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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
H&K Enhanced Buffer Tube
H&K Heckler & Koch
$199.95FDE HK 416, MR556 OTB (over the beach) Buffer Tube, Receiver Extension - Commercial Genuine HK German manufactured 416 & MR556 latest generation, marine environment & over the beach buffer tube. Each commercial buffer tube has built in drainage...HKP-18499$199.95 -
H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Clipped & Pinned
H&K Heckler & Koch
$179.95H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Clipped & Pinned New German-made Heckler & Koch grip housing comes in black polymer clipped and pinned, ready to drop on your HK 91, HKG3, PTR-91, or other HK .308 type build. Accepts...HKP-00513$179.95 -
H&K HK 30 Round 416, HK MR556 5.56x45mm/.223 Maritime Magazine - TiN
H&K Heckler & Koch
$149.95HK 416 & MR556 30 Round Maritime Magazine - TiN Coated Get your hands on some TiN coated factory Heckler & Koch magazines. Each magazine starts out as a fresh 30 round mag before being professionally dsiassembled, TiN coated, and...HKP-21468$149.95 -
H&K HK G3, HK 91 Locking Piece - Used
H&K Heckler & Koch
$14.95H&K HK G3, HK 91 Locking Piece - Used HK German Locking Piece For HK G3 & HK 91- USEDThis is the factory correct 45 degree locking piece for HK 91/G3 firearms. Used pulled from demilled firearms and will range in condition but perfectly usable.HKP-16712$14.95 -
H&K HK G36C Gas Piston Rod Spring Assembly - Black
H&K Heckler & Koch
$89.95HK German G36C Gas Piston Rod & Spring Assembly - Complete A must-have item for HK G36C conversions from G36 to SL8's or for spares for your G36C. New HK German factory OEM part. A high wear and replacement part and a must-have for spare parts.HKP-00353$89.95 -
H&K HK Mark 23 Recoil Assembly Compression Spring
H&K Heckler & Koch
$19.95Mark 23 Recoil Assembly Compression Spring Brand new HK German recoil spring for the HK Mark 23 or SOCOM .45 Pistol. A high wear item that needs to be changed & replaced often as this is a consumable part.HKP-16644$19.95 -
H&K HK MR556/416 Handguard Picatinny Quad Rail - FDE
H&K Heckler & Koch
$549.95H&K HK MR556/416 Handguard Picatinny Quad Rail - FDE Handguard with Picatinny Quad Rail profile on 3, 6 and 9 o'clock, STANAG 4694 profile on 12 o'clock. New HK German. Compatible With: HK 416 A5 - 14.5" HK 416 A5 - 16.5" HK 416 A5 - 20"HKP-18553$549.95 -
Out Of Stock
H&K HK MR762/417/G28 Adjustable Buttstock - Black
H&K Heckler & Koch
$397.95HK G28 Fully Adjustable Stock For The MR762 & HK 417 - Black Just in and hard to find. The HK G28 adjustable stock upgrade is to be used on the MR762, HK417 stocks with the G28 buffer tube and G28 castle nut. The G28 stock is fully adjustable for...HKP-16721$397.95 -
H&K HK P2000 9mm Recoil Spring Assembly
H&K Heckler & Koch
$89.95HK P2000 9mm Recoil Spring Assembly Spring guide rod with buffer complete. Compatible With: HK P2000 9mmHKP-01559$89.95 -
H&K HK P2000 Back Strap w/ Safety - Medium - Black
H&K Heckler & Koch
$39.95HK P2000 Back Strap w/ Safety - Medium - Black This will not fit the SK models but will fit all HK P2000 standard models.HKP-01566$39.95 -
H&K HK P30 Series Right Slide Release Lever - Black
H&K Heckler & Koch
$49.95HK P30 Series Right Slide Release Lever - BlackHKP-01880$49.95 -
H&K HK USPC/P30/P30L/45/45C .45 ACP Trigger Bar
H&K Heckler & Koch
$36.95New HK German Factory Trigger Bar Compatible With: HK USP 45, USP .45 Tactical HK 45, HK45 Tactical HK45C, HK45C Tactical HK P30 HKP30L HK P30SHKP-01255$36.95 -
H&K HK VP/P30/45 Factory Rear Sight
H&K Heckler & Koch
$59.95HK Factory Rear Sight Compatible With: VP9, VP9SK, VP40 HK45 HK45 Compact HK P30 9mm HK P30 40 HK P30L 9mm HK P30L 40 Please Note: Will not fit VP9 Optic Ready (OR) series of pistols.HKP-02161$59.95 -
