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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AIM HK to AR15
AIM
$54.99AIM HK to AR15 The Aim Sports Inc HK to AR15 stock adapter for AR15 stocks. Works with any Mil-spec buffer tube and castle nut to use any Mil-spec AR15/M16 stock of your choice on your HK rifle, SBR, or pistol. With our adapter, you can use your existing...HKP-20891$54.99 -
B&T Folding Stock/Length Adjustable Helmet Stock Section - Used
B&T Brugger & Thomet
$49.95B&T HK MP5K, SP5K, SP89 Folding/Adjustable Helmet Stock Section Used stocks taken from demilled Swiss Police MP5's. A great stock and value at a great price. Swiss made B&T folding and length adjustable helmet stock for the HK MP5, MP5K and...HKP-19784$49.95 -
Bore Boss Pull-Through Bore Cleaner - .357/9mm/.38
Bore Boss
$10.95Real Avid Bore Boss Pull-Through Bore Cleaner - .357/9mm/.38 From the barrel of innovation comes the ultra-compact Bore Boss, the first-ever self-storing, easy-feeding, clean-pulling, field-ready, hassle-free, pure-genius bore cleaner. The single-piece...HKP-19400$10.95 -
DTAC Picatinny Rail For HK Receivers - 15 Slot
DTAC Dakota Tactical
$74.95Original Dakota Tactical Picatinny Rail To Weld To The Receiver Mil-Spec all steel picatinny rail in the white, relief cut for HK receivers & made for mounting scopes and optics to HK builds. This unit easily welds to the top of your HK receiver...HKP-17819$74.95 -
Ergo Picatinny Rail Hand Stop
Ergo
$11.95Ergo Picatinny Rail Hand Stop Compatible with all Picatinny rails and adds a positive stop. Useful on short-barrel rifles and shotguns and can act as a hand-positioning device.HKP-14527$11.95 -
Sale
ETS 12 Round HK VP9SK 9mm Magazine - Translucent
Now: $12.95Was: $16.9930 Round Magazine - Elite Tactical Systems - 9mm - HK VP9SK Features: Extended 12-round capacity Base plates interchangeable with ETS line of 9mm double stack magazines. Due to the wide variety of extensions for Glock, our mag base is designed to be...HKP-19198Now: $12.95Was: $16.99 -
Grayguns HK P7M8, PSP, P7M13 Trigger Return Spring
Grayguns
$35.00Grayguns HK P7M8, PSP, P7M13 Trigger Return Spring The Grayguns HK P7 Trigger Return Spring was designed due to the dwindling availability of parts for the highly popular Heckler & Koch P7. The Grayguns spring is a direct replacement for the...HKP-19760$35.00 -
H&K 12 Round HK Mark 23 Magazine Spring
H&K Heckler & Koch
$9.95HK German Mark 23 Magazine Spring - 12 Round A must have repair and replacement spring for your HK Mark 23 Socom Mags. Compatible With: HK Mark 23 12 round magazinesHKP-01427$9.95 -
Out Of Stock
H&K 21E/23E (7.62x51/.308) & (5.56/.223) E Clip For Carry Handle
H&K Heckler & Koch
$7.95HK German "E" Clip For Carry Handle For HK21 & HK23E folding carry handles. Clips are sold individually.HKP-00579$7.95 -
H&K G3 (7.62x51/.308) Parts Kit
H&K Heckler & Koch
$497.95HK German G3 .308/7.62 X 51mm Surplus Parts Kit Each parts kit comes with all parts from a functional HK G3 full auto rifle that was demilled into a parts kit except for the barrel and receiver. Each part of the parts kit will vary from fair to excellent...HKP-00827$497.95 -
H&K HK 416/MR556 Trigger Guard Assembly
H&K Heckler & Koch
$54.95HK MR556 & HK 416 Trigger Guard Assembly New HK German part that protects the trigger from an accidental discharge. Compatible With: HK 416 HK MR556HKP-02545$54.95 -
H&K HK USP/USPC/45 Series Complete Sear - Black
H&K Heckler & Koch
$34.95Complete Sear - Black Compatible With: HK USP Full-Size 9mm, .40 & 45 HK USP Compact 9mm, .40 & 45 HK45, HK45 Tactical HK45C, HK45C TacticalHKP-01173$34.95 -
H&K HK416 Full Auto Ambi Selector Lever Kit - 3 Position Polymer Selectors
H&K Heckler & Koch
$159.95HK416 Full Auto Ambi Selectors Kit - German HK - 3 Position Each set comes complete with everything you will need to upgrade your HK 416 to an ambi selector lever set up. The HK 416A5 polymer selector levers will be helpful for a quick visual...HKP-20398$159.95 -
Out Of Stock
H&K MP5 Factory Ambidextrous Sling - Black
H&K Heckler & Koch
$79.95HK MP5F 25mm wide Factory German Ambidextrous Sling - Black For use with all HK weapon systems or MP5 that is set up to have sling clip attachment points for both left and right sides (similar to the HK green ambidextrous sling).HKP-00350$79.95 -
