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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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 -
Botach Battle Steel HK MP5 Ultra-Low-Profile Mount for Trijicon MRO
Botach Tactical
$69.95Botach Battle Steel HK Ultra-Low Profile Integrated Mounting Platforms for the Trijicon MRO Ultra-low-profile mount for HK MP5/HK33/HK53 firearms. Features a lower 1/3 cowitness for the Trijicon MRO sights. Compatible With: HK MP5 &...HKP-19530$69.95 -
H&K Heavy 8.5 lbs Trigger Return Spring
H&K Heckler & Koch
$16.99H&K Heavy 8.5 lbs Trigger Return Spring Also known as the heavy LEM trigger spring for the LEM and TGS conversions. Compatible With: HK USP Full Size 9mm, .40 & .45 HK USP Compact 9mm, .40 & .45 HK Tactical, Elite & Expert All...HKP-02265$16.99 -
H&K HK 30 Round MP5/SP5 & MP5K/SP5K 9mm Magazine - RAL 8K
H&K Heckler & Koch
$99.95New German - H&K MP5, SP5, SP5K, MP5K 9mm - 30 Round Curved Magazine - RAL 8K Heckler & Koch factory fresh magazine from this current year's production. 9mm 30 Round curved all-steel magazine stamped "Made In Germany". This special offering...HKP-19975$99.95 -
H&K HK MR556/MR762/416/417 33mm Front Folding Sight
H&K Heckler & Koch
$149.9533mm Front Folding Sight Tower-MR416, MR762 & HK416/HK417 HK 416 Or MR556 Front Folding Sight. This item attaches directly to the front gas block of the HK 416 & MR556 or MR762/HK417. Designed to be used in conjunction with - Flip Up Rear...HKP-02548$149.95 -
HKP HK 416/MR556/MR762 Flip Up Rear Sight-3mm
HKP HK Parts
$139.95HK 416, MR556 & 417 Flip Up Rear Sight Diopter 3mm Sight - US Attaches to any standard picatinny rail. No hardware needed as this is a self contained quick attach rear sight assembly. This unique sight features a quick & easy push button...HKP-17715$139.95 -
HKP HK P2000SK Compensator
HKP HK Parts
$189.95HKP HK P2000SK Compensator The HK Parts P2000SK Compensator will add a sleek and tactical look to your P2000. With the quick and easy addition of our compensator you will add plenty of benefits. This compensator reduces recoil and therefore allows you...HKP-20885$189.95 -
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 -
H&K 10 Round HK USP .45 ACP Extended Floor Plate - Black
H&K Heckler & Koch
$12.95H&K 10 Round HK USP .45 ACP Extended Floor Plate - Black This is a great part to stock up on as the 10-round tabs are known for breakage, or if you have large hands, the extended floorplate is a must-have upgrade. Compatible With: HK USP .45...HKP-01281$12.95 -
H&K HK MR556/416 Mil-Spec Enhanced Buffer Tube
H&K Heckler & Koch
$254.95HK 416 & MR556 OTB (over the beach) Buffer Tube/Receiver Extension Each mil-spec buffer tube has built-in drainage holes in the rear of the tube and also on the bottom to maximize efficiency. Each buffer tube has ball-bearing rollers to tighten the...HKP-02716$254.95 -
H&K HK P30, P30L, P30S, USPC, P2000 - 9mm Recoil Spring
H&K Heckler & Koch
$24.95Recoil Spring New HK German manufacture recoil spring for guide rod. A must-have spare part and a common consumable item. Compatible With: USP Compact 9mm P2000 9mm P30, P30L & P30S 9mm modelsHKP-01560$24.95 -
H&K HK21 (7.62x51/.308) Recoil Spring
H&K Heckler & Koch
$79.95New HK Factory 21 Recoil SpringHKP-00238$79.95 -
H&K MP5 9mm Flash Hider - 3-Lug
H&K Heckler & Koch
$164.95H&K MP5 9mm Flash Hider - 3-Lug This part attaches to the end of any factory specification 9mm 3-lugged barrel. This flash hider does not require the use of threads as it attaches to the 3-lug tip, this is also a great addition for any of the 3-lug...HKP-00082$164.95 -
H&K UMP (.40 S&W/.45 ACP/9mm) Paddle Mag Release
H&K Heckler & Koch
$16.95UMP Paddle Magazine Release This is a common repair and replacement part as they are easy to break on the UMP lower. Simple and easy to install with no gunsmith needed or required. Compatible With: UMP .45 UMP .40 UMP 9mm Please Note: This...HKP-00810$16.95 -