H&K HK VP40 Right Side Charging Support - Black
H&K Heckler & Koch
$4.95H&K HK VP40 Right Side Charging Support - Black Compatible With: HK VP40 NOT for use with the VP9HKP-17685$4.95 -
H&K HK VP9/VP9SK, VP40 Polymer Support Sleeve - Black
H&K Heckler & Koch
$8.95H&K HK VP9/VP9SK, VP40 Polymer Support Sleeve - Black New HK German VP9 & VP40 support sleeve made of polymer. A great replacement part to have on hand as they are easily marred when you depress the sleeve to access the firing pin or slide plate.HKP-16830$8.95 -
Out Of Stock
H&K MP5, MP5K 9mm, Ambidextrous Navy Trigger Pack
H&K Heckler & Koch
$0.00H&K MP5/K 9mm Ambidextrous Navy Style Trigger Pack Designed for HK MP5 and MP5K 9mm ambidextrous housings and selector levers, this trigger pack features a Navy-style configuration with three positions: Safe, Semi, and Full. It offers the classic...HKP-16971$0.00 -
H&K MP5K & SP89 9mm SEF Navy Style Housing - Clipped & Pinned - LIKE NEW
H&K Heckler & Koch
$149.95H&K MP5K & SP89 9mm SEF Navy Style Housing - Clipped & Pinned - LIKE NEW Each housing is clipped and pinned and fitted for the semi auto shelf of the HK MP5K builds or SP89 firearms. Specifications: Made In Germany Clipped & Pinned Used...HKP-20617$149.95 -
Sale
H&K No Compromise T-Shirt - Small - Red
H&K Heckler & Koch
Now: $12.95Was: $18.95HK No Compromise T-Shirt - Red with Black HK Logos and print. Small Heckler & Koch logo on front chest with large black HK logo on back with crosshair outline and No Compromise logo at the top. This shirt is tagless and 50/50 blend of cotton and...HKP-17206Now: $12.95Was: $18.95 -
H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Notched Disk - Safe/Fire
$8.95HK Ratched Wheel, Notched Disk G36, SL8 0,1 (Safe & Fire) Only Compatible With: HK UMP HK USC HK G36 HK SL8 (0,1 or S,F only)HKP-19070$8.95 -
H&K USP/45/45C New Style Bobbed Hammer
H&K Heckler & Koch
$59.95HK USP, USPC & HK45 & HK45C Bobbed Hammer - New Style This has the shorter, lower-profile "bobbed" hammer. The new style hammer has a cutout for 2005 and later production. Compatible With: USP 9mm & USP Compact 9mm USP 40 & USP Compact...HKP-01589$59.95 -
HK G36/SL8 (5.56/.223) Bolt Head Ejector Pin
$6.95HK G36/SL8 (5.56/.223) Bolt Head Ejector Pin HK Ejector roll pin for G36, SL8 bolt heads. This item is the pin that holds the ejector & ejector spring in place. A common wear & replacement item and a must have when doing bolt head maintenance...HKP-18372$6.95 -
HK MP5/94 3 Position Semi-Only Trigger Group 5 US Made Compliant Parts w/ Flat Trigger
$649.95Trigger Group - Semi-Only - 3 Position - 5 US Made Compliant Parts with Flat Trigger - MP5/94 Ambidextrous Trigger Group - Semi Auto - 5 U.S Parts Includes: Housing Hammer Sear Flat trigger Trigger box Push pin housing if c/p is needed please add the...HKP-19939$649.95 -
HK MP5K & SP89 - FBI Trigger Group Complete
H&K Heckler & Koch
$749.95HK MP5K & SP89 - FBI Trigger Group Complete New HK German. This is a great upgrade and investment for your HK SP-89 or MP5K clone. This trigger group is clipped and pinned and ready to install on your HK, with all the latest HK upgraded parts...HKP-00401$749.95 -
$20.95 -
Out Of Stock
HK SL8/G36 Extended Bolt Hold Open Lever
H&K Heckler & Koch
$59.95HK SL8 & G36 Extended Bolt Hold Open Lever New HK German SL8, G36, HK243 bolt hold open lever. A must have upgrade for your HK SL8, Sl8-G36 conversion or G36 firearm. The HK bolt hold open lever is a drop in replacement and requires zero gunsmithing...HKP-17719$59.95 -
HK94, SP89 Original Plastic Grip For Metal Housing
H&K Heckler & Koch
$49.99H&K 94 & SP89 Original Plastic Grip For Metal Housing This original plastic grip is designed for use with metal housing setups. Specifications: Original Plastic Grip Compatible With: HK SP89 HK 94 HK 91 HK 93HKP-01423$49.99 -
Sale
HKP - ACR TO SP5K Adapter - BLEMISHED