H&K SP5K Spec Only 9mm SEF Navy Style Housing - Clipped & Pinned - USED
H&K Heckler & Koch
$149.95H&K SP5K Spec Only 9mm SEF Navy Style Housing - Clipped & Pinned - USED Hand-selected for the highest quality, these "like new" H&K SP5K SEF style trigger housings have been meticulously clipped and pinned to fit the correct SP5K style shelf...HKP-20064$149.95 -
HK G36/SL8 Dual Optic Replacement Battery
$14.95HK G36 & SL8 Dual Optic Replacement Lithium Battery The proper battery with the proper voltage for all HK dual optic units. Please Note: Standard AA batteries WILL NOT work. You need this specialized battery for the optic to function...HKP-00009$14.95 -
HKP G3/33/91/93 Bipod Replacement Feet Set - Steel
HKP HK Parts
$18.95HKP G3/33/91/93 Bipod Replacement Feet - Set of Two (2) Replacement feet set for original H&K bipods. Our replacement feet are suitable to replace both steel and plastic feet in factory HK bipods. Each kit includes a left and right bipod foot...HKP-21310$18.95 -
HKP HK G36K, HK G36C Side Rail - Black
H&K Heckler & Koch
$24.95HK Aftermarket G36K/G36C Side Rail For Handguard This will fit the sides (left or right) of the forearm on the G36K and G36C forearms. Comes with all mounting hardware. Each rail is sold individually.HKP-00273$24.95 -
Out Of Stock
HKP HK UMP 2 Position Lower Grip Frame - Black
HKP HK Parts
$179.95UMP - 2 Position Lower Grip FrameNew UMP Lower. 2 position settings (S,F). Perfect for all your own internals. This item is ideal for the USC to UMP conversion or to keep as a spare. Each lower fits & works with the 45, 40 & 9mm calibers using...HKP-19382$179.95 -
HKP HK VP9/VP9SK, VP40 Hex Button Quick Detach Slide Plate - Black/Red
HKP HK Parts
$34.95HKP HK VP9/VP9SK, VP40 Hex Button Quick Detach Slide Plate - Black/Red The HK Parts quick detach slide plate for the HK VP series of pistols is ideal for those that want the ability of quickly and efficiently access the firing pin, sleeve assembly...HKP-18681$34.95 -
HKP HK VP9/VP9SK, VP40 Hex Button Quick Detach Slide Plate - Red
HKP HK Parts
$34.95HKP HK VP9/VP9SK, VP40 Hex Button Quick Detach Slide Plate - Red The HK Parts Quick Detach Slide Plate for the HK VP series of pistols is ideal for those that want the ability of quickly and efficiently access the firing pin, sleeve assembly. The...HKP-18111$34.95 -
HKP HK VP9SK EDC Tactical Magwell - Black
HKP HK Parts
$59.95HKP HK VP9SK EDC Tactical Magwell - Black Low profile, every day carry magwell for the HK VP9SK pistol. The low profile mag-well is designed for the average every day VP9SK owner. That would like the enhancements and competitive advantage a mag well...HKP-18164$59.95 -
HKP MP5 & HK94 Vented Wide Forearm - Horizontal
HKP HK Parts
$74.95HKP MP5 & HK94 Vented Wide Forearm - Horizontal New USA manufactured HK MP5 & HK94 vented wide handguard with The horizontal style vents. This style of venting allows better handling & superior barrel cooling abilities.HKP-16855$74.95 -
HKP MP5SD 9mm Barrel - Threaded 18x1
HKP HK Parts
$169.95HKP MP5SD 9mm Barrel - Threaded 18x1 Made in the USA from 416 stainless steel, this high-quality barrel undergoes the highly desirable nitride process for a super hard, durable finish. Precision milled to the latest specifications, it features...HKP-17755$169.95 -
KDG HK MR762, HK 417, HK G28 Ambidextrous Magazine Release - Black
KDG Kinetic Development Group
$169.95Magazine Release - Ambi - HK MR762, 417, G28 The HK 762 Ambi (Ambidextrous) Magazine Release. This is the first ambidextrous magazine release for the HK 417 variant rifles. The mag release is a lever instead of a button; where the release has been...HKP-19204$169.95 -
Magpul 25 Round PMAG M3 Magazine - 7.62x51/.308
Magpul
$24.95Magpul PMAG 25-LR 25-Round 7.62 NATO The 7.62x51 NATO (.308 Winchester) PMAG 25LR is a cost effective high reliability magazine for SR25/M110 pattern rifles featuring true 25-round capacity, constant-curve body, and snap on Impact/Dust Cover. Designed...HKP-16908$24.95 -
Out Of Stock
MP5 Wide Handguard with Pressure Pad
HKP HK Parts
$149.95MP5 Wide Handguard with Pressure Pad MP5 handguard removed from Swiss MP5 parts kits. Used in like new condition. Bottom rail with a Steiner right angle remote cable pressure pad switch. A good option for those that are looking to mount a light and run a...HKP-20838$149.95 -