HKP Universal Extended Magazine Spring
HKP HK Parts
$11.95Universal Extended Magazine Spring For HK Parts Extensions. This universal extended magazine spring fits most of our extensions from the VP9 to the Mark 23 extension kits. These are also the correct replacement spring for the +7 and +10 VP9 extensions. A...HKP-20324$11.95 -
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 -
Sale
Soviet Civil Guard Gas Mask Kit - Military Black
Now: $13.95Was: $19.95Soviet civil guard gas mask kit military black Small - Medium New Soviet civil guard gas mask kit in the military black fits small - medium. Gas masks was stored by the Soviets for the event of nuclear, biological or chemical attacks and were to be...HKP-21355Now: $13.95Was: $19.95 -
Grayguns HK USP Compact Straight Trigger
Grayguns
$95.00Grayguns HK USP Compact Straight Trigger Designed by Keith Hosey, Grayguns’ director of gunsmithing, the HK USPC Straight Trigger is a first-of-its-kind. The trigger reduces over-travel while featuring a 90-degree optimal trigger break...HKP-21073$95.00 -
Out Of Stock
H&K 30 Round HK MP5, MP5K LEO Marked 9mm Magazine - Used
H&K Heckler & Koch
$0.00HK German MP5 30 Round Magazine Laser Etched LEO MarkingsUsed In good shape. H&K German MP5 9mm 30 round magazine. All Mp5 mags are police department trade in mags with the laser etched LEO / Restricted markings. Great for that official...HKP-20517$0.00 -
H&K 9 Round HK P2000SK .40 S&W Magazine - Black
H&K Heckler & Koch
$49.00HK P2000 SK 9 Round Magazine - .40 Cal This magazine holds 9 rounds of .40 S&W ammunition with a flat floorplate. Great magazine for concealed carry or a lower profile. Compatible With: P2000SK .40 P2000SK .357HKP-02489$49.00 -
H&K 91/G3 (7.62x51/.308) Fixed Stock Complete - Black - Surplus
H&K Heckler & Koch
$129.95German G3, 91, PTR Stock complete - Surplus Used black German surplus stock complete. Ready to install on your HK or clone rifle. Used in perfect working condition and each stock includes all parts to be a complete stock ready to use on your HK G3, 91,...HKP-18936$129.95 -
H&K Bungee Single Point Sling - 1250mm Long
H&K Heckler & Koch
$109.95H&K Bungee Single Point Sling - 1250mm Long New factory HK German manufactured single point elastic "push/pull" bungee style sling. Includes the factory sling hook and is fully adjustable for the average sized mag to use. Will fit any HK application...HKP-17604$109.95 -
H&K HK MP5 & HK 94 Slimline Forearm - Black
H&K Heckler & Koch
$69.95H&K HK MP5 & HK 94 Slimline Forearm - Black Used German military slimline forearm refinished and cerakote in a black finish. Modified to fit the MP5 & SP5. These are rare items only offered here at HK Parts. Each item is in good to...HKP-20274$69.95 -
HKP HK MR556/CR556/MR762 H-Key 5 Rail Segment
HKP HK Parts
$24.95HK MR556, CR556 & MR762 HKey Rail Segment - 5 Slot 5 picatinney slot rail segment for the new "HKey" style forearm. Each rail section is designed to fit and attach to any of the new HKey style forearms now being shipped on the MR556, CR556, MR762 and...HKP-17842$24.95 -
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 -
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 -
Out Of Stock
Beta C-Mag 100 Round MP5/MP5K/SP5/SP5K 9mm Drum Magazine
Beta C-Mag
$0.00100 Round Beta C-Mag For HK MP5, MP5K 9mm Weapon System This part is the top-of-the-line package from the Beta Company and the only 100-round drums available for the MP5, HK94, or clones. Each combo unit includes the clear backed (to enable you to...HKP-00088$0.00 -
H&K 33/91/G3 Triple Frame Front Sight Tower
H&K Heckler & Koch
$19.95Front Sight Tower Triple Frame G3/33 - German G3 triple frame all steel factory German front sight tower. Perfect for HK builds as well as HK-AK style sight conversions and builds. Compatible With: HK G3 HK G3K HK 93 HK 33HKP-18778$19.95 -
