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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Tapco HK 416/MR556/AR15 Stock Wrench
Tapco
$32.95Tapco HK 416, MR556, & AR15 Stock Wrench This tool includes a Mil-Spec castle nut wrench, a standard-length receiver extension removal wrench, and an A1/A2 Flash Suppressor wrench. This offers an improved grip, and each tool has a...HKP-02407$32.95 -
H&K (5.56/.223) Chamber Flute Brush
H&K Heckler & Koch
$29.95New HK German .223/5.56 Chamber Flute Cleaning Brush This item is ideal to have on hand for cleaning the flutes of the barrel. The flutes have to remain clean for the rounds to be extracted properly.HKP-00464$29.95 -
H&K HK MR556/416 Roll Pin for Catch On Bolt Carrier
H&K Heckler & Koch
$6.95H&K HK MR556/416 Roll Pin for Catch On Bolt Carrier This roll pin is used in the bolt carrier to secure the catch. Compatible With: HK MR556 HK 416HKP-16847$6.95 -
H&K Vertical Foregrip
H&K Heckler & Koch
$96.95H&K Vertical Foregrip (With Slide in for LM/LLM Switch) Compatible With: HK MP5/K HK MP5SD MP7A2 HK G36/G36K/G36C HK MR556/416 HK MR762/417HKP-18465$96.95 -
Magpul M-LOK QD Sling Mount
Magpul
$27.95Magpul M-LOK QD Sling Mount The M-LOK Quick Detach Sling Mount provides a forward attachment point for the Magpul MS4 Sling and other push-button QD slings. Machined from Mil-Spec anodized aluminum, the low-profile M-LOK QD Sling Mount features beveled...HKP-17268$27.95 -
MFI HK (5.56/.223) & (7.62x51/.308) G28 Style Flash Hider - Threaded 15x1
MFI
$79.95MFI HK G28 Style Flash Hider - Threaded 15x1 The G28, 2nd Gen flash hider is threaded 15x1 RH pitch, which is a standard HK Thread Pattern for .308 and .223 caliber weapons. It also has a deep counter bore to allow the product to cover the area behind...HKP-16337$79.95 -
H&K HK MR556/416 Bolt Head Cam Pin
H&K Heckler & Koch
$31.95H&K HK MR556/416 Bolt Head Cam Pin New factory HK German manufactured cam pin for bolt group. A common wear and replacement item. Compatible With: HK 416 HK MR556 HK M27 HK 416 A5HKP-02539$31.95 -
H&K HK MR556, HK 416 A5 Enhanced Incomplete Trigger Guard
H&K Heckler & Koch
$39.95Enhanced HK Trigger Guard Upgrade Incomplete - A5 - HK 416 & HK MR556 Never offered before! Now you can upgrade your MR556, 416 & CR556 to the latest Gen HK 416 A5 Enhanced Trigger Guard. Enlarged trigger guard area to use with gloves...HKP-19377$39.95 -
H&K HK MR556/416 A5 Ambi Selector Lever Set Complete - Black
H&K Heckler & Koch
$179.95H&K HK MR556/416 A5 Ambi Selector Lever Set Complete - Black New HK German manufacture. Complete kit to upgrade the selector lever set on the MR556 to the newer HK 416A5 semi style of levers. A drop in upgrade for the MR556 & CR556. Includes: HK...HKP-19375$179.95 -
HKP (5.56/.223) & (7.62x51/.308) 4 Prong Micro Flash Hider - Threaded 15x1 RH
$64.95HKP (5.56/.223) & (7.62x51/.308) 4 Prong Micro Flash Hider - Threaded 15x1 RH New shorter "micro" version US-made 4-prong flash hider threaded 15x1 RH. Micro FH will fit all HK .223 & .308 threaded barrel applications and barrels. Made from...HKP-02189$64.95 -
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 -
H&K HK MR556/416/MR762 Battle Grip Storage Cap
H&K Heckler & Koch
$29.95H&K HK MR556/416/MR762 Battle Grip Storage Cap This part is the replacement grip plug for the bottom of the HK battle grip. Compatible With: HK MR556 HK 416 HK MR762 Please Note: Does not fit for the HK416 .22LR models**HKP-15251$29.95 -
Gear Head Works Tailhook Mod 1 - FDE
Gear Head Works
$159.95Gear Head Works Tailhook Mod 1 - FDE We 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...HKP-19541$159.95 -
