or want the smoothest...HKP-16572$199.95 -
Franklin Armory HK MP5 - BFSIII HK-C1 – Binary Trigger Group – SEF – Contoured
FA Franklin Armory
$1,299.95Franklin Armory HK MP5 - BFSIII HK-C1 – Binary Trigger Group – SEF – Contoured 3 Position – Pictogram – HK Binary Trigger Group for HK MP5/SP5 and MP5 push pin Binary triggers count as 4 922r compliant components. The...HKP-20004-M$1,299.95 -
GSG9 HK G36/UMP/SL8/USC Hammer - US Made
GSG9
$124.95G36 & HK UMP Hammer For Lower Or Trigger Group- US Made US made hammer for 922R compliance. These hammers are a direct fit on the USC and SL8 platform and count as one of the needed 922r compliant parts for the SL8 and/or USC.HKP-19852$124.95 -
H&K 10 Round HK 45 Magazine Housing - Black
H&K Heckler & Koch
$34.95HK45 Magazine Housing For 10 Round Mag - Mag Body Only Brand new factory German manufacture. Compatible With: HK45, HK45 Tactical Please Note: This is not the same as the USP45 mag body.HKP-02494$34.95 -
H&K 91/G3 (7.62x51/.308) Rear Sight
H&K Heckler & Koch
$28.95HK German Factory Rear Sight Assembly With Drum Assembly - New Each rear sight is a brand new, old stock genuine Heckler & Koch rear sight. Comes as shown. Mounting hardware is offered separately. Now out of production, it's rare and hard to find in...HKP-00361$28.95 -
H&K 91/G3 (7.62x51/.308) Slimline Forearm - Jungle Green - Used Excellent
H&K Heckler & Koch
$29.95H&K 91/G3 (7.62x51/.308) Slimline Forearm - Jungle Green - Used Excellent Used in excellent shape. These are a nice addition to the collection. Compatible With: All full forearm length HK 91, G3, PTR style firearmsHKP-19042$29.95 -
H&K G3 Parts Kit - PTR Barrel
H&K Heckler & Koch
$647.95HK German G3 .308/7.62 X 51mm Surplus Parts Kit Finally, after more than 4 years of searching the globe, we have HK German Surplus G3 parts kits available to offer. Each parts kit comes complete with all parts from a functional HK G3 full auto rifle that...HKP-16577$647.95 -
H&K G36/SL8 (5.56/.223) Bolt Catch
H&K Heckler & Koch
$24.95HK G36 & SL8 Bolt Catch On AR-15 systems this part would be similar to a cam pin. Compatible With: G36 G36K G36C SL8 variantsHKP-02472$24.95 -
H&K G36/SL8 (5.56/.223) Factory Recoil Buffer
H&K Heckler & Koch
$20.95HK G36 Or SL8 Factory Recoil Buffer A must-have spare part. These are prone to wear, tear, and damage.HKP-00290$20.95 -
H&K HK 45/45C Left Side Safety Lever - Black
H&K Heckler & Koch
$29.95HK 45/45C Left Side Safety Lever - Black This control lever is for those who are right-handed and want the control lever on the left-hand side of the frame. This is the V1 selector with a decocking function and safety...HKP-01770$29.95 -
H&K HK G36K Forearm - Black
H&K Heckler & Koch
$139.95HK G36K Forearm With Hand Stop & Heat Shield- German HK New HK German latest production HK G36K forearm that has the hand stop and heat shield installed. Also a popular forearm choice for those doing the SL8 to G36 conversions. Has the mounting...HKP-00617$139.95 -
Out Of Stock
H&K HK MP5K Discrete Briefcase
$2,995.00H&K HK MP5K Discrete Briefcase HK had these briefcases made for them to their specifications and conditions for many years. HK no longer makes or offers them. This case was made using German HK and German parts to complete the case offering as...HKP-19531$2,995.00 -
H&K HK MR556/416 Extractor
H&K Heckler & Koch
$76.95HK 416 & MR556 Bolt Head Extractor New HK - German Compatible With: MR556 CR556 HK 416 HK M27HKP-00036$76.95 -
