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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H&K HK 417/MR556 Pin Look Index
H&K Heckler & Koch
$6.95HK 417, MR556, MR762 Pin Look IndexHKP-02639$6.95 -
H&K HK MR556 Factory Compensator Flash Hider - Black
H&K Heckler & Koch
$39.95HK Factory German Manufacture MR556 HK Factory Flash Hider, Compensator.Full birdcage style the real deal German manufactured found on all HK MR556 models.Threaded 1/2 X 28 for use on all HK 416, MR556 and other AR style applications. Great flash hider...HKP-16926$39.95 -
H&K HK MR556/416 Semi Auto Axle For Selector Lever
H&K Heckler & Koch
$119.95MR556 & HK 416 Semi Auto Selector AxleHK German safe, semi selector axle for the MR 556 & HK 416 family of firearms.All steel construction.HKP-15433$119.95 -
Out Of Stock
H&K HK MR556/416 Spring Lock Bolt
H&K Heckler & Koch
$0.00HK 416, MR556 Spring Lock BoltHK German MR556, HK 416 Spring LockHKP-16848$0.00 -
H&K HK MR556/CR556 Complete Bolt Group
H&K Heckler & Koch
$684.95HK MR556 Complete Bolt Group HK's MR556 bolt group includes the following HK German factory parts: MR556 Bolt Carrier Bolt head complete Firing pin spring Firing pin Cam pin All misc parts that comprise a complete bolt group Bolt carriers will be...HKP-02618$684.95 -
H&K HK MR556/MR762/416/417 Stock Release Lever Pin
H&K Heckler & Koch
$6.95HK 416Â & MR556 E1/E2 & HK 417, MR762 Stock Release Lever PinBrand new factory German production. A must have spare part that should be replaced each time you remove or install the roll pin.Made in Germany.HKP-16860$6.95 -
Out Of Stock
HKP HK MR556/416 Rear Sight Drum 10" Barrel Length
HKP HK Parts
$29.95HK MR556 & HK416 Rear Sight Drum 10& Barrel Length US MadeHKP-17774$29.95 -
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 - TitaniumCustom ultra strong pure titanium front and rear take down pin set. Each set included both the front and rear pins for any AR milspec style lower. AR15, M4, M16 MR556,...HKP-17936$29.95 -
Nefarious Arms HK 416 Reaction Rod
Nefarious Arms
$129.95Nefarious Arms - Reaction Rod - HK 416 The Nefarious Arms H&K 416 Reaction Rod is used to securely hold the upper receiver in a bench vise so that work may be performed on the muzzle device. It is inserted through the rear of the upper receiver...HKP-21272$129.95 -
On Sale
Troy Industries 30 Round M16/AR-15 Battle Magazine - Black
Troy Industries
Now: $9.95Was: $13.99Troy Battle Magazine featuring a slick polymer textured design for smooth operation. Also comes with a free interchangeable pull tab($5 value) for those that want the "pull" feature. Compatibile With: HK 416 MR556 M16 and AR-15 FN SCAR British...HKP-15489Now: $9.95Was: $13.99 -
USA HK MR556 Eyelet Sling Adapter
USA
$89.95HK MR556 & MR762 Eyelet Sling Adapter for Carrying Sling New eyelet sling adapter for carrying slings. Perfect option for those that want to match their RAL8000 or tanodized handguards. These sling adapters are 100% US made so you know they are...HKP-21064$89.95 -
VFC, Umarex HK 416 .22LR 9" Keymod Rail - RAL 8000
VFC/Umarex
$124.95VFC CALIBUR KEYMOD 9" RAIL - TAN The VFC Handguard is an ultra-lightweight Key-Mod rail for the HK416 .22 model. The VFC Calibur Keymod features: Lightweight and modular 6mm" rail Tan 9 inchHKP-19304$124.95 -
B&T HK416, HK MR223 M-Lok Handguard (11") with Overgrip - Black
B&T Brugger & Thomet
$279.95B&T M-Lok Handguard OG for HK416/MR223 (11") with "Overgrip" Free-cut Top Rail B&T M-Lok Handguard for HK416/MR223 (11") - Black B&T's one-piece 11-inch MLOK handguard for the Heckler & Koch HK416 and civilian equivalent MR223 is an...HKP-20403$279.95 -
B&T HK416, HK MR223 M-Lok Handguard for (11") with Overgrip - Coyote Tan
B&T Brugger & Thomet
$279.95B&T M-Lok Handguard OG for HK416/MR223 (11") with "Overgrip" Free-Cut on the Top Rail B&T's one-piece 11" M-LOK handguard for the Heckler & Koch HK416 and MR223 rifles is a solid upgrade for these HK rifles. The handguard is an easy to...HKP-20401$279.95 -
On Sale
Blade-Tech HK 416 Magazine RH Pouch - Black
Blade-Tech
Now: $34.95Was: $44.95HK 416 Magazine Pouch - Right Hand Positive magazine retention without cumbersome flaps. Fully adjustable with tensioning screws. For right hand shooter. This magazine pouch if for the HK416 10, 20 & 30 round Steel Magazine only. Features: Custom...HKP-15157Now: $34.95Was: $44.95 -
Geissele HK 416 10.5" MLOK Handguard - DDC
Geissele
$468.95HK416 Super Modular Rail MK15 M-LOK - DDC - 10.5" The Super Modular Rail HK416 MK15 MLOK 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,...HKP-20225$468.95 -
Geissele HK 416 Super Modular M-LOK 10.5" Rail - DDC
Geissele
$499.9510.5" HK416 Handguard M-LOKThe Super Modular Rail HK416 MK15 MLOK 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 416, HK MR556 Folding Front Sight For Hanguard
H&K Heckler & Koch
