HK MR556/416 Series
Our extensive collection boasts a wide array of HK MR556 and HK 416 parts, including precision HK MR556 Barrels and durable HK 416 Stocks. Elevate your rifle's functionality with HK 416 Handguards and HK MR556 Triggers, designed for the discerning shooter seeking top-tier performance.
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HKP HK 416, Colt M4 .22 Match Trigger Upgrade Spring Kit
HKP HK Parts
$17.49HK 416 .22 & Colt M4 - .22 Match Trigger Spring Kit - Set of 3 Enhanced Springs: The HK Parts Match drop-in spring upgrade set will enhance your HK 416's trigger pull to an even smooth, crisp, and lighter pull that will promote better control,...HKP-17340$17.49 -
H&K 30 Round HK 416 .22LR Magazine - Black
H&K Heckler & Koch
$29.95HK, Umarex, Walther, HK416 - .22LR Magazine - 30 Round Magazine - BLACK Heckler & Koch Factory magazines are made to H&K specifications and tolerances using high quality materials that provide perfect fit, durability and reliability. Expect...HKP-19834$29.95 -
RennSteig 8 Piece Punch Set For HK Firearms
RennSteig
$34.95Metric Parallel Pin Punch Set With Guide Sleeves - German Manufacture - 8 Piece This punch set is the exact same set used in the HK Armorer classes and approved by HK for use when installing & removing the roll pins from HK pistols & rifles...HKP-16737$34.95 -
HKP HK 416 Pistol Brace Adapter/AR .22LR Stock Adapter
HKP HK Parts
$34.95Specifications: Fits: AR 22, HK /Walther 416 .22lr Manufactured: 100% made in the USA Easy to install no gunsmithing required machined from solid billeted alloy Hard coat anodized for a lifetime of useThis is for the ADAPTER ONLYHKP-17442$34.95 -
HK, Walther, Colt, .22LR 1/2 X 28 Barrel Adapter
USA
$29.95Barrel Adapter With Thread Protector M8 X.75 To 1/2 X 28 This custom adapter allows you to unscrew the stock flash hider and quickly and effortlessly convert the barrel to 1/2X28 threads. It can be mounted permanently and provides the perfect index...HKP-01845$29.95 -
H&K 30 Round HK MR556/416 5.56/.223 Maritime Magazine - Black
H&K Heckler & Koch
$59.00HK 416, MR556 30 Round Maritime Magazine - German HK The HK 416 and MR556 magazines will also fit all AR15/M16 variants. Designed to provide optimum ammunition feeding for any M16/M4/AR15-type weapon. Originally developed by HK for the British L85 (SA80)...HKP-00487$59.00 -
HKP Armorers Bench Block Tool
HKP HK Parts
Now: $9.95Was: $14.95HK Parts Armorers Puck Punch Bench Block Tool For All HK Firearms The HK armorers' puck punch bench block tool is standard issue at all HK armorers' courses. The purpose of the tool is to aid in installing axle and roll pins in your firearm while...HKP-17133Now: $9.95Was: $14.95 -
Black Dog Machine 50 Round HK 416 .22LR Magazine - Translucent
Black Dog Machine
$99.95HK, Walther, Umarex HK416 50 Round - .22 LR MagazineEach 50 round magazine fits the HK 416 .22 rifles & pistol models.Made in the USA by BDM exclusively for HKPARTS. Using an existing drum model that is tried and true. This is the only drum ever to...HKP-16236$99.95 -
Gear Head Works Tailhook Mod 1C - Black
Gear Head Works
$164.95The Patented Tailhook MOD 1C is 30% lighter and 30% more compact than or standard Mod 1. With a profile similar to the SCW Tailhook it truly is the most compact pistol brace on the market today. At less than an inch thick, it can be adapted to...HKP-19655$164.95 -
H&K German Sling Hook - Black
H&K Heckler & Koch
$8.95New old stock HK German sling hook. Made from steel not the cheap aluminum or zinc offerings found elsewhere. Made in Germany.Great For HK sling projects and for spares. The real deal. This is the sling hook that all others look up to. Hard to find. 1"...HKP-19433$8.95 -
Walther 20 Round HK 416/Colt M4 .22LR Magazine - Black
Umarex / Walther
$35.00HK, Umarex, Walther, HK416 .22LR Magazine - 20 Round Magazine Each magazine is the factory OEM magazine for all of the models above. Brand new factory fresh. This magazine is the perfect balance of magazine capacity size and fitment to the firearm...HKP-01748$35.00 -
HKP Vertical Grip - Picatinny Mount - Long
HKP HK Parts
$29.95This grip is by far the nicest grip we have encountered for the money. This rock solid grip is a must have for anyone that uses a vertical grip. This is the only vertical grip out there that offers a built in aluminum locking block for ease of security...HKP-15296$29.95 -
Overwatch Precision 32 Round MP5 Variants 9mm Magazine
