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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Timney Triggers HK91 .308 2-Stage Trigger
Timney Triggers
$439.95Timney Trigger for - HK91, PTR 91 The Timney HK91 trigger is factory-set with a two pound first stage and a two pound second stage that elevates the platform so the shooter can achieve the utmost in accuracy.This offering comes complete with a Factory...HKP-20508$439.95 -
German HK 416, MR556 - Barrel Nut
H&K Heckler & Koch
$53.95HK MR556 & HK 416 Barrel Nut Or Socket For Barrel All steel barrel nut. This item is a must-have repair and replacement part for removal or when you have any work done to your barrel, as the barrel nut may become damaged in the removal and...HKP-02535$53.95 -
Out Of Stock
H&K 53/51 (5.56/.223) Handguard
H&K Heckler & Koch
$59.95HK German Correct Length HK 53, 51 & PTR Forearm New factory fresh HK German manufacture HK53 hand guard. Polymer handguard that is the proper length to cover the extended portion of the trunnion found on the HK53 and HK 51 style of firearms...HKP-00468$59.95 -
H&K Ambidextrous Sling Pin Locking Knob
H&K Heckler & Koch
$11.95New HK German Ambidextrous Sling Pin Locking Knob These are common replacement items, they can become loose as the O-ring wears and falls off. Be sure to order extra O-rings to avoid losing the locking nut. This is a common replacement part for those...HKP-01042$11.95 -
H&K Full Auto Paddle Magazine Release Bushing HK German - Used
H&K Heckler & Koch
$4.95H&K Full Auto Paddle Magazine Release Bushing HK German - Used This part is for use in all 90-series H&K weapon systems. Used for installing a paddle mag release. Please Note: This is not for use on semi-auto HK builds. This part is used for...HKP-02303$4.95 -
H&K Standard 4 Position Burst Left Side Selector Lever
H&K Heckler & Koch
$399.95H&K Standard 4 Position Burst Left Side Selector Lever Compatible with any of the 0, 1, 3, F or 0, 1, 2, F trigger packs. Brand new HK German part. No longer available so get them while you can.HKP-00123$399.95 -
H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Sear Spring
H&K Heckler & Koch
$8.95HK UMP, USC, G36, & SL8 Sear Spring This part is used in conjunction with the sear in the trigger body of the lower.HKP-01866$8.95 -
HKP HK45 Railok™ Compensator - Black
HKP HK Parts
$189.95HK Parts Railok™ Mounting System Compensator: H&K HK45 The HK Parts Railok™ mounting system compensator strikes a seamless balance of form and function. Users will immediately notice the reduction in muzzle flip and recoil,...HKP-21113$189.95 -
HKP HK91, G3, PTR91 2 Point Leather Sling - Dark Brown
HKP HK Parts
$49.952 Point Leather Sling - Dark Brown These new HK Parts 2-point slings are based off of the original German HK design that are no longer offered. This is a 1st time offering, handcrafted by a German artisan and made in the USA. Made from quality USA...HKP-20271$49.95 -
Meprolight HK P2000/P2000SK Tru-Dot Night Sight Set - Green
Meprolight
$99.99Meprolight HK P2000/P2000SK Tru-Dot Night Sight Set - Green Features: Unequaled Light Performance Brightest Night Sights Available Today Used by Military & Law Enforcement All Tru-Dot sights are covered by a 12-year usable illumination warranty to...HKP-01904$99.99 -
Promag HK 93/53/33 (5.56/.223) Magazine 40 Round
Promag
$29.95HK93, HK33, HK53 - 40 Round Magazine - USA These count as 3 US-made compliant parts as a bonus for those who need to maintain the 922r compliance. Compatible with all 5.56, .223, and 300 AAC Blackout rounds. Each magazine body, follower, and floorplate...HKP-13970$29.95 -
RCM HK G3, HK 91, PTR Trunnion
RCM
$64.95RCM Trunnion For The HK91/G3 Series - US Made This part is machined from ordnance grade 9310 enhanced steel and heat treated to exact HK specifications. This item is the best USA-made trunnion on the market. Machined to spec and are to the custom ground...HKP-01289$64.95 -
RCM HK G3K Locking Piece #18 - 50 Degree
RCM
$49.95RCM HK G3K Locking Piece #18 - 50 Degree The #18 LP is the factory-correct locking piece for G3K style builds or other custom builds. The locking piece is the timing mechanism that a delayed roller lock firearm uses to tell the firearm when to unlock and...HKP-02522$49.95 -
Snap Hook 1" - Universal
USA
