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
HKP HK 91/G3 & PTR Bench Mat
HKP HK Parts
$24.95HK G3, HK91 & PTR 7.62 Bench, Gunsmithing Repair Mat Our HK G3 bench mat is the perfect cleaning & repair mat designed specifically for your HK G3 models. Have fun and learn while you work on your favorite H&K firearm. The soft top protects...HKP-17283$24.95 -
HKP HK Mark 23 Picatinny Adapter
HKP HK Parts
$99.95HK Mark 23 Picatinny Rail Adapter Our new Mark 23 Picatinny rail adapter mount provides attachment points for any tactical light or laser setup that attaches by way of a Picatinny rail. Made from aircraft-grade aluminum, hard-coated...HKP-21180$99.95 -
On Sale
HKP/H&K UMP/USC (.40 S&W/.45 ACP/9mm) Enhanced Top Receiver Rail - BLEMISHED
HKP HK Parts
Now: $29.95Was: $49.95HKP/H&K UMP/USC (.40 S&W/.45 ACP/9mm) Enhanced Top Receiver Rail - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The extended length allows...HKP-14541-BNow: $29.95Was: $49.95 -
Out Of Stock
RCM HK MP5-E 9mm Bolt Head
RCM
$264.95RCM HK MP5-E 9mm Bolt Head MP5-E bolt head is a drop in upgrade for all MP5/MP5K.HKP-20954$264.95 -
AIM Sports 4x Prismatic Scope w/ Riser
AIM
$109.954X32 TRI ILLUMINATED SCOPE W/FIBER OPTIC SIGHT ARROW PLX RETICLE 4 X 32 Prismatic Scope With Illuminated Reticle. The optic is 100% shock resistant, recoil and fog proof, as well as entirely nitrogen filled. Features tri-illumination (red, blue &...HKP-19534$109.95 -
Lazy Wolf HK Reduced Power Hammer Spring - 12 lb.
Lazy Wolf
$9.95Lazy Wolf HK Reduced Power Hammer Spring - 12 lb. An exciting new offering as a joint collaboration from the widely renowned pistol smith Lazy Wolf Guns & HK Parts! This custom spring was designed exclusively by master trigger smith Rick Holm at LWG...HKP-18148$9.95 -
PTR HK MP5K Tactical Tri-Rail - Black
PTR
$89.95Tactical Tri-Rail - Black - MP5K Our new modular tactical forearm comes with 3 rails on the left, right and bottom. That are removable and adjustable for you own taste and mission requirements. Made from aircraft grade aluminum and steel components...HKP-16765$89.95 -
XS Sight Systems HK VP9 R3D Night Sights Optics Ready Suppressor Height - Orange
XS Sight Systems
$142.99XS Sight Systems HK VP9 R3D Night Sights Optics Ready Suppressor Height - Orange R3D might sights feature traditional 3-dot tritium, notch and post, sight picture. The tritium front sight comes equipped with our proprietary photoluminescent orange glow...HKP-20582$142.99 -
H&K 33/91/93/G3 (5.56/.223) & (7.62x51/.308) Triple Frame Front Sight Tower
H&K Heckler & Koch
$14.95HK German Front Sight Tower Triple Frame- Used Surplus Used G3 triple frame in Good shape. Just needs a good refinishing. Comes complete with sight blade and roll pin installed. Used surplus pulled from HK German demilled G3's Comaptible With: HK 91 HK...HKP-16734$14.95 -
H&K HK MP5 German 9mm Trigger Pack Complete F/A Roller Sear, XX Struted/Pinned Hammer
H&K Heckler & Koch
$499.95H&K MP5/K 9mm Full Auto Complete Trigger Pack This factory HK German MP5 9mm full auto trigger pack is offered as it was originally configured by HK Germany. It has been carefully preserved from a demilled 1980s production MP5 and comes complete with...HKP-19342$499.95 -
H&K HK MR556/416 Slim Line Stock - RAL 8K
H&K Heckler & Koch
$249.95HK 416A5, HK416 & MR556 Slim Line Retractable Stock - RAL 8000 New from HK Germany the slim line retractable stock fits all commercial & mil-spec AR-15/M16 buffer tubes. Marked with the HK logo and issued on specialized HK 416, MR556 rifles...HKP-17602$249.95 -
H&K HK P Series Cocking Piece LEM
H&K Heckler & Koch
$69.95HK P Series Cocking Piece LEM Compatible With: HK P30 HK P30L HK P30SK HK P2000 HK P2000SKHKP-01769$69.95 -
On Sale
HKP HK VP9/VP9L Optics Plate - EPS - BLEMISHED
HKP HK Parts
Now: $29.95Was: $49.95HKP HK VP9/VP9L Optics Plate - EPS - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. These are good EPS optic plates but were engraved with the...HKP-21285-BNow: $29.95Was: $49.95 -
H&K 91/G3 (7.62x51/.308) Complete F/A Trigger Pack (SEF) - Used
H&K Heckler & Koch
$299.95H&K G3/91 (7.62x51/.308) SEF Complete F/A Trigger Pack - USED A Heckler & Koch genuine part. The best price anywhere for a complete surplus German trigger pack. This offering is a full auto HK SEF .308 trigger pack complete with all internals...HKP-00522$299.95 -