H&K HK MR556/416 Forward Assist Pin
H&K Heckler & Koch
$4.95Forward Assist Pin For MR556 & HK416 PinHKP-02662$4.95 -
H&K HK P30 Series Left Slide Release Lever - Black
H&K Heckler & Koch
$59.95Slide Release Lever Left - P30 Latest HK production. Compatible With: P30 P30SKHKP-01879$59.95 -
H&K HK USP, HK USPC, HK 45 & HK 45C Detent Plate For V1 & V2
H&K Heckler & Koch
$29.95Detent Plate For V1 & V2 This will provide the safety and decocking functions for both the left and right side selector levers for the HK pistols below. Compatible With: USP Full Size, USPC Pistols in all Calibers 9mm, .357, .40 & .45 HK45...HKP-01171$29.95 -
H&K HK USP/USPC .45 ACP New Style Extractor
H&K Heckler & Koch
$59.95New Style Extractor New HK German part with red loaded chamber indicator. Compatible with: USP 45, USP 45 Tactical USP Compact .45, USPC .45 Tactical USP ExpertHKP-01478$59.95 -
H&K HK USPC/45/45C Magazine Locking Plate - Black
H&K Heckler & Koch
$7.95HK USPC, 45, & 45C Magazine Locking Plate - Black New factory German HK. Compatible With: HK45 HK45 Tactical HK45C HK45C Tactical HK USPC .45 HK USPC .45 TacticalHKP-02250$7.95 -
H&K HK USPC/45C Firing Pin
H&K Heckler & Koch
$34.95H&K HK USPC/45C Firing Pin A great spare part to have on hand for wear and breakage parts. A factory German HK OEM part. Compatible With: HK45 Compact HK45C Tactical HK USP Compact 45 HK USPC Tactical 45HKP-01288$34.95 -
H&K HK VP9, HK VP40 Grip Panel Left Side - Large - Black
H&K Heckler & Koch
$9.95H&K HK VP9, HK VP40 Grip Panel Left Side - Large - Black New HK German manufactured. Left side medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VP pistol. Compatible With: HK VP9 HK VP40HKP-16808$9.95 -
H&K HK VP9, HK VP40 Grip Panel Right Side - Medium - FDE
H&K Heckler & Koch
$19.95H&K HK VP9, HK VP40 Grip Panel Right Side - Medium - FDE New HK German manufactured. Right side, medium size. Perfect for spare or for custom stippling projects. Drop-in part for your HK VP pistol. Compatible With: HK VP9 HK VP40HKP-18116$19.95 -
H&K HK VP9/VP9SK, HK VP40 Insert
H&K Heckler & Koch
$16.95H&K HK VP9/VP9SK, HK VP40 Insert Insert for HK VP9, VP40. Compatible With: HK VP9 HK VP9SK HK VP40HKP-16801$16.95 -
H&K HK VP9/VP9SK, VP40 Trigger Safety Catch Elbow Spring
H&K Heckler & Koch
$6.95H&K HK VP9/VP9SK, VP40 Trigger Safety Catch Elbow Spring Elbow spring for trigger safety catch VP9, VP9SK & VP40.HKP-16772$6.95 -
H&K HK VP9/VP9SK/VP9 Match/Tactical, HK VP40/Tactical Magazine Release/Catch - Black
H&K Heckler & Koch
$19.95H&K HK VP9/VP9SK/VP9 Match/Tactical, HK VP40/Tactical Magazine Release/Catch - Black New HK German manufacture. Compatible With: HK VP9, VP9 Tactical HK VP9SK HK VP40, VP40 TacticalHKP-16817$19.95 -
H&K MP5 & HK94 9mm Complete Bolt Head
H&K Heckler & Koch
$349.95HK German MP5 & HK94 Used Bolt Head Complete There are only a few available as they are now considered "restricted import items" by HK.HKP-01881$349.95 -
H&K MP5 9mm Cocking Tube
H&K Heckler & Koch
$99.95H&K MP5 9mm Cocking Tube New factory German HK uninstalled part directly from HK Germany. Rare and hard to find. Compatible With: MP5, 94, SP5 MP5 clones or other custom buildsHKP-00093$99.95 -
H&K MP5, 94 & HK53 HKey MLI Handguard - MRS - RAL 8K
H&K Heckler & Koch
$499.95H&K MP5, 94 & HK53 HKey "MLI" Handguard - MRS - RAL 8000 The HKey mod "Mid Life Improvement" tactical hand guard easily installs on your firearm with minimal effort and locks up solid. No fitting required. Compatible With: HK MP5, 94 HK...HKP-17665$499.95 -