Overwatch Precision
$29.95The Overwatch Precision Polymer magazine for MP5, MP5K variants is a 32-round 9mm polymer mag for HK MP5, SP5K, MP5K, SP5K, and factory spec HK MP5,MP5K style clones. Its unique and custom feed lip and follower geometry allows for reliable feeding and...HKP-20102$29.95 -
Holex Feeler Gauge Set - 20 Piece - German
HKP HK Parts
$14.95The perfect companion tool for all HK roller lock firearm owners. Each tool includes 20 feeler gauges from .05mm-1.0mm in .05 increments. To help users and shooters maintain the factory recommended bolt gap. This is the exact same tool set used in the...HKP-17212$14.95 -
HKP Chamber Face Brush For All Barrels
HKP HK Parts
$25.99HKP Chamber Face Brush For All Barrels This brush was made to clean the hard-to-reach and hard-to-clean barrel face. This is a must-have addition for cleaning your HK firearm. This item will fit all standard 8-32 US thread cleaning rods. Compatible...HKP-00140$25.99 -
Walther 20 Round HK 416/Colt M4 .22LR Magazine - Gray
Walther
$24.95HK, Umarex, Walther, HK416 .22LR Magazine - 20 Round Magazine Brand New Walther German manufactured 20 round .22 cal magazine. Compatible With: HK 416 .22 Colt M4 .22 HK G36 .22 Beretta ARX 160 .22 Hammerli Tac .22 This is the factory OEM magazine for...HKP-14554$24.95 -
HKP HK 416 .22 Picatinny Pistol Brace Adapter/Stock Adapter
HKP HK Parts
$69.95CNC billet machined 100% in the USA from one piece of aircraft grade aluminum. Each adapter was fitted for optimal use on the HK 416 .22 Pistol models with a seamless fit. Each unit has a left and right side QD attachment point as well as a solid...HKP-19742$69.95 -
HKP Single Point Sling - HK Style - Black
HKP HK Parts
$34.95HK Single Point Sling in BlackSpecifications: Composition: Thick, all black, heavy-duty Cordura nylon Style: Bungee-type design for positive retention and control Connection: HK sling hook attachment point with elastic coverMade in the USA and comes...HKP-02644$34.95 -
H&K HK MR556/416 Gas Block Roll Pin
H&K Heckler & Koch
$7.95HK 416 & MR556 Gas Block PinThis is the retaining pin for an HK 416 gas block. A must have as HK says you have to use new pins once they are removed.5 x 18 mmHKP-02534$7.95 -
HKP Vertical Grip - Picatinny Mount - Short
HKP HK Parts
$29.95Stubby Vertical Grip For Picatinny Rail- HK Style This grip is by far the nicest shorter style or stubby grip we have encountered for the money. This rock solid grip is a must have for anyone that uses a vertical grip. This is the only vertical grip out...HKP-16409$29.95 -
HK, Walther, Colt, .22LR Barrel Adapter O-Ring
USA
$2.95HK, Walther, Umarex 416, Colt M4 or MP5-A5 .22 Barrel Adapter O-Ring.Made from the highest quality & very durable Viton material. The O-ring on the adapter can tear with use or become brittle over time. Be sure to grab a few extra rings with your...HKP-17379$2.95 -
H&K HK MR556/416 Enhanced Buffer Spring
H&K Heckler & Koch
$19.95Enhanced HK German MR556/416 Buffer Spring The HK MR556/416 buffer spring will also work with other AR-15 and M-16 rifles. This is the finest AR15 style buffer spring available. A high wear item and a must have replacement part. Compatible With: HK...HKP-00039$19.95 -
Walther 10 Round HK 416/G36/Colt M4 .22LR Magazine - Black
Walther
$35.00HK, Walther, Colt, Beretta - HK416 .22 - 10 Round Magazine Impact-resistant polymer construction. Thumb-assisted loading button. Heavy-duty spring-steel mag spring. Compatible with: HK 416 .22 Colt M4 .22 Beretta AR160 HK G36 .22 Hammerli Tac .22HKP-01747$35.00 -
Magpul PMAG 30 Round AR-15 5.56 / .223 Magazine-Windowed
Magpul
$15.95The Gen M3 PMAG is a 30-round 5.56x45 NATO (.223 Remington) polymer magazine for AR15/M4 compatible weapons. Modified internal and external geometry also permits operation with a wide range of non Colt-spec platforms such as the HK 416 and MR556A1,...HKP-16441$15.95 -
HK 416, MR556 & MR762 Battle Grip With Storage - Black
$52.95HK 416-A5, MR556-A5 & MR762, HK 417 Battle Grip With Storage Compartment - BlackV7 New HK German V7 factory battle grip with a storage compartment in the bottom of the grip. Each grip will fit all AR-15/M-16 Lower Receivers As Well. Superior fit...HKP-17678$52.95 -
HKP Armorer's Tool Kit
HKP HK Parts
$67.95HK Parts Armorers Puck Punch Bench Block Tool 8 Piece German Rennsteig Punch Set 20 Piece German Feeler Gauge SetHKP-18659$67.95 -
HKP Universal M-LOK Short Grip
HKP HK Parts
