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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HKP MP5 40/10 Receiver Flat
HKP HK Parts
$399.95MP5 40 & MP5 10mm Receiver Flat - USA The new and latest production with the weldment locations is already lasered and ready to go. This flat is the finest available for the MP5 40/10 family of firearms. Compatible With: MP5 .40 Cal MP5 10mm MP5 ...HKP-00767$399.95 -
KES HK MP5 Buttstock
Safety Harbor Firearms
$279.95KES HK MP5 Buttstock The all-new KES is designed to fit the MP5 pattern pistols/rifles. Specifications: Guide rods slide into the existing slots present on the receiver Rods machined to go underneath the reinforcing piece welded onto the rear of the...HKP-21086$279.95 -
Mil-Tec .45 ACP Pistol Bore Snake
Mil-Tec
$6.95Mil-Tec .45 ACP Pistol Bore Snake Features: Bore python is hand or machine washable Cleaning bronze brush Easy operating Portable Compatible With: All Cal 45, 11, 43-44 caliber pistols Instructions for Use: -Place end with brass fitting down...HKP-19764$6.95 -
On Sale
Sig Sauer SIG P365 .380 10-Round Magazine - Black
Sig Sauer
Now: $35.95Was: $49.95P365 MICRO COMPACT 10RD .380 MAGAZINE Flush-fit 10-round steel magazine for the P365 micro-compact pistol. Compatibile With: SIG P365 micro-compact pistol NOT compatible with the P365X or P365XLHKP-20311Now: $35.95Was: $49.95 -
H&K MP5 & MP5K "F" Bolt Head Complete
H&K Heckler & Koch
$499.95MP5 & HKSP5, MP5K & SP5K F Bolt Head Complete - HK German This part will fit all HK 9mm rifles and MP5 pistols. This is the latest HK production and generation of bolt heads available. These are rare and HK now considers them restricted...HKP-00130$499.95 -
H&K MP5 & MP5K Stop Pin, Axle Set For Bolt Carrier
H&K Heckler & Koch
$14.95MP5 & MP5K Stop Pin, Axle Set For Bolt Carrier Each set is designed to keep the locking piece clocked at the correct location and in place when the stop axle and pin set are installed in the carrier. This item can become damaged...HKP-02558$14.95 -
HKP 5.56/.223 Laser Bore Sighter
HKP HK Parts
$19.95HKP 5.56/.223 Laser Bore Sighter Red Laser Bore Sight-.223 Laser bore sight system. Each unit comes complete with batteries (3)and instructions for operation. Easy to use and priced so that every shooter can have one for each caliber of firearm that they...HKP-16218$19.95 -
HKP HK 416 Ejection Port Axle
H&K Heckler & Koch
$4.95Ejection Port Axle - Steel- HK 416 New HK USA manufacture for the HK 416 family of firearms. This is the axle that holds the ejection port cover in place on the upper receiver.HKP-20039$4.95 -
HKP HK G3 Operator Depot Level Repair Manual
HKP HK Parts
$23.95HKP HK G3 Operator Depot Level Repair Manual This is an older repair manual and the difference is the sections on field and depot repair. This manual has 124 pages, 35 pages of explanations, instructions, and pictures of the depot-level repair and...HKP-15223$23.95 -
HKP HK G3 Repair Manual
HKP HK Parts
$15.95HK G3, 91, PTR Repair Manual This manual contains parts 3 and 4 of the G3 Rifle Manual for the G3, which is the full auto version of the HK91. Part 3 is for troop repair and part 4 contains field repairs. This manual is NOT a heavy-duty...HKP-15212$15.95 -
HKP Registered Sear Pack - Re-Timed Hammer
HKP HK Parts
$198.95HKP Registered Sear Pack - Re-Timed Hammer - USA This part is the necessary addition for all registered sear conversions in 9mm, 40/10, 223, and.308 trigger packs. Protect your valuable investment by using the proper re-timed hammer for your sear pack...HKP-00153$198.95 -
JMAC Customs SS-8R w/ 1913 Folding Mech
JMAC Customs
$265.99JMAC Customs SS-8R w/ 1913 Folding Mech Skeleton stock 8" rise with our own 1913 folding mech (not assembled) 2x integrated QD sling socket 8" length 0.275" cheek rise Drilled and tapped for optional cheek risers (will be available in the future) 7075...HKP-20147$265.99 -
MFI PTR (.556/.223) G28 Style Flash Hider - Threaded 5/8x24 RH
MFI
$79.95MFI PTR (5.56/.223) G28 Style Flash Hider - Threaded 5/8x24 RH The G28 2nd Gen flash hider is designed for 2016 and later PTR production models, as well as other firearms with 5/8x24 threaded barrels. This flash hider features a deep counter...HKP-17940$79.95 -
