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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$29.95 -
HK G36, SL8 Forearm With Heat Shield - Black
H&K Heckler & Koch
$115.99HK G36 & SL8 Forearm With Heat Shield - Black New HK German G36 & HK SL8 handguard with heat shield & bipod attachment & sling loop point. A drop in part for your HK G36 or SL8 rifle.HKP-00271$115.99 -
HKP 53 (5.56/.223) Cocking Tube - Lefties
HKP HK Parts
$99.95HK53 Length Cocking Tube - For Left Handed Shooters New HK53, HK51 cocking tube made in the US. Made to the exact HK specifications as the factory HK53 German cocking tube. This is the only factory correct HK53 cocking tube available as HK Germany does...HKP-19028$99.95 -
HKP AR-15 Commercial Buffer Tube Kit
HKP HK Parts
$47.95AR-15 Commercial Buffer Tube Kit Compatible With: HK MR556 & 416 All AR-15 style platforms Includes: Made with T7 7075 aircraft-grade aluminum Made in the USA with a polished inside tube Mil-Spec triple hard coat Teflon anodized...HKP-02736$47.95 -
Sale
HKP HK 93/53/33 (5.56/.223) AR-15 Style Stock Adapter
HKP HK Parts
Now: $174.95Was: $199.95PTR Manufactured AR15 to HK 93,33,53 series stock adopter assembly. Each adopter unit will allow the use of AR15 stocks on your HK 93,33,53, C93/C53 or HK94, MP5 firearm. Each assembly includes the following: Factory Correct HK 93, 33, 53, back...HKP-16255Now: $174.95Was: $199.95 -
Out Of Stock
HKP HK G36K Barrel
HKP HK Parts
$499.95HKP HK G36K Barrel Brand new HK G36K barrel made from 416 stainless steel and nitrided, uninstalled & unfired. The G36K barrel uses a factory German or USA spec G36K/G36C gas block. Counts as one USA made complaint part. Perfect for the SL8/G36 style...HKP-18194$499.95 -
KDG HK MR556 10" M-LOK Rail System - FDFE
KDG Kinetic Development Group
$374.95Rail System - 10" - Brown - M-LOK - HK MR556 The New KDG HK 556 M-LOK rails are direct mount rail system, replacing the factory HK 556 rail systems. These new rails are identical in design to their big brother, the KDG HK 762 M-LOK Rail system. Like the...HKP-19240$374.95 -
SB Tactical Pistol HK93/33/53 SBA4 Stabilizing Brace
SB Tactical
$349.95SB Tactical Pistol HK93/33/53 SBA4 Stabilizing Brace Designed for all platforms capable of accepting a mil-spec carbine receiver extension, the SBA4 is 5-position adjustable and features an integral, ambidextrous QD sling socket. Includes: Factory...HKP-19929$349.95 -
Timney Triggers HK93 & HK33 .223/5.56 2-Stage Trigger
Timney Triggers
$479.95Timney Trigger for - HK93, HK33 The Timney HK93 trigger is factory-set with a two pound first stage and a two pound second stage that elevates the platform so the shooter can achieve the utmost in accuracy.This offering comes complete with a Factory...HKP-20509$479.95 -
B&T BT APC.223/5.56/.300 3 Position Telescopic Stock - Black
B&T Brugger & Thomet
$589.95B&T BT APC.223/5.56/.300 3 Position Telescopic Stock Swiss made B&T telescopic for the APC223, ACP556 and APC300. This is a military grade stock as supplied by B&T to military and law enforcement units world-wide. Compatible...HKP-18312$589.95 -
Out Of Stock
BETA C-Mag 100 Round HK G36 Mag System
Beta C-Mag
$0.01100 Round Beta C-Mag for HK G36 These drums are designed with clear back covers to enable you to see your round count. This magazine is the top-of-the-line package from The Beta Company. This works in any weapon system that takes the...HKP-21205-M$0.01 -
Out Of Stock
Beta C-Mag 100 Round HK MR556/416 5.56/.223 Drum System
Beta C-Mag