H&K 91/G3/MSG90 (7.62x51/.308) 10 Round Magazine - Steel
H&K Heckler & Koch
$89.9510 Round Magazine - Steel This part counts as 1 US-made part for 922r compliance for HK rifles. This magazine was made by Heckler and Koch and converted to ten rounds in the United States using the US-made floorplate. Compatible With: HK 91 HK G3 HK...HKP-01607$89.95 -
H&K Cocking Tube End Cap Spring
H&K Heckler & Koch
$4.95H&K Cocking Tube End Cap Spring Fits all German, Contract & US made cocking tube end caps. A great spare to have on hand as this part can become worn and be lost. The cocking tube end cap spring applies pressure to the cocking tube end cap/dust...HKP-17980$4.95 -
H&K MP5 & 93/53/33 (9mm & 5.56/.223) SEF Navy Style Polymer Housing - Push Pin
H&K Heckler & Koch
$129.95H&K MP5 & 93/53/33 (9mm & 5.56/.223) SEF Navy Style Polymer Housing - Push Pin Upgrade your older SEF contoured trigger pack with this Navy Style polymer housing, designed to enhance the look and feel of your HK firearm. Specifications: Push...HKP-02462$129.95 -
Out Of Stock
HKP 2 Point Leather Sling - OD Green
HKP HK Parts
$49.95HKP 2 Point Leather Sling - OD Green 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. Made in the USA from quality leather and...HKP-20164$49.95 -
HKP HK SP5/K 9mm Thread Protector - Threaded 1/2x28
HKP HK Parts
$19.95HKP/H&K SP5/K 9mm Thread Protector - Threaded 1/2x28 An essential replacement thread protector for lost or damaged thread protectors & caps. This part is compatible with all factory specification SP5 barrels. Specifications: Made In The...HKP-21375$19.95 -
Out Of Stock
HKP HK USP Red Dot Pistol Mount - Black
HKP HK Parts
$49.95HKP HK USP Red Dot Pistol Mount - Black Red Dot mounting plate to allow the use of a Burris Fast Fire, Docter, Vortex Venom or other similar specs Red Dot Sights. Compatible With: HK Full Size - USP 9mm HK Full Size - USP .40 HK Full Size - USP .45 (Not...HKP-18898$49.95 -
HKP MP5 Flat Brim Snapback Hat - OSFM
HKP HK Parts
$22.99HKP MP5 Flat Brim Snapback Hat - OSFM Get your hands on some of our premium hats! Features: Official HKP merchandise 5" wide HKP logo Cotton twill Mesh back panels Plastic adjustable snap closure Size: OSFM Six-panelHKP-21451-M$22.99 -
PTR Universal Windage Adjustment Knob For Rear Sight
PTR
$9.95HK 90 Series Hand Windage Adjustment Knob For Rear Sights Steel windage screw that allows you to adjust the windage for the rear sights with a quick and easy adjustment without the use of a screwdriver as found on the factory rear sight screws. Perfect...HKP-01444$9.95 -
Out Of Stock
RCM HK P30 9mm Barrel - Threaded 1/2x28 RH
RCM
$225.00RCM HK P30 9mm Barrel - Threaded 1/2x28 RH 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 threaded replacement barrel available...HKP-20824$225.00 -
Sale
Sig Sauer 30 Round SIG P320 9mm Magazine - Coyote
Sig Sauer
Now: $44.95Was: $59.95Sig Sauer 30 Round SIG P320 9mm Magazine - Coyote Features: 9mm luger caliber 30 rounds magazine capacity Black steel body Coyote tan floorplate Compatible With: Sig Sauer P320 M17 full size pistolHKP-20310Now: $44.95Was: $59.95 -
Vertical Grip With LED Light & Quick Detach Mount
UTG
$89.95UTG Vertical Grip With LED Light & Quick Detach Mount Features: UTG combat aluminum foregrip with integral LED flashlight Cree Q5 LED diodes Integrated reflector and light bulb to provide instant spot focus for clear object...HKP-13184$89.95 -
Franklin Armory / HKP HK MP5K Binary Trigger Group – 2 Round Engraved Binary Housing
FA Franklin Armory / HKP
$1,449.95 - $1,499.95Franklin Armory / HKP HK MP5K Binary Trigger Group – 2 Round Engraved Binary Housing Our latest and greatest binary trigger group was delivered with a factory HK German housing professionally engraved and painted with a 2-round burst pictograph to...HKP-21114-M$1,449.95 - $1,499.95