$134.95Folding Front Sight - German - HK 416, MR556 Handguards German HK built in folding front sight for the forearms/handguardsHKP-19462$134.95 -
H&K HK MR556, HK 416 9" M-LOK Handguard - Black
H&K Heckler & Koch
$399.95Handguard - 9? - Black - M-Lok - HK MR556, HK 416New HK German manufactured forearm for the HK 416 and MR556 firearm. Comes exactly as pictured.HKP-19670$399.95 -
H&K HK MR556/416 Bolt Carrier
H&K Heckler & Koch
$397.95German HK marked MR556 & HK 416 factory bolt carrier with the newer style bolt retaining key. This is the factory one-piece carrier that has the out of battery disconnect and the bolt retaining latch assemblies installed to make up the HK MR556 (556...HKP-02718$397.95 -
Out Of Stock
H&K HK MR556/416 Ejector Spring
H&K Heckler & Koch
$0.00HK 416, MR556 Ejector Spring HK 416 HK MR556HKP-02538$0.00 -
Out Of Stock
H&K HK MR556/416 Extractor Spring Buffer
H&K Heckler & Koch
$0.00HK 416, MR556 Extractor Spring BufferThis buffer fits inside the extractor spring in the extactor pocked of the bolt. This item is a high wear item and a spare would be highly advised.Fits all HK MR556 & HK416 Firearms.HKP-00051$0.00 -
H&K HK MR556/MR762 Buttstock Release Lever Insert
H&K Heckler & Koch
$26.95HK MR556 & MR762 Buttstock Release Lever InsertHKP-16620$26.95 -
Out Of Stock
H&K HK MR762/MR556 Buttstock Release Lever Insert Spring
H&K Heckler & Koch
$0.00HK MR762 and MR556 Buttstock Release Lever Insert SpringHKP-16611$0.00 -
Out Of Stock
HK 416/MP5 Sling Swivel
HKP HK Parts
$34.95Sling swivel for the Walther 416 and MP5 .22 rifles. This will attach to the quad rail on the 416 to give you an attachment point for a 2 point sling. May also be used with the an MP5 that has a tri rail set up.HKP-16318$34.95 -
$249.95 -
On Sale
HKP HK MR556/416 Bench Mat - BLEMISHED
HKP HK Parts
Now: $12.95Was: $24.95THIS COSMETICALLY BLEMISHED ITEM - WORDS ARE CUT OFF (SEE 2ND PHOTO) THIS ITEM IS SOLD AS IS AND NOT ELIGIBLE FOR A RETURN. HK MR556, HK 416 Bench Mat Our HK MR556/HK416 bench mat is the perfect cleaning & repair mat designed specifically for...HKP-17169-BNow: $12.95Was: $24.95 -
HKP HK MR556/416 Rear Sight Drum 14.5&" & 16" Barrel
HKP HK Parts
$29.95HK MR556 & HK 416 Rear Sight Drum For 14.5 & 16" Barrels - US MadeHKP-17775$29.95 -
HKP HK MR556/416 Upper 8" 416C Style Conversion Kit w/ Handguard
HKP HK Parts
$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-18628$1,495.95 -
HKP HK MR556/CR556/MR762 H-Key 20 Rail Segment
HKP HK Parts
$49.9520 slot rail segment for the new "HKey" style forearms. This rail section is designed to fit and attach to any of the new HKey style forearms now being shipped on the MR556, CR556, MR762 and similar models. Made from aircraft grade aluminum, fully hard...HKP-17848$49.95 -
HKP Single Point Leather Sling - OD Green
HKP HK Parts
$49.95Single Point Leather Sling - OD Green Our leather sling utilizes two HK style sling hooks to attach to a single mounting point. Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a German...HKP-20163$49.95 -
KDG HK MR556 13.75" M-Lok Rail System - FDE
KDG Kinetic Development Group
$399.95Rail System - 13.75? - Brown - M-Lok - HK MR556The 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...HKP-19243$399.95 -
MI HK MR556/416 M-LOK Compatible 9" Carbine Handguard
MI Midwest Industries
$229.95Simple 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 aluminum construction, mil-spec hard coat anodized Cross bolt constructed of...HKP-18436$229.95 -
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 thier 416 gas block. This assembly tool will effortlessly help you assemble or disassemble your 416 gas block by simply alinging the...HKP-21273$128.95 -
Out Of Stock
H&K HK 416 & HK MR556 Assembly Wrench Tool
H&K Heckler & Koch
$599.95HK 416 Assembly Wrench Tool Factory HK German multi-tool for the HK416 and MR556. The Perfect tool for a complete break down.HKP-20616$599.95 -
H&K HK MR556/416 Front Sight Roll Pin
H&K Heckler & Koch
$4.95HK MR556 & HK416, MR762 & HK417 Front Sight Blade Roll Pin For Diopter Sight.HKP-02659$4.95 -
H&K HK MR556/416 Threaded Pin for Buttstock Insert
H&K Heckler & Koch
$4.95HK MR556, HK416 Threaded Pin For E1/E2 buttstock Release Lever InsertNew HK German manufactured E1/E2 stock release and tightening screw that takes the slack and slop out of the stock when in desired position. HK MR556 HK 416HKP-16604$4.95 -
HKP AR-15 Low Profile Picatinny Sling Adapter Mount
HKP HK Parts
$12.95AR, M4 Low Profile Picatinny Sling AdapterHKP-15334$12.95 -
HKP HK 416, MR556 Upper Receiver Forging
HKP HK Parts
$99.95HK Parts' very own 416 upper reciever forging. This is the first time that these forgings have been made available to the public. Our receivers come with the ever popular Cerro Forge "keyhole" marking. Cerro Forge is a premier manufacturer of forged...HKP-21008$99.95