H&K German Red Handled Rear Sight Adjustment Tool
H&K Heckler & Koch
$99.95H&K German Red Handled Rear Sight Adjustment Tool A must-have sight tool for all HK 90 series rifles, as well as the HK 416, MR556, and HK 417 rifles. Works to adjust any rear diopter-type HK sight for both elevation and windage. We also offer an...HKP-00080$99.95 -
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: All 14.5", 16.5", & 20" models HK MR556 HK 416/416 A5HKP-18553$549.95 -
H&K HK MR556/416 Handguard Rail System Screw
H&K Heckler & Koch
$29.95HK MR556 & HK 416 Handguard Rail System Screw This is the hex head version for any metric Allen hex head that can be utilized to tighten and release the screw pressure. This can also be used to replace the rail screw on...HKP-02717$29.95 -
H&K HK MR556/416 Operators Manual
H&K Heckler & Koch
$39.95New Latest Print Production HK German 416 & MR556 Operators Manual Each manual is 62 pages and is the go to resource to maintain, clean, and become well versed with the HK 416 and MR556 series of weapon systems.HKP-00054$39.95 -
Out Of Stock
HK MR556/416 10.5" Super Modular Rail System - Black
Geissele
$459.95Geissele HK416, MR556 10.5" Modular Rail - Black 9.7 " Extended free float rail for use with all HK 416 & MR 556 barrels. Please note: On the HK416 models the sling attachment point on the gas block will need to be removed to allow the handguard to...HKP-16459$459.95 -
HKP Single Point Sling - Dark Earth
HKP HK Parts
$29.95HKP Single Point Sling - Dark Earth This sling is a must-have for those who prefer operating with a single-point sling over the traditional 3-point HK sling. Features: Super thick all Dark Earth heavy-duty corduroy nylon to withstand years of heavy...HKP-09051$29.95 -
Strike Industries M-LOK & KeyMod Universal 7 Slot Rail Section - Red
Strike Industries
$25.95Strike Industries M-LOK & KeyMod Universal 7 Slot Rail Section - Red Strike Industries LINK attachment system takes the age old question Key-Mod vs. M-LOK and came up with the ultimate solution, a dual interface design compatible with both M-LOK and...HKP-19188$25.95 -
Out Of Stock
H&K 45mm Picatinny Rail Cover - Black - Universal
H&K Heckler & Koch
$14.95H&K 45mm Picatinny Rail Cover - Black - Universal New factory HK rubberized picatinny rail cover. Specifications: Rail cover dimensions: 45x26x7 mm Compatible With: HK picatinny rails Other Picatinny railed applicationsHKP-18857$14.95 -
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 MR556 M-LOK 16.5" Upper Receiver Assembly - Black
H&K Heckler & Koch
$1,779.95New HK Factory German MR556 Upper Kit with M-LOK forearm Includes: Complete MR556 upper receiver with M-LOK forearm MR556 Bolt group Complete Tungsten Filled HK Buffer HK Buffer Spring One 30 Round HK Steel Maritime Magazine No FFL required as the...HKP-17366$1,779.95 -
H&K HK MR556/MR762/416/417 28mm Front Folding Sight
H&K Heckler & Koch
$199.95H&K HK MR556/MR762/416/417 28mm Front Folding Sight This sight attaches directly to the front gas block of the HK416, MR556, or MR762, HK417. This sight is to be used with the proper (caliber and barrel length specific) rear fixed diopter sight for...HKP-00026$199.95 -
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 -
Harris Engineering Bipod 6-9" - Fully Adjustable With Swivel
Harris Engineering
$149.95Harris Engineering Bipod 6-9" - Fully Adjustable With Swivel This part is manufactured using high-quality parts to ensure excellent function and sustainable use. It attaches to a sling swivel stud. Carrying your rifle with a sling or shooting off-hand is...HKP-00983$149.95 -
HKP HK MR556/416 Barrel Nut
HKP HK Parts