Out Of Stock
H&K HK 30 Round MP5/SP5 & MP5K/SP5K 9mm Magazine - Red
H&K Heckler & Koch
$99.95New German - H&K MP5, SP5, SP5K, MP5K 9mm - 30 Round Curved Magazine - Red Heckler & Koch factory fresh magazine from this current year's production. 9mm 30 Round curved all-steel magazine stamped "Made In Germany". These are the finest...HKP-19971$99.95 -
H&K HK21 FMP Parts Kit, 7.62x51
H&K Heckler & Koch
$1,788.95H&K HK21 FMP Parts Kit, 7.62x51 Seize your opportunity to secure a piece of history! These HK21 parts kits were manufactured by the Portuguese government under license from HK using HK's tooling, dies, and prints. Each HK21 kit has been...HKP-21393$1,788.95 -
H&K MP5 & MP5K 9mm Magazine Locking Plate
H&K Heckler & Koch
$16.95HK MP5 & MP5K Magazine Locking Plate - German New steel HK German manufactured MP5, MP5K curved magazine locking plate for the magazine. Compatible With: 40-round magazine 9mm 30-round magazine 9mm 20-round magazine 9mm 15-round magazine...HKP-01490$16.95 -
HK G36K/G36C Tri Rail Set Complete - Black
UTG
$64.95HK G36C, G36K, & G36 .22LR Bottom & Side Rail Set Universal Picatinny mounting rail system, mounting screws, and hex wrench. This system includes the bottom, left, and right side tactical rails (3 rails total). This set of rails will fit all HK...HKP-00272$64.95 -
HKP +5 HK VP9SK/P30SK Magazine Extension Kit - Black
HKP HK Parts
$39.95HKP +5 HK VP9SK/P30SK Magazine Extension Kit - Black Adds 5 additional rounds to the HK VP9SK/P30SK 10 Round magazine with the simple swap of the floor plate & high reliability mag spring. This is an easy 2 min. swap. No gunsmithing needed. Ultra low...HKP-18494$39.95 -
Geissele HK 416 Trigger
Geissele
$529.95HK 416 SSF Trigger- Geissele This is the newer production Generation II trigger kit. Compatible With: HK 416 Select Fire full auto firearms Each Trigger comes with full installation instructions Please note: After installing the MR556 trigger you must...HKP-16477$529.95 -
H&K 13 Round HK USPC/P2000 9mm Magazine Body
H&K Heckler & Koch
$27.9513 Round HK USPC & P2000 9mm Magazine Body Each unit comes with the LEO markings on the mag body. Compatible With: USPC 9mm P2000 9mmHKP-02502$27.95 -
H&K HK 416 Full Auto Ambidextrous 3-Position Selector Lever Kit
H&K Heckler & Koch
$139.95HK416 Full Auto Ambi Selectors Kit - German HK Each set comes complete with everything you will need to upgrade your HK 416 to an ambi selector lever set up. Factory correct German HK and all steel construction. Includes: 2 X selector levers 2 X roll...HKP-17552$139.95 -
HKP HK USP 9/40 Compensator
HKP HK Parts
$199.95HK USP 9/40 Compensator The HK Parts USP 9/40 compensator will add a sleek and tactical look to your USP. With the quick and easy addition of our compensator you will add plenty of benefits. This compensator reduces recoil and therefore allows you to...HKP-20813$199.95 -
Lazy Wolf VP F3 Full Flat Face Series Trigger - Red
Lazy Wolf
$134.95Lazy Wolf VP F3 Full Flat Face Series Trigger - Red In a collaboration with Lazy Wolf Guns, HK Parts is offering aftermarket triggers for your HK VP9 & VP40 handguns. The drop in VP9 series trigger is the best trigger ever developed after more than a...HKP-19153$134.95 -
RCM HK VP9L 9mm Tactical Barrel - Threaded 1/2x28 RH
RCM
$262.50RCM HK VP9L 9mm Tactical Barrel - Threaded 1/2x28 RH Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement barrel for the HK VP9L 9mm pistol,...HKP-19203$262.50 -
Out Of Stock
B&T Ambidextrous Sling Pin - Small
B&T Brugger & Thomet
$58.95B&T Ambidextrous Sling Pin - Small Replaces the small push pin to allow a sling attachment point on either the left or right side of the firearm. Each measures: 6x29mm with rubber o-ring and net screw.HKP-16886$58.95 -
HKP (9mm & 5.56/.223) Thread Protector For Barrels - Threaded 1/2x28
HKP HK Parts
$14.95HKP (9mm & 5.56/.223) Thread Protector For Barrels - Threaded 1/2x28 A must-have accessory to safeguard the threads on your threaded barrel, this thread protector is the finest available. It is the standard thread protector included with all HKPARTS...HKP-02646$14.95 -
HKP .40 S&W Micro Comp - Threaded 9/16x24