RCM HK 45C .45 ACP Tactical Barrel -Threaded .578x28 RH
RCM
$270.00RCM HK 45C .45 ACP Tactical Barrel -Threaded .578x28 RH This HK45C & HK45C Tactical threaded barrel is designed for compatibility with a wide range of flash hiders and sound suppressors. Unlike the factory HK45C Tactical barrel with 16x1 LH...HKP-17449$270.00 -
RCM HK P2000 9mm Tactical Barrel - Threaded 1/2x28 RH
RCM
$225.00RCM HK P2000 9mm Tactical Barrel - Threaded 1/2x28 RH Each P2000 tactical barrel is crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. It is the finest threaded replacement barrel for the HK P2000 9mm...HKP-16700$225.00 -
Out Of Stock
RCM HK P30SK & P2000SK 9mm Barrel - Threaded 13.5x1 LH
RCM
$225.00RCM HK P30SK & P2000SK 9mm Barrel - Threaded 13.5x1 LH Each HK P2000SK & P30SK tactical barrel is finely and painstakingly made from ordnance grade steel, heat-treated, and finished inside and out in the ultra-desirable nitride finish...HKP-19307$225.00 -
SB Tactical - B&T - HK MP5 Swiss Folding Brace - Skeletonized
SB Tactical, B&T Brugger & Thomet
$299.95B&T MP5, SP5 Folding Brace - Swiss/USA - Skeletonized Factory Swiss B&T MP5, SP5 folding pistol brace with the SB Tactical/B&T components assembled. A rare offering using the B&T Swiss manufactured folding polymer end cap with sling...HKP-21052$299.95 -
Strike Industries HK 416 .22LR Dual Folding Brace with Adapter
Strike Industries / HKP
$349.95Strike Industries Dual Folding Stock & Brace with HKP 416 .22LR Adapter The Strike Dual Folding Adapter paired with our HK 416 .22LR picatinny adapter is one of the best options on the market for those looking for weight reduction and a compact...HKP-21409$349.95 -
UTG Quick Detach Low Profile Folding Grip
UTG
$49.95UTG Quick Detach Low Profile Folding Grip Features: Unique knurled surface for the most solid grip Smart Posi-Lock cross bolt and spring tensioned locking plate with steel insert for the most secure installation Fully adjustable quick detachable...HKP-15029$49.95 -
Blitzkrieg PTR Chevron Front Sight Gen 2 - Luminescent Green
Blitzkrieg Components
$56.99Blitzkrieg PTR Chevron Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight delivers a fast, bold sight picture with a sharp, precision aiming point. Designed for easy installation, it eliminates the need for tools by using a...HKP-20451$56.99 -
Comp-Tac HK USP International Comp Carry Holster
Comp-Tac
$89.95Comp-Tac HK USP International Comp Carry Holster The International Holster is an outside-the-waistband holster with a modular mounting design, giving the user 16 holster options in 1. Designed to be worn in the 3 o'clock position, this holster is perfect...HKP-21121-M$89.95 -
GSG9 HK G36, HK G36K Folding Stock - Black
GSG9
$115.00HK G36 Full Length Stock HK G36 10.5" Stock complete for G36 firearms. The G36/G36K stock is the longest stock option for the G36 family of firearms. For those that would like a shorter stock choose the G36C length stock. Each stock comes complete with...HKP-18219$115.00 -
GSG9 HK SL8, HK G36 Magazine Release Axle Pin
GSG9
$10.95HK G36 & SL8 Magazine Release Axle - USA Mag release axle for all G36 & SL8 models. A must-have spare part. Made in the USA. Compatible With: G36 G36K G36K SL8 Other custom G36 type buildsHKP-18255$10.95 -
GSG9 HK SL8, HK G36 Magazine Release Spring
GSG9
$4.95HK G36 & SL8 Magazine Release Spring - USA Mag release spring for all G36 & Sl8 models. A must have spare part. Made in the USA. G36 G36K G36K SL8 Other custom G36 type buildsHKP-18254$4.95 -
H&K / HKP 22 Round HK VP9 9mm Enhanced Magazine Complete
H&K / HK Parts
$89.9522 Round Magazine Complete - 9mm - HK PARTS - HK VP9, HK P30 HP Parts' latest and greatest VP9/P30 enhanced magazine extension. Our new design represents a symbiotic balance of form and function. The added grooves enhance dexterity during those quick mag...HKP-21405-M$89.95 -
H&K 3 Point Green Sling-Used-Surplus
H&K Heckler & Koch
