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 MR556/MR762/416/AR-15 Titanium Take Down Pin Set
HKP HK Parts
$29.95AR15, M4, MR556, MR762, AR10 Enhanced Take Down Pin Set Front & Rear - Titanium Custom ultra strong pure titanium front and rear take down pin set. Each set included both the front and rear pins for any AR mil-spec style lower. Compatible...HKP-17936$29.95 -
Strike Industries 1913 Picatinny Backup Sights
Strike Industries
$84.95Strike Industries 1913 Picatinny Backup Sights Feautures: Built-in backup sights when flipped down for quick target acquisition Low-profile and low snag design Tool-less adjustments of windage and elevation Quick sliding dual aperture rear sight...HKP-21314$84.95 -
Out Of Stock
AIM M-LOK Quick Detach Sling Swivel Mount
AIM
$19.95M-LOK Quick Detach Sling Swivel Mount The Aim M-LOK® QD Sling Mount stud with QD swivel provides a front attachment point for your push button QD sling or sling with just strap. Includes: All necessary mounting hardware and wrenches Features: High...HKP-18589$19.95 -
Ergo Tactical Grip For MR556/MR762-Dark Earth
Ergo
$52.95Ergo Grip PSG1 Style Grip For MR556 & MR762- DARK EARTH 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,...HKP-17192$52.95 -
H&K HK MR556/MR762/416/417 Bridge
H&K Heckler & Koch
$16.95HK German Bridge For HK416, HK417, MR556, & MR762 LowersHKP-02676$16.95 -
H&K MIL-SPEC 416 OTB Buffer Tube & HK E1 Stock Combo
H&K Heckler & Koch
$469.95HK 416 OTB E1 Stock & Buffer Tube ComboGenuine HK 416 E1 Stock with the new style marine environment "over the beach" buffer tube. Buffer tube has ball bearing rollers to tighten the stock when locked in position, and helps smooth the sliding action...HKP-20104$469.95 -
HK MR556/416 DMR Extra Long Forearm - Black
H&K Heckler & Koch
$899.95HK MR556, 416 Extended Free Floating Rail System - Black New Heckler & Koch MR556, HK 416 Extended DMR (designated marksman rifle) Forearm With Suppressor Window Cutout. Optimized design to mitigate the heat emissions for long range shooting and to...HKP-17683$899.95 -
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 -
Geissele HK 416 Super Modular M-LOK 10.5" Rail - DDC
Geissele
$499.9510.5" HK416 Handguard M-LOK 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 and modularity...HKP-19805$499.95 -
H&K HK 416 Extended 11" A3 Forearm w/ Flip Up Front Sight
H&K Heckler & Koch
$799.95HK 416 A3 Extended Forearm With Integrated Flip Up Front Sight: HK designed & manufactured in Germany 11" HK416 A5, MR556 extended quad rail. This drop in unit offers 2 full inches in extra length. Not the standard 9" rail that comes with the HK...HKP-17377$799.95 -
H&K HK MR556, HK 416 A5 Ambi Selector Lever Set Complete - Black
H&K Heckler & Koch
$179.95HK 416-A5 SEMI & MR556 Ambidextrous 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...HKP-19375$179.95 -
H&K HK MR556/416 Roll Pin for Charging Handle
H&K Heckler & Koch
$7.95HK Clamping Sleeve or Roll Pin for Pawl On Charging Handle This is the longer one that is used on the outside of the charging handle. There are one of these pins used per charging handle.HKP-17063$7.95 -
HK G36/MR556/416 (5.56/.223) Chamber Cleaning Brush
HKP HK Parts
$24.95HK G36 & HK SL8 German Chamber Cleaning Brush (Cleans INSIDE Chamber) More details...HKP-00803$24.95 -
HKP HK MR556/416 Barrel Mandrel Tool
HKP HK Parts
$169.95HKP HK MR556/416 Barrel Mandrel Tool US Made - HK 416, MR556 Barrel Mandrel Tool.HKP-19059$169.95 -
H&K HK MR556/416 Extractor Spring Buffer
H&K Heckler & Koch
$11.95HK 416, MR556 Extractor Spring Buffer This buffer fits inside the extractor spring in the extractor pocked of the bolt. This item is a high wear item and a spare would be highly advised. Compatible With: HK MR556 & HK416 Firearms.HKP-00051$11.95 -
Out Of Stock
HK MR556 Eyelet Sling Adapter
HKP HK Parts