H&K MR556 (5.56/.223) Compensator Flash Hider - Threaded 1/2x28
H&K Heckler & Koch
$39.95H&K MR556 (5.56/.223) Compensator Flash Hider - Threaded 1/2x28 Full birdcage style is the real deal. Threaded 1/2x28 for use on all HK 416, MR556 and other AR style applications. Great flash hider. Specifications: Threaded 1/2x28 Compatible...HKP-16926$39.95 -
Out Of Stock
H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Safety Selector Lever (0,1,F)
H&K Heckler & Koch
$19.95HK UMP & G36 Left Side Safety Selector Lever With Axle - 3 Position Navy Compatible With All Navy 3 Position Lowers (0,1,F): HK UMP HK G36HKP-01889$19.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Cocking Lever Spring
H&K Heckler & Koch
$8.95HK UMP & USC Cocking Lever Spring A great spare part to have on hand.HKP-01886$8.95 -
Out Of Stock
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Factory German Sling
H&K Heckler & Koch
$0.00HK USC & UMP Factory German Tactical Sling -BlackHKP-00613$0.00 -
H&K USC/SL8 (.45 ACP/5.56/.223) Left Selector Lever
H&K Heckler & Koch
$11.95H&K USC/SL8 (.45 ACP/5.56/.223) Left Selector Lever HK German USC, SL8 left side selector lever 2 position 0,1 Safe, Semi only. Compatible With: HK SL8 HK USCHKP-02506$11.95 -
H&K USP 9mm Full Size Barrel - Black
H&K Heckler & Koch
$235.99H&K USP 9mm Full-Size Barrel - Black HK factory German HK cold hammer forged barrel. New date-coded and serialized barrel. Compatible With: USP 9mm USP 9mm TacticalHKP-01527$235.99 -
H&K VP40 .40 S&W Tactical Barrel - Threaded 14.5x1 LH
H&K Heckler & Koch
$279.95H&K VP40 .40 S&W Tactical Barrel - Threaded 14.5x1 LH Precision made in Germany by HK, this barrel is crafted from cold hammer forged ordnance-grade steel. It represents the finest threaded factory barrel available for the HK VP40 or VP40...HKP-17994$279.95 -
H&K VP9/VP9SK, VP40 Firing Pin Pressure Spring
H&K Heckler & Koch
$5.99H&K VP9/VP9SK, VP40 Firing Pin Pressure SpringHKP-16831$5.99 -
Out Of Stock
H&K VP9SK 9mm Dimpled Barrel - Threaded 13.5x1
USA
$229.95H&K VP9SK 9mm Dimpled Tactical Barrel - Threaded 13.5x1 Each barrel is meticulously crafted from ordnance grade steel, heat-treated, and finished inside and out with an ultra-desirable nitride coating. The enhanced design features a...HKP-18420$229.95 -
HK G36, HK SL8 Magazine Paddle Release
USA
$17.95HK G36 & SL8 Magazine Paddle Release HK G36 Mag Release or mag catch. Compatible With: HK SL8 HK G36 HK G36K HK G36CHKP-18222$17.95 -
HK G36/MP7 (4.6x30/5.56/.223) Firing Pin Bolt O-Ring
USA
$5.95HK G36 & MP7 Firing Pin Bolt O-ring. This is also the O-ring for the retaining pin for the MP7- US.HKP-18373$5.95 -
HKP (5.56/.223) & (7.62x51/.308) 4 Prong Micro Flash Hider - Threaded 15x1 RH
$64.95HKP (5.56/.223) & (7.62x51/.308) 4 Prong Micro Flash Hider - Threaded 15x1 RH New shorter "micro" version US-made 4-prong flash hider threaded 15x1 RH. Micro FH will fit all HK .223 & .308 threaded barrel applications and barrels. Made from...HKP-02189$64.95 -
Sale
HKP Flat Brim Snapback Hat - Black
HKP HK Parts
Now: $13.45Was: $19.95HKP Flat Brim Snapback Hat - Black Get your hands on some of our premium hats! Official HKP merchandise 5" wide HKP logo 100% cotton Structured 4 sewn eyelets Matching color sweatband Plastic adjustable snap Firm front panel Size: OSFM - Adult...HKP-20462Now: $13.45Was: $19.95