$4.95Snap Hook 1" This is a 1" HK-style snap hook for sling or other custom projects. We also offer 1.25" HK sling hooks, as these are great spare parts to have on hand.HKP-00730$4.95 -
On Sale
Tin with Flares - 26.5MM
Other
Now: $699.95Was: $899.95Tin with Flares - 26.5MM Sealed tin with 14 10-packs of flares for a total of 140 flares per tin. Each 10-pack of Polish military flares include 2 of each of the following: White Fire, Red Fire, Green Fire, Blue Smoke, and Red Smoke...HKP-20794Now: $699.95Was: $899.95 -
Trijicon, HKP HK MP5 6.5 MOA / Optic Mount Bundle - Black
Trijicon
$599.95RMR Optic Mount - Bundle - HK MP5 Includes: (1)Trijicon RMR Type 2 Red Dot Sight 6.5 MOA Red Dot, Adjustable LED (1) MP5 RMR Optic Mount The finest mounting solution to properly mount your RDS on your MP5 or any other receiver that utilizes the...HKP-20734$599.95 -
H&K HK G36, HK SL8 Ambidextrous Sling Pin
H&K Heckler & Koch
$49.95HK German G36/SL8 Ambidextrous Sling Pin This part replaces all of the HK SL8 or G36 push pins with a loop for the sling. This can be moved to attach a sling on either the left or right sides with ease.HKP-00619$49.95 -
Out Of Stock
H&K HK MP5, HK 416, GSG5 .22LR Sling - Black
H&K Heckler & Koch
$0.00HK 416, HK MP5 & GSG5 .22LR Sling This is a factory HK-manufactured sling perfect for HK weapons systems, including .22LR models. Each unit comes with 2 HK German sling hooks or ambi use, as well as a quick detach buckle. This part is fully...HKP-00893$0.00 -
H&K HK MR556/416 Vented Slimline Gas Block
H&K Heckler & Koch
$135.00HK German MR556, 416 Gas Block Complete - Low Profile This part is the factory slim-line, low-profile gas block for the MR556/HK416. There are no bayo lug or sling attachment points. This is the factory-correct gas block found on the MR556...HKP-02660$135.00 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Lower Axle
H&K Heckler & Koch
$9.95HK UMP & USC Lower Axle - German 3 X lower axle pins are used for each trigger group or lower all pins are the same size, except the mag release axle on the USC model.HKP-01893$9.95 -
HK G36, HK SL8 Side Rail Factory HK - Black
H&K Heckler & Koch
$67.95HK Factory German G36 & SL8 Side Rail With Screws Up to two side rails can be used on a G36 UMP, one for each of the sides. Made from hard coat anodized aluminum. Compatible With: SL8 full size G36 full sizeHKP-01962$67.95 -
Meprolight HK MP5, G3, 33, PTR, SP5 Night Sight Set
Meprolight
$109.00Meprolight HK MP5, G3, 33, PTR, SP5 Night Sight Set Meprolight produces a bright green night sight available for Heckler & Koch sub guns and rifles. These tritium night sight inserts are a no-brainer for a quicker, more accurate point-and-shoot...HKP-02564$109.00 -
Out Of Stock
RCM HK USP 9mm Tactical Barrel - Threaded 1/2x28
RCM
$225.00RCM HK USP 9mm Tactical Barrel - Threaded 1/2x28 Each barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra-desirable nitride finish. This is the finest replacement barrel available for...HKP-16705$225.00 -
B&T HK MP5 Folding Stock with HK Parts Adapter
B&T Brugger & Thomet
$277.95B&T Folding Stock for All MP5 Full Size Variants Swiss made B&T folding stock completely assembled With our own HK Parts stock adapter. CNC machined aircraft grade aluminum with QD sling attachment point. Compatible With: MP5 (NOT...HKP-20216$277.95 -
B&T Short Style Quick Detach Vertical Grip - Coyote Tan
B&T Brugger & Thomet
$77.95B&T Short Style Quick Detach Vertical Grip - Coyote Tan Swiss made B&T quick detach short vertical for-end grip with quick release throw lever for picatinny. Made of tan polymer and includes a water tight storage compartment in the bottom of the...HKP-18041$77.95 -
Comp-Tac HK 45/Tactical/P30L International RH Holster - Black
Comp-Tac
$84.95HK45 , HK45 Tactical & P30L International Holster - Right Hand The International is an outside the waistband holster with a modular mounting design giving the user 16 holster options in 1. Designed to be worn at 3:00 this holsters is perfect for...HKP-17482$84.95 -
H&K 30/32 Round HK USP/P30/VP9 Magazine Spring
H&K Heckler & Koch
$9.95H&K 30/32 Round HK USP/P30/VP9 Magazine Spring HK German manufacture new production HK USP 9mm 32 round magazine spring. A super rare and hard to find part for the USP 9mm extended 32 round magazines. This spring took years of searching to find in...HKP-16407$9.95 -
H&K HK USP Left Side V3 Decocking Lever