$89.95HK MR556 & MR762 Eyelet Sling Adapter for Carrying Sling New eyelet sling adapter for carrying slings. The perfect option for those who want to match their RAL8000 or tanodized handguards. These sling adapters are made in the USA, so you know...HKP-21064-M$89.95 -
Swiss Military Single Point Sling - OD Green - Used
$34.95Swiss Military Single Point Sling in OD Green - USEDHKP-19794$34.95 -
B&T (5.56/.223) Flash Hider - Suppressor Compatible - Threaded 1/2x28 - Universal
B&T Brugger & Thomet
$139.99B&T (5.56/.223) Flash Hider - Suppressor Compatible - Threaded 1/2x28 - Universal Elevate the performance of your HK 416 or MR556 with this premium flash hider, meticulously engineered to enhance your shooting experience. Designed for compatibility...HKP-21394$139.99 -
B&T HK 416, HK MR223 M-LOK Handguard for (11") - Coyote Tan
B&T Brugger & Thomet
$279.95B&T M-LOK Handguard for HK416/MR223 (11") - Coyote Tan B&T's one-piece 10-inch MLOK handguard for the Heckler & Koch HK416 and civilian equivalent MR223 is an amazing improvement for the combat value of these rifles. A direct replacement for...HKP-20400$279.95 -
B&T HK MR556/MR762/416/417 Brass Catcher
B&T Brugger & Thomet
$289.95B&T Picatinny Rail-Mount Brass Catcher This B&T brass catcher is quick and easy to install on to your factory picatinny mount equipped handguard. If your handguard does not have a picatinny rail to mount the brass catcher, you can simply...HKP-16899$289.95 -
B&T Quick Detach Aluminum Unigrip - Black
B&T Brugger & Thomet
$149.95B&T Quick Detach Aluminum Unigrip - Black This simple fore grip is designed to be mounted on the NAR/Picatinny rail of the gun. The grip is hollow and can be used as a storage compartment after unscrewing the bottom lid. Thanks to the QD mount, the...HKP-19473$149.95 -
H&K HK MR556/416 Semi Auto Axle For Selector Lever
H&K Heckler & Koch
$119.95H&K HK MR556/416 Semi Auto Axle For Selector Lever HK German safe, semi selector axle for the MR 556 & HK 416 family of firearms. All steel construction.HKP-15433$119.95 -
H&K HK MR556/MR762/416 Sniper PSG1 Style Grip - RAL 8K
H&K Heckler & Koch
$249.95H&K 416/417 & MR556/762 PSG1 Style Sniper Grip - RAL 8000 HK German PSG1 style sniper factory. Each grip will fit all AR-15/M-16 lower receivers as well. Superior fit & feel to any other grip on the market. HK has hit a home run with their...HKP-17693$249.95 -
H&K HK416, MR556 12.5" M-LOK Compatible Handguard
H&K Heckler & Koch
$299.95Heckler & Koch MR556 & HK 416 - 12.5" M-LOK Handguard Manufactured by HK from aircraft grade aluminum with a black hard coat anodized finish, this M-LOK handguard is designed for the Heckler & Koch MR556 & HK 416 rifles chambered in...HKP-19695$299.95 -
On Sale
HKP 2 Point Leather Sling - Red
HKP HK Parts
Now: $34.95Was: $49.95HKP 2 Point Leather Sling - Red These new HK Parts 2-point slings are based off of the original German HK design that are no longer offered. This is a 1st time offering, handcrafted by a German artisan. Made in the USA from quality leather and hardware...HKP-20159Now: $34.95Was: $49.95 -
HKP Mil-Spec Buffer Tube Kit
HKP HK Parts
$42.95Mil-Spec Buffer Tube Kit Compatible With: HK MR556 & 416 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 finish Each unit comes with a...HKP-02735$42.95 -
Out Of Stock
Nefarious Arms HK 416/MR556 10.4" A3 Barrel
Nefarious Arms
$694.95Nefarious Arms HK 416/MR556 10.4" A3 Barrel Each Nefarious Arms barrel is cold-hammer-forged and chrome-lined for years of accurate shooting. Grab this expertly crafted barrel for your next SBR or pistol build. Proudly made in the...HKP-21335$694.95 -
PWS Primary Weapons Systems HK 416 FSC556 Tactical Compensator
Primary Weapon Systems
$89.95FSC556 Tactical Compensator (Muzzle Brake) Compensator The PWS FSC556 has the very best compensation and decrease in muzzle rise. Combine that with enough flash suppression to keep the flash out of your optics and line of sight. Not to mention...HKP-01647$89.95 -