$0.00100 Round Beta C-Mag For The HK416 & MR556 Firearms These drums are designed with clear back covers to enable you to see your round count. This works in any weapon system that takes the standard AR-15 magazines. This part is...HKP-02418$0.00 -
Geissele HK 416 10.5" M-LOK Handguard - DDC
Geissele
$468.95Geissele HK 416 10.5" M-LOK Handguard - DDC The super modular rail HK416 MK15 M-LOK was designed to replace the standard rail on an HK416 or MR556 weapon platform. The rail system utilizes the stock HK barrel nut, but incorporates the strength, rigidity...HKP-20225$468.95 -
GSG9 HK G36 Complete Bolt Carrier
GSG9
$529.95HK G36 Bolt Carrier Complete with Handle Compatible With: G36 G36K G36C Will NOT work with a HK SL8hkp-18984$529.95 -
GSG9 HK G36/SL8 (5.56/.223) Barrel Retaining Nut
GSG9
$53.00HK G36 & SL8 Barrel Retaining Nut - USA Made in the USA. Compatible With: SL8 (all models & variants) G36E G36K G36C All other G36 VariantsHKP-18252$53.00 -
H&K 10/30 Round HK G36 Magazine Floor Plate - Black
H&K Heckler & Koch
$9.95H&K 10/30 Round HK G36 Magazine Floor Plate - Black New factory German G36 30 round and 10 round magazine floor plate.HKP-16381$9.95 -
Out Of Stock
H&K 30 Round HK MR556/416/AR-15 5.56 Magazine - RAL 8K
H&K Heckler & Koch
$74.95HK 416/MR556 30 Round Magazine - RAL 8000 Heckler & Koch reliability and durability in a 30 round 5.56 mm Polymer Magazine. Designed to provide optimal ammunition feeding for any M16/M4/AR15-type weapon, the HK 30-Round Polymer Magazine can be used...HKP-18780$74.95 -
H&K 33/53 (5.56/.223) Picatinny Rail For Barrel Shroud
H&K Heckler & Koch
$199.95HK33/HK 53 Picatinny Rail For Barrel Shroud HK33 and HK53 Picatinny Rail For Barrel Shroud. New old stock German manufactured.HKP-18993$199.95 -
H&K G36/SL8 (5.56/.223) Bolt Hold Open Catch
H&K Heckler & Koch
$59.95H&K G36/SL8 (5.56/.223) Bolt Hold Open Catch New HK German manufacture. Compatible With: SL8-1 SL8-6HKP-16378$59.95 -
$7.95 -
Out Of Stock
H&K HK G36 Sight Rail w/ Mechanical Sights - Black
H&K Heckler & Koch
$0.00Sight Rail with Mechanical Sights - G36 Low profile rail with built-in mechanical sights. Made from aluminum. Overall length 18". Compatible With: G36 G36K G36CHKP-18729$0.00 -
H&K HK SL8 Adjustable Buttstock Piece - Black
H&K Heckler & Koch
$39.95HK SL8 Adjustable Buttstock Piece - Black Newer style that is black in color. Please note that the pic shows a gray unit but this offering is all black.HKP-17837$39.95 -
H&K HK SL8 Adjustable Buttstock Piece - Used - Gray
H&K Heckler & Koch
$19.95HK SL8 Adjustable Buttstock Piece Gray in Color - USEDHKP-20051$19.95 -
$139.95 -
H&K HK SL8 German Barrel
H&K Heckler & Koch
$999.95H&K HK SL8 German Barrel A rare find. Brand new unfired, uninstalled. German CFH HK proof marked HK SL8 barrel. For those that want a brand new replacement barrel or a new HK barrel for a custom project this is the barrel to have. Only a few...HKP-16355$999.95 -
Out Of Stock
H&K HK SL8, HK G36 Match Hammer - Black
H&K Heckler & Koch
$0.00German HK SL8 & G36 Match Hammer A hard to find factory HK SL8 & G36 match hammer. Finally after years of searching the G36 match hammer is available. Compatible With: HK SL8-6, SL8-1, Sl8-4 G36, G36K, G36C All G36 & HK243 modelsHKP-17721$0.00 -
H&K HK SL8-1 Locking Lever Elbow Spring
H&K Heckler & Koch
$9.95HK SL8-1 Locking Lever Elbow SpringHKP-16398$9.95 -
$7.95 -
HKP HK G36C Forearm - FDE
HKP HK Parts
$109.95HK G36K Forearm With Hand Stop & Heat Shield New forearm with heat shield & hand stop fits all HK G36C's or SL8/G36 conversions sized for the G36C barrel. Each unit also features the hand stop with sling attachment points. Hard mounting...HKP-19302$109.95 -
HKP HK MR556/416 Upper 8" 416C Style Conversion Kit
HKP HK Parts