HKP HK Parts
$29.95HKP .40 S&W Micro Comp - Threaded 9/16x24 The HK Parts Micro Comp & Thread Protector is a lightweight, fully functional device that combines the benefits of a compensator and a thread protector. Designed for easy attachment to any factory spec...HKP-19956$29.95 -
HKP 9mm Thread Protector - Threaded 13.5x1 LH
HKP HK Parts
$19.95HKP 9mm Thread Protector - Threaded 13.5x1 LH This standard thread protector is perfect as a replacement or backup. It fits 9mm barrels with 13.5x1 LH threading. Specifications: Threaded 13.5x1 LH Compatible With: HK...HKP-20745$19.95 -
HKP HK G36/SL8 Family Armorer's Manual
HKP HK Parts
$19.95HK G36 & HK SL8 Family Armorer's Manualf This manual is the most comprehensive manual available for the G36 & SL8 family of firearms. The manual covers the G36 & SL8 family in-depth to include all aspects of history, origin, makeup,...HKP-00627$19.95 -
HKP SEF Short Axle Selector Lever For Metal Trigger Housings - Extended
HKP HK Parts
$69.95HKP SEF Short Axle Selector Lever For Metal Trigger Housings - Extended HK steel SEF Extended selector lever. Fits all metal HK grip frames. Please note that the polymer (plastic) style SEF housing uses the long axle SEF selector lever and not this...HKP-19026$69.95 -
Choate HK 91/G3 (7.62x51/.308) Complete Tactical Folding Stock
Choate
$179.95HK91, G3, & PTR Folding Stock With Adjustable Length Of Pull - Tactical Stock This stock is adjustable by two inches when using the innovative spacer system. It comes fully assembled and ready to drop on your favorite HK. The adjustable length system...HKP-01951$179.95 -
On Sale
H&K 91/G3 (7.62x51/.308) Complete Trigger Pack - Semi Auto - BLEMISHED
H&K Heckler & Koch
Now: $199.95Was: $348.95HK German SEMI .308 Trigger Pack Complete THIS IS A BLEMISHED ITEM THAT IS COSMETIC ONLY. THIS ITEM IS SOLD AS IS AND NOT ELIGIBLE FOR A RETURN. HK German manufactured trigger pack complete with all the parts being professionally converted from a factory...HKP-00217-BNow: $199.95Was: $348.95 -
HKP 17 Round HK VP9/P30 Extended Magazine Spring For +5 Extensions
HKP HK Parts
$8.95Extended Magazine Spring - HK 17 Round Magazine For Use With The +4 or+5 Extension - HK VP9, HK P30 This Extended Magazine spring fits VP9 and P30 9mm 17 round magazines with the HK Parts +4 and +5 Extension Base Plates. A must-have item when using...HKP-19297$8.95 -
HKP HK USPC Red Dot Pistol Mount - Black
HKP HK Parts
$49.95HKP HK USPC 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. Replaces rear sight to allow the mounting of a Red Dot Sight to your HK pistol listed...HKP-18899$49.95 -
Zenith 30 Round HK MP5 Monkey Subsonic Labeled Magazine
Zenith
$43.95Zenith 30 Round HK MP5 Monkey Subsonic Labeled Magazine Easily identify a magazine loaded with supersonic rounds versus a magazine loaded with subsonic rounds. Features: Durable electro-plated black finish for exceptional corrosion resistance All steel...HKP-20916$43.95 -
H&K 91/G3 (7.62x51/.308) Rear Sight Assembly - Used-Excellent
H&K Heckler & Koch
$18.95HK German G3, 91, PTR Rear Sight Assembly - Used Excellent Condition HK German factory sight with rear sigh detent and detent spring installed. These sights are the finest hand-picked, sorted sights available at a fraction of the cost of a new $85 set...HKP-02229$18.95 -
H&K Roller Sear For SEF, Navy Trigger Packs
H&K Heckler & Koch
$29.95H&K Roller Sear For SEF & Navy Trigger Packs It is the newer style, not the older friction type of sear. This item is also referred to as the catch with a roller but is more commonly called a sear.HKP-01710$29.95 -
H&K UMP/USC (.45 ACP) Magazine Loader
H&K Heckler & Koch
$49.95HK German Factory USC & UMP .45 Magazine Loader Fits all HK German UMP .45 25-round magazines as well as the USC 10-round factory magazines. A great addition for your range time and to avoid those sore thumbs. Compatible With: German HK UMP .45...HKP-00606$49.95 -
Handguard Rail System Screw - HK416
H&K Heckler & Koch
$25.95HK416 Factory Handguard Rail System Screw This part has the "X" marked version where the bolt head and/or the HK sling hook tool can be utilized to tighten and release the screw pressure. This part is also compatible with the...HKP-02680$25.95