SureFire (5.56/.223) WARCOMP Flash Hider - Threaded 1/2x28
Surefire
$159.95SureFire (5.56/.223) WARCOMP Flash Hider - Threaded 1/2x28 This AR15 flash hider is compatible with 1/2x28 threaded barrels. Specifications: Stainless Steel DLC Coating Length 2.7 inches Threaded 1/2x28 Compatible With: HK 416/MR556 HK MR223 HK...HKP-18044$159.95 -
Aero Precision (7.62/.308) Muzzle Brake Gamma - Threaded 5/8x24 RH
Aero Precision
$104.95Aero Precision (7.62x51/.308) Muzzle Brake Gamma - Threaded 5/8x24 RH The VG6 GAMMA is a muzzle brake and compensator hybrid. It virtually eliminates recoil and minimizes muzzle movement. The unique combination of both braking and compensating features...HKP-19675$104.95 -
B&T HK416, HK MR223 M-LOK Handguard for (11") - Black
B&T Brugger & Thomet
$279.95B&T M-LOK Handguard for HK416/MR223 (11") - Black B&T's one-piece 11-inch M-LOK handguard for the Heckler & Koch HK416 and civilian equivalent MR223 is an amazing improvement for the combat value of these rifles. A direct replacement for the...HKP-20402$279.95 -
Out Of Stock
B&T Vertical Fixed Unigrip - Black
B&T Brugger & Thomet
$89.95B&T Vertical Fixed Unigrip - Black Swiss made B&T vertical for-end grip for picatinny. Made of aluminum Will fit all mil-spec picatinny rails. Measures long. Specifications: Condition: Factory new Color: Black Material: Polymer/alloyHKP-18043$89.95 -
H&K HK 416 Roll Pin For 33mm Front Folding Sight
H&K Heckler & Koch
$4.95HK 416 Roll Pin For 33mm Front Folding Sight This version is the enhanced (longer) roll pin for a more secure fitment.HKP-14144$4.95 -
H&K HK MR556/416 Charging Handle Release Latch
H&K Heckler & Koch
$39.95HK Ambidextrous HK416, MR556 Charging Handle Release Latch Perfect replacement item for the MR556 & HK 416 charging handle. New HK German manufacture. These can become chewed up and damaged with a hard drop or with heavy use. This is a great item to...HKP-16553$39.95 -
H&K HK MR556/416A5 Quad Rail w/ Flip Up Sight - Black
H&K Heckler & Koch
$599.95HK 416A5 9" Quad Rail With Flip Up Front Sight - Black New latest production HK 416A5, MR556 9" quad rail with integrated built in front flip up sight. Latest upgraded design with the laser markings for the adjustable gas block for suppressed and...HKP-17710$599.95 -
Out Of Stock
H&K HK MR556/MR762/416 Buttstock Locking Bolt
H&K Heckler & Koch
$0.00H&K HK MR556/MR762/416 Buttstock Locking BoltHKP-16845$0.00 -
HKP (5.56/.223) Compensator Flash Hider - Threaded 1/2x28
HKP HK Parts
$39.95HKP (.556/.223) Compensator Flash Hider - Threaded 1/2x28 Threaded in 1/2x28, this compensator is compatible with HK 416, MR556, and other AR-style applications. The blitz compensator is renowned for its effectiveness, offering a significant upgrade over...HKP-18468$39.95 -
MI HK MR556/416 M-LOK Compatible 9" Carbine Handguard
MI Midwest Industries
$229.95MI HK MR556/416 M-LOK Compatible 9" Carbine Handguard Features: Made in the USA Simple installation, direct replacement for HK factory handguard Retains factory barrel nut Mil-Spec top rail Seven sides of M-LOK compatible slots Lightweight, rugged 6061...HKP-18436$229.95 -
Out Of Stock
Nefarious Arms HK 416 Gas Block Assembly Tool
Nefarious Arms
$128.95Nefarious Arms HK 416 Gas Block Assembly Tool A Nefarious Arms creation for those that like to service or replace their 416 gas block. This assembly tool will effortlessly help you assemble or disassemble your 416 gas block by simply aligning the two...HKP-21273$128.95 -
Picatinny to Harris Bipod Adapter
HKP HK Parts
$34.95Harris Bipod Adapter This mounts to any Picatinny rail and proves a stable platform to add a Harris bipod or other similar-style bipod. This will fit any Picatinny spec rail or rail system. Made in the US out of aircraft-grade aluminum and steel.HKP-00909$34.95