HKP HK Parts
Now: $79.95Was: $139.95HKP - ACR TO SP5K Adapter - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. We now offer the best option to convert the ACR Stock to be compatible with...HKP-20844-BNow: $79.95Was: $139.95 -
HKP AR-15 Commercial Buffer Tube
HKP HK Parts
$24.95AR-15 Commercial Buffer Tube Compatible With: HK MR556 & 416 All AR-15 style platforms Features: Made From T7 7075 Aircraft grade aluminum Made in the USA 6 Position Each features a highly polished inside tube Black Mil-spec triple hard coat...HKP-02728$24.95 -
Out Of Stock
HKP HK 416 Upper Receiver
HKP HK Parts
$489.95US Made Complete HK 416, MR556 Style Upper Receiver New US made HK416/MR556 style upper receiver. Includes: Upper receiver Forward assist assembly Ejection port door assembly Piston guide Compatible With: HK MR556 HK MR223 HK 416 Need a...HKP-17783$489.95 -
HKP HK G36/SL8 (5.56/.223) Cocking Handle
HKP HK Parts
$49.95Cocking Handle For G36 & SL8 Bolt Carriers - USA New USA made charging handle ideal for a 922 repalcement part. Made in the USA.HKP-18251$49.95 -
HKP HK MP5 (.40 S&W) Locking Roller -2
HKP HK Parts
$11.95HK US MP540 Undersized Locking Roller, -2 The proper roller size is essential for proper headspacing of bolt gap.HKP-17563$11.95 -
HKP HK MP5 40 Locking Roller -4
HKP HK Parts
$11.95HK US MP540 Undersized Locking Roller, -4 The proper roller size is essential for proper headspacing of bolt gap.HKP-17561$11.95 -
Sale
HKP HK MR556/416 Upper 8" 416C Style Conversion Kit w/ Handguard
HKP HK Parts
Now: $1,119.95Was: $1,495.95MR556 & HK416 Upper Conversion Kit - 8" - HK 416C Style Finally an answer for all of those that have been wanting as close to the original HK 416C 8" barrel conversion kit for 416 or MR556. Each upgrade kit is as close as you can get to a factory HK...HKP-18628Now: $1,119.95Was: $1,495.95 -
Sale
HKP HK VP40 Gen 2 Rail Mount Compensator - BLEMISHED
HKP HK Parts
Now: $109.95Was: $169.95HKP HK VP40 Gen 2 Rail Mount Compensator - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Specifications: Length: 4 1/4 inches Height: 2 1/2...HKP-19170-BNow: $109.95Was: $169.95 -
HKP HK VP9 +5 Magazine Extension Kit - Bronze
HKP HK Parts
$54.95Magazine Extension Kit +5 – HK VP, HK P30 HK PARTS magazine extension +5 kit adds 5 additional rounds to the HK VP9/P30 magazine with the simple swap of the floor plate & high-reliability mag spring. This offering is simply the finest +5 mag...HKP-20805$54.95 -
HKP HK VP9, VP9SK, VP40 Firing Pin Striker
HKP HK Parts
$39.95Firing Pin, Striker For HK VP9, VP9SK & VP40 - USA New firing pin that fits all models of VP series pistols. Compatible With: HK VP9, VP9 tactical, VP9L, VP9 OR HK VP9SK VP40, VP40 tacticalHKP-20464$39.95 -
HKP HK45C Railok™ Compensator - Black
HKP HK Parts
$189.95HK Parts Railok™ Mounting System Compensator: H&K HK45C 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-21224$189.95 -
HKP MP5 to AR Adapter & Stock Complete
HKP HK Parts
$229.95HKP MP5 to AR Adapter & Stock Complete Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct H buffers to protect your expensive firearm. This is the finest AR stock...HKP-17119$229.95 -
HKP P30 9mm Fluted Barrel - Threaded 13.5x1
HKP HK Parts
$229.95HKP P30 9mm Fluted Barrel - Threaded 13.5x1 Made from ordnance grade steel, heat treated, and finished with durable nitride. Each fluted barrel includes an O-ringed thread protector that will not loosen or fall off during range sessions...HKP-21443$229.95 -
Sale
HKP/H&K P30/P30L .40 S&W Micro Comp - Threaded 9/16x24
HKP HK Parts
Now: $39.95Was: $49.95HKP/H&K P30/P30L .40 S&W Micro Comp - Threaded 9/16x24 The HK Parts Micro Comp & Thread Protector is a lightweight, dual-function device serving as both a compensator and thread protector. It attaches easily to any factory spec...HKP-20369Now: $39.95Was: $49.95