$39.95HK MR556, HK 416 Barrel Nut Or Socket For Barrel - Aluminum A must have repair and replacement part for removal or when you have any work done to your barrel as the barrel nut may become damaged in the removal and installation processes. Made in the USA...HKP-17273$39.95 -
Out Of Stock
HKP HK MR556/MR762/416/417 Front Diopter Sight
HKP HK Parts
$89.95HK MR556, HK416 & MR762 & HK 417 Fixed Front Sight Assembly - USNew US Made HK style front fixed sight for use with the rear diopter style rear sight options. Can also be used on some other AR-15/M-16 applications.New US Manufacture. Complete...HKP-17716$89.95 -
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 -
H&K German Universal Multi Tool
H&K Heckler & Koch
$79.95H&K German Universal Multi Tool This is ideal for the USC or SL8 style of weapon systems. Great multi-tool for sights, handguards, or work on any other accessories.HKP-00374$79.95 -
H&K HK MR556/416 Ambi Sling Loop
H&K Heckler & Koch
$154.95H&K HK MR556/416 Ambi Sling Loop Ambidextrous sling loop for a quick and easy carrying option. compatible with any sling that attaches via a sling hook. Intended for the HK 416 format but is compatible with any picatinny rail. Compatible With: HK...HKP-20341$154.95 -
H&K Bungee Single Point Sling - 1325mm Long
H&K Heckler & Koch
$114.95H&K Bungee Single Point Sling - 1325mm Long New factory HK German manufactured single point elastic "push/pull" bungee style sling. Includes the factory sling hook and is fully adjustable for the average sized mag to use. Will fit any HK application...HKP-18728$114.95 -
H&K HK MR556/416/G36 Cleaning Kit
H&K Heckler & Koch
$79.95HK Factory German G36, HK416, & MR556 Complete Cleaning Kit Each kit includes the following parts: Saf-T-Clad cleaning rod Accessory adapter section #8-32 Patch holder Chamber cleaning brush Bore cleaning brush Double-ended utility brush Formula 3...HKP-00035$79.95 -
H&K HK MR556/MR762/416/417 Forward Assist Plunger Spring
H&K Heckler & Koch
$9.95H&K HK MR556/MR762/416/417 Forward Assist Plunger Spring New HK German manufacture. Compatible With: HK MR556 HK 416 HK MR762 HK 417 HK G28 HK M27HKP-02537$9.95 -
HK G36, HK SL8, HK 416, HK MR556 Gas Piston - Black
USA
$79.95HK G36, HK SL8, HK 416, & HK MR556 Gas Piston - Black Complete assembly with 3X rings installed and nitrided black. Counts as one US-made compliant part for your SL8-G36 style conversion. This is one of the best parts to use on the conversion as it...HKP-14540$79.95 -
H&K 95mm Picatinny Rail Cover - Black
H&K Heckler & Koch
$14.95HK Rubber Picatinny Rail Cover - 95mm New factory HK rubberized Picatinny rail cover. Specifications: Rail cover dimensions: 95x26x7 mm Compatible With: HK Picatinny rails Other Picatinny railed applicationsHKP-18858$14.95 -
Out Of Stock
H&K HK MR556/416 Ejector Port Cover Pin
H&K Heckler & Koch
$14.95HK MR556 & 416 Ejector Port Cover Pin Compatible With: HK MR556 HK 416HKP-02661$14.95 -
HKP HK MR556/416, HK MR762/417 Flip Up Rear Sight-2mm
HKP HK Parts
$139.95HK 416, MR556 & MR762, 417 Flip Up Rear Sight Diopter 2mm Sight - US Attaches to any standard picatinny rail. No hardware needed as this is a self contained quick attach rear sight assembly. This unique sight features a quick & easy push button...HKP-17717$139.95 -
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 -
Out Of Stock
HKP 416 10.4" 5.56 Complete Upper Receiver Assembly
HKP HK Parts
$2,485.95HKP 416 10.4" 5.56 Complete Upper Kit Complete Each kit includes the complete upper assembly, bolt group, tungsten buffer, & high-reliability SS recoil spring. This upper kit is a complete gas piston HK 416 style upper assembly that will drop on your...HKP-17662$2,485.95