NeoMag Medium 9mm & .40 Magazine Carrier
NeoMag
$34.95NeoMag Medium 9mm & .40 Magazine Carrier The NeoMag magazine carrier is the original magnetic pocket magazine holder. This magazine holder will accomodate all single and double stack magazines in 9mm and .40 S&W. Features: Titanium pocket clip -...HKP-18365$34.95 -
RCM HK34 MP5 9mm Barrel - Non-Threaded
RCM
$264.95RCM HK34/94 MP5 9mm Barrel - Non-Threaded Each non-threaded barrel is hand-selected from the finest cold hammer forged steel (CHF) 41V45 barrel blanks. Expertly profiled and chambered in the desirable 16 flute chamber profile. Each barrel is finished...HKP-00927$264.95 -
Strike Industries 22 Round HK VP9 9mm Magazine - Black
Strike Industries
$69.95Strike Industries 22 Round HK VP9 9mm Magazine - Black Strike Industries +5 magazine extension coupled with a 17 round factory German magazine body adds 5 additional rounds total for a fully assembled 22 round HK VP9. Each mag comes fully assembled...HKP-19608$69.95 -
Talon Grip HK Navy Style Lower Pistol Grip Granulate - Black
Talon Grip
$19.99Talon Grip HK Navy Style Lower Pistol Grip Granulate - Black TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and...HKP-20230$19.99 -
Tommy Built HK G36 Low Rise Top Rail - Black
Tommy Built
$249.95Tommy Built HK G36 Low Rise Top Rail - Black Billeted aluminum low-rise top rail for the SL8-6 & G36 series of rifles. This is the perfect mounting solution for optics. Crafted from the combat grade aluminum with a hard-coat anodized finish...HKP-20961$249.95 -
Trijicon RMR/SRO Low Picatinny Rail Mount
Trijicon
$94.95Trijicon Low Picatinny Rail Mount for RMR/SRO - RM33 Low Picatinny rail mount for RMR/SRO. Includes: Mount Optic mounting screws Distance From Top of Mounting Rail to Optical Axis: RMR: 0.768" SRO: 1.009" Slimline mounts, fits Picatinny railHKP-20335$94.95 -
B&T MP5 Handguard With LED Weapon Light -TL99
B&T Brugger & Thomet
$649.95B&T Model TL99 CREE LED Lit Handguard for HK MP5, 94 Models Each unit handguard is built with the integrated tactical LED light & 3 position switch. Specifications: High intensity torch light Focused beam Shock proof, waterproof Ambidextrous...HKP-16901$649.95 -
B&T Quick Detach Polymer Unigrip - Black
B&T Brugger & Thomet
$74.95B&T Quick Detach Polymer Unigrip This simple foregrip is designed to be mounted on the NAR/Picatinny rail of the firearm. The grip features an integrated storage compartment. Specifications: Color: Black Length: 5" (130mm) Weight: 113g Material:...HKP-18102$74.95 -
B&T USW A1 Complete Folding Stock Assembly - Black
B&T Brugger & Thomet
$162.45B&T USW A1 Complete Folding Stock Assembly New Swiss B&T manufactured tactical folding stock assembly. Includes polymer stock and all four hardware pieces as shown. Compatible With: USW-A1 Specifications: Polymer Folding stock 9.75" longHKP-18356$162.45 -
Bore Boss Pull-Through Bore Cleaner - 5.56mm/.223
Bore Boss
$10.95Real Avid Bore Boss Pull-Through Bore Cleaner - 5.56mm/.223 From the barrel of innovation comes the ultra-compact Bore Boss, the first-ever self-storing, easy-feeding, clean-pulling, field-ready, hassle-free, pure-genius bore cleaner. The single-piece...HKP-19402$10.95 -
Choate MP5 & HK94 Tactical Folding Stock
Choate
$224.95Choate MP5 & HK94 Tactical Folding Stock Each stock is adjustable from 10" to 12" using the included adjustable spacer system, which will allow a full 2" range in adjustment for the specific user or mission requirements. This will enable...HKP-00778$224.95 -
Ergo Sling Loop Rail Mount- Ambidextrous
Ergo
$29.95Ergo Sling Loop Rail Mount- Ambidextrous The ergonomic HK slide mount sling hook base provides an economical means for attaching an HK-style sling hook to all 1913 Picatinny rails. Perfect for mounting on a tactical rail system or other Picatinny forearm...HKP-14526$29.95 -
Ergo Tactical Grip For MR556/MR762-Black
Ergo
$54.95Ergo Grip PSG1 Style Grip For MR556 & MR762 Just in and a great upgrade if you want the PSG1 style grip frame for your HK MR556, MR762 & HK416, HK417, G28 firearm. The ergonomically enhanced ERGO Tactical Deluxe Grips fits all AR15, M16 and MR...HKP-17131$54.95