$55.00H&K 3 Point Green Sling-Used-Surplus German military surplus 3 point sling in good condition. Used but 100% operational and a great value for the money.HKP-16273$55.00 -
Out Of Stock
H&K 91/G3 (7.62x51/.308) Backplate & Recoil Rod Assembly Complete
H&K Heckler & Koch
$49.95HK German Backplate Assembly Complete: Excellent Refinished - German HK G3 backplate complete that has been refinished in black oxide. Great replacement for worn out or damaged backplates. Compatible With: G3 HK91 PTR 91 Custom clonesHKP-00355$49.95 -
H&K HK MR556/416 Magazine Catch
H&K Heckler & Koch
$49.95HK 416, MR556 Magazine Catch New HK German manufacture magazine catch for the HK 416 and MR556 family of firearms.HKP-15458$49.95 -
Out Of Stock
H&K HK USP .45 ACP Complete Slide
H&K Heckler & Koch
$499.95H&K HK USP .45 ACP Complete Slide HK factory date coded, un-serialized & German manufactured. These slides are and hard to find. Includes: Complete Slide Front & rear sights Firing pin Firing pin block Firing pin block spring 2 X 3 X 14mm...HKP-16723$499.95 -
H&K HK VP9/VP9SK, VP40 Right Side Slide Release - Black
H&K Heckler & Koch
$18.95Right Side VP9, VP40 Slide Release Lever Compatible With: HK VP9 HK VP9SK HK VP40HKP-16794$18.95 -
H&K MP5F, MP5 40,10 Factory Recoil Spring
H&K Heckler & Koch
$14.95HK German MP5 F 9mm & MP5 40/10 Recoil Spring - New Updated Version New latest HK German manufacture MP5 40/10 replacement recoil spring. Hard to find and a high wear and replacement item. Each spring replaces the MP5F recoil spring for the MP5 9mm...HKP-01061$14.95 -
H&K MP5K 9mm SEF Navy Style Trigger Housing - Push Pin
H&K Heckler & Koch
$159.95H&K MP5K 9mm SEF Navy Style Trigger Housing - Push Pin HK German factory SEF grip frame that has been cut to MP5K factory German specs. This style of housing is for push-pin firearms that do not require clipped and pinned housing...HKP-02463$159.95 -
H&K VP9, HK VP40 Backstrap - Small - Black
H&K Heckler & Koch
$29.95H&K VP9, HK VP40 Backstrap - Small - Black New HK German manufacture. Compatible With: HK VP9 HK VP40HKP-16814$29.95 -
HK G36/SL8 (5.56/.223) Extractor Axle
$6.95HK G36, SL8 Extractor Axle- US Made New extractor axle for use on all G36, Sl8 bolt heads. This part can become heavily worn and is prone to breakage. Compatible With: HK G36 models HK Sl8 modelsHKP-18370$6.95 -
Out Of Stock
HKP .45 ACP Knurled Micro Comp - Threaded .578x28 RH
HKP HK Parts
$29.95HKP .45 ACP Knurled Micro Comp - Threaded .578x28 RH This new .45 ACP Tactical Slotted Micro Comp fits all HK-spec .45 ACP full-size and compact barrels threaded .578x28 RH. Designed to be lightweight and fully functional as both a compensator and thread...HKP-21175$29.95 -
HKP MP5K/SP89/SP5K 9mm Cocking Tube
HKP HK Parts
$84.95MP5K, SP89, MP5K-N, MP5K-PDW Cocking Tube - USA This part is built to exact HK German specifications. The only MP5K cocking tube on the market that is a duplicate from factory HK German prints and specs. Compatible With: HK MP5K, SP89,...HKP-01838$84.95 -
Out Of Stock
Lazy Wolf VP F2 Full Flat Face Series Trigger - Blue
Lazy Wolf
$134.95Lazy Wolf VP F2 Full Flat Face Series Trigger - Blue In a collaboration with Lazy Wolf Guns, HK Parts is offering quality aftermarket triggers for your HK VP9 & VP40 handguns. The drop in VP9 series trigger is the best trigger ever developed after...HKP-19540$134.95 -
RCM HK VP40 .40 S&W To .357 SIG Conversion Barrel - Non-Threaded
RCM
$237.50RCM HK VP40 .40 S&W To .357 SIG Conversion Barrel - Non-Threaded Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest barrel for the HK VP40...HKP-17373$237.50 -
On Sale
Walther 20 Round UZI .22 Magazine Spring
Walther
Now: $1.95Was: $3.95Walther 20 Round UZI .22 Magazine Spring Uzi .22LR 20 round magazine spring for the Uzi, Walther, Umarex .22 pistol. A good supply of spare mag springs is a must. These are ideal to have on hand as the spring can become damaged or worn out. New fresh...HKP-15592Now: $1.95Was: $3.95 -
ETS 40 Round HKVP9 9mm Magazine - Translucent
Elite Tactical Systems
$26.9940 Round Magazine - Elite Tactical Systems - 9mm - HK VP9 Features: Extended 40-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-19523$26.99