$1,285.95MR556 & HK416 Upper Conversion Kit - 8" - HK 416C Style Finally an answer for all of those that have been wanting as close to the original, rare unicorn of a find HK 416C 8" barrel conversion kit for 416 or MR556. Each conversion kit upper or barrel...HKP-18629$1,285.95 -
HKP HK PSG1/93/33 (5.56/.223) MSG90 Style Match Barrel
HKP HK Parts
$499.95HK PSG-1, MSG-90 Style 556,223 HK 93, HK 33 Match Barrel: This is the finest PSG1 barrel you can get for your custom HK93, SG1, PSG1 style build in .556. Built on trusted tooling to HK specifications. Perfect for that custom build or the for the...HKP-17008$499.95 -
KDG HK MR556 10" M-LOK Rail System - Black
KDG Kinetic Development Group
$374.95Rail System - 10" - Black - M-LOK - HK MR556 The New KDG HK 556 M-LOK rails are direct mount rail system, replacing the factory HK 556 rail systems. These new rails are identical in design to their big brother, the KDG HK 762 M-LOK Rail system. Like the...HKP-19246$374.95 -
Magpul AR-15 ACS Stock - Mil-Spec
Magpul
$139.95Magpul AR-15 ACS Stock - Mil-Spec The patent-pending Magpul ACS (Adaptable Carbine/Storage) mil-spec model is a drop-in replacement butt-stock for AR15/M16 carbines using mil-spec-sized receiver extension tubes. Similar to the Magpul CTR, the ACS also...HKP-01134$139.95 -
RCM HK53K (5.56/.223) Barrel - Threaded 15x1 RH
RCM
$164.95RCM HK53K (5.56/.223) Barrel - Threaded 15x1 RH These are the finest US-made barrels available and come highly recommended by HKParts. Specifications: Made In The USA Threaded 15x1 RH Counts As 1 US Made 922r Compliant Part Cold Hammer Forged...HKP-02400$164.95 -
Tommy Built HK G36 AR/Stanag Magwell - FDE
Tommy Built
$279.95AR/Stanag Magwell - G36 - FDE Stanag/AR Magwell for the G36/SL8 Platform. This replacement magwell allows the use of standard AR15 Style Magazines. This is a direct magwell swap and should not require any modification or special tools. These are black...HKP-19385$279.95 -
Blade Tech HK G36 Rifle Magazine Pouch - Black
$39.95HK G36 PMAG Magazine Pouch Positive magazine retention without cumbersome flaps. Fully adjustable with tensioning screws. Features: Custom-modeled Kydex construction Fully adjustable with Tek-Lok locking mechanism Color: Black Bullets facing...HKP-15156$39.95 -
Out Of Stock
F5 MFG 50 Round AR-15 Skeletonized Drum Magazine
F5 MFG
$189.9550 Round Drum - AR15, M4 - Skeletonized The F5 AR15 Skeletonized Drum is one if not the most compact and versatile 50 round magazines ever produced for the AR-15 in 5.56, .223 & 300 AAC Blackout. Designed and built primarily from aluminum and steel,...HKP-16554$189.95 -
Out Of Stock
German HK53 A2 Navy Parts Kit Complete - Used
H&K Heckler & Koch
$0.00HK German HK53 A2 Factory Parts Kit Complete Less De-milled Receiver. Each Parts Kit Includes:HK German Desirable 1/7 Twist Factory Cold Hammer Forged BarrelHK Ambidextrous SEF or Navy Trigger Group (Your Choice Of Lower)Factory HK 53 Wide Forearm (not...HKP-01125$0.00 -
Out Of Stock
GSG9 G36K Gas Piston Rod/Spring Assembly
GSG9
$59.95HK G36K Gas Piston Rod/Spring Assembly - USA New spring assembly that is a must have for spare parts or to use on that HK Sl8-G36 conversion. This is the proper length gas piston to be used for a 12.5" G36K style length gas block and barrel assembly...HKP-18249$59.95 -
Sale
GSG9 HK G36C (5.56/.223) 4 Prong Flash Hider - Threaded 15x1 RH - USED - BLEMISHED
GSG9
Now: $39.95Was: $86.95GSG9 HK G36C (5.56/.223) 4 Prong Flash Hider - Threaded 15x1 RH - USED - BLEMISHED USED. COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Finest quality 4-prong...HKP-00631-BNow: $39.95Was: $86.95