H&K Heckler & Koch
$51.99H&K HK USP Left Side V3 Decocking Lever V3 decock only lever for right-handed operation. German HK V3 lever for full-size USP's. When used along with the V3 - V4 detent plate, it will convert to decock only - no safety. For use with right-handed...HKP-01168$51.99 -
H&K USP Detent Plate Variant 5, 6, 9 & 10
H&K Heckler & Koch
$19.95HK Detent Plate For USP Variant 5, 6, 9, & 10 Conversions This plate, when installed, will allow you to have the "safety" only and NO decock function on your pistol. This plate will fit and work for both left-hand and right-hand setups. Compatible...HKP-01247$19.95 -
HKP HK P2000/P2000SK Bench Mat
HKP HK Parts
$13.95HKP HK P2000/P2000SK Bench Mat Perfect for all HK P2000, P2000SK 9mm, .40 & .357 Sig Models This isn't your ordinary gun cleaning mat! Show your pride for your firearm while using this high quality neoprene rubber backed and cloth top gun cleaning...HKP-17450$13.95 -
HKP MP5 End Cap with Sling Swivel
HKP HK Parts
$84.95HK Alloy Pistol End Cap with Sling Swivel Made from solid billet aircraft grade aluminum with the HK German sling loop and rubber heavy duty H buffer. With the alloy construction this unit will not break like the plastic end caps. Compatible...HKP-18138$84.95 -
Meprolight HK USP Tru-Dot Night Sights - Orange, Green
Meprolight
$99.99Meprolight HK USP Tru-Dot Night Sights - Orange, Green Features: Unequaled Light Performance Brightest Night Sights Available Today Used by Military & Law Enforcement All Tru-Dot sights are covered by a 12-year usable illumination warranty to the...HKP-01907$99.99 -
Raddlock HK 91/G3 (7.62x51/.308) Magazine Block - 10 Round
Raddlock
$9.95HK 91, G3, & PTR 10 round Magazine Plug This plug is designed to limit the 20-round steel or Aluminum mag capacity to 10 rounds. Converts the standard mag to a 10/20 magazine. The best-recommended use is a 5/32" X 1/2"-3/4"...HKP-02443$9.95 -
SB Tactical HK MP5K, HK SP89, HK SP5K Side Folding Brace w/ HK Parts Adapter
SB Tactical
$229.95Side Folding Pistol Stabilizing Brace with HK Parts Adapter - HK MP5K, SP89, SP5K & Clones Side Folding Pistol Stabilizing Brace with HK Parts Adapter. The HK Parts adapter offers a QD attachment point and is made from hard coat anodized aluminum...HKP-19451$229.95 -
Tac Latch - PTR Spec
$69.95Tac Latch (latest Generation) PTR Spec - PTR .308 Firearms The new updated style of Tac latch is made specifically for the PTR 91 .308 receiver and will require very little modification to the firearm for installation. A major overhaul of the existing...HKP-17611$69.95 -
Troy Industries HK 416/HK MR556/HK MR762/HK 417 Low Profile Micro Sights
Troy Industries
$199.95Troy Industries Low Profile Micro Sights For those that need a lower profile sight for enhanced cheek weld position and eye relief, this is the sight set up for you. Each rear sight includes two different sight apertures, making the sight system modular...HKP-01243$199.95 -
On Sale
B&T Benelli M4 Super 90 Handguard
B&T Brugger & Thomet
Now: $219.95Was: $319.95Factory Swiss manufactured B&T M4 Benelli Quad Rail This offering is the latest model that is a one piece version that will fit all Benelli M4 shotguns. The finest quad rail you can buy! Specifications: Color: Black Height max: 83 mm Length max: 206...HKP-17435Now: $219.95Was: $319.95 -
B&T HK SP5 Folding Stock w/ HK Parts Adapter
B&T Brugger & Thomet
$299.95B&T Folding Stock with HK Parts Adapter - SP5 B&T stock with a SP5 HK Parts Adapter. The HK Parts adapter is made from a solid billet of CNC machined aircraft grade aluminum and offers a QD attachment point. Finished in black cerakote. This will...HKP-20663$299.95 -
H&K 91/G3 (7.62x51/.308) Stock Set w/ Backplate - OD Green - Hand Picked
H&K Heckler & Koch
$84.95Original G3, 91, PTR German Army Used Surplus O.D. Green Stock Set - Complete Factory HK German Production. Each stock set is used but in perfect working order. Each set was hand picked and the best sets we have in stock. Includes: Slimline...HKP-18237$84.95 -
H&K Burst Trigger Pack Armorers Tool
H&K Heckler & Koch
$99.95Heckler & Koch Factory Burst Trigger Pack Armorer's Tool A must-have tool to maintain, disassemble, and reassemble burst trigger packs for cleaning and repair. This tool will save you a ton of time and will pay for itself on the first use. Compatible...HKP-00898$99.95