$29.95Short Vertical Grip For M-LOK This grip is by far the nicest shorter style or stubby grip we have encountered for the money. This rock solid grip is a must have for anyone that uses a vertical grip. Just like the other full-size offering,...HKP-20681$29.95 -
H&K Single Point Sling - Quick Detach - Black
H&K Heckler & Koch
$29.95HK Single Point Sling in Black - Quick DetachSpecifications: Composition: Thick, all black, heavy-duty Cordura nylon Style: Bungee-type design for positive retention and control Connection: HK sling hook attachment point with elastic cover Heavy duty 1...HKP-19767$29.95 -
Walther 30 Round HK 416 .22LR Magazine - Gray
Walther
$39.95HK, Umarex, Walther, HK416 .22LR Magazine - 30 Round Magazine This is the factory OEM magazine for all of the models listed. Each magazine comes in charcoal gray color. Compatible with: HK 416 .22 Colt M4 .22 HK G36 .22 Beretta ARX 160 ...HKP-01749$39.95 -
H&K HK MR556/416 Backplate w/ Sling Loops
H&K Heckler & Koch
$34.95HK 416, MR556 Ambidextrous Sling Loop BackplateGenuine HK German manufactured 416, MR556 new style backplate with sling loop.Fits the following: HK MR556, HK 416 buffer tubes All Standard AR-15, M4 & M16 buffer tubesHKP-17151$34.95 -
Universal Cleaning Kit - Used
H&K Heckler & Koch
$4.95Original German Army Issue HK91/G3/PTR Cleaning Kit - SurplusEach cleaning kit kit comes complete with brass brush, oil brush, oil tube, hand cleaning brush, and pull chain. Originally built for the G3,91 & MG3 but will work on all .308 - .351 .cal...HKP-15612$4.95 -
H&K HK MR556/MR762/416/417 Handguard Rail Cover - Black
H&K Heckler & Koch
$19.95HK 416, MR556, & MR762 Quad Rail Picatinny Rail Cover - Black Brand new Heckler & Koch Picatinny rail covers made of high-impact HK polymer. Each rail is equipped with a quick-release tab and marked with the HK logo. Compatible...HKP-01743$19.95 -
H&K HK MR556/MR762/416/417 Front Sight
H&K Heckler & Koch
$149.95HK MR556, HK416 & MR762 & HK 417 Fixed Front Sight Assembly German HK front fixed sight for use with a rear diopter style sight. It can also be used on some other Ar-15/M-16 applications. Complete with all mounting hardware for a Picatinny...HKP-00025$149.95 -
H&K HK MR556/416 Tungsten Recoil Buffer
H&K Heckler & Koch
$76.95H&K HK MR556/416 Tungsten Recoil Buffer The proprietary tungsten HK-manufactured buffer is one of the reasons why the HK 416 and MR556 are as reliable as they are. This is the perfect addition to all AR/M16 uppers. HK MR556 HK 416 HK...HKP-00041$76.95 -
H&K HK MR556/MR762/416/417 Firing Pin Spring
H&K Heckler & Koch
$14.95HK MR556, MR762 Firing Pin Spring - German This part is great to have on hand as this item is a high wear and replacement part and one of the most common breakage parts on the HK 416/MR556 rifles. Compatible with: HK MR556 HK MR762 HK 416 HK 417 HK...HKP-00928$14.95 -
Gear Head Workds Tailhook Mod 1 - Black
Gear Head Works
$129.95We start with a solid piece of billet aluminum and meticulously machine every aspect for a part that is as nice to look at as it is to use. This version clamps to pistol buffer tubes or adapter spuds ranging from 1.17? to 1.2? in diameter. It features a...HKP-19134$129.95 -
H&K HK MR556/MR762/416/417 Battle Grip w/ Storage - Black
H&K Heckler & Koch
$79.95HK 416, MR556, MR762, & HK 417 Battle Grip With Storage Compartment New HK German factory battle grip with a storage compartment in the bottom. Each grip will fit all AR-15/M-16 lower receivers as well. It has a superior fit & feel to any other...HKP-00033$79.95 -
H&K HK MR556/416 Ejection Port Cover - RAL 8K
H&K Heckler & Koch
$59.95HK German HK 416, MR556 Ejection Port Cover In RAL8000 HK manufactured newer polymer style cover assembly found on the latest HK 416 & MR556's. This item can also be used on other AR15 style projects to enhance the build with the finest ejection port...HKP-18062$59.95 -
Safariland Silicone Gun & Reel Cloth
Safariland
$3.95Silicone gun cloth for all HK firearms to preserve and protect your firearms finish. Will also work for any firearm, magazine or part. A great way to protect your collectibles.HKP-17630$3.95 -
H&K Receiver & Magazine Cleaning Brush For All HK's
H&K Heckler & Koch
$24.95HK Receiver & Magazine Cleaning Brush For All HK's Fits all standard 8-32 US thread cleaning rods. Made and designed for cleaning the HK magazines as well as the upper and lower receivers and mag wells. Works with HK and non-HK applications alike.HKP-00141$24.95