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 MR556/416 Extractor Axle Pin
H&K Heckler & Koch
$11.95HK MR556/416 Extractor Axle Pin This factory HK German part holds the extractor in place on the bolt head. This item needs to be changed each time it is removed per HK. Compatible With: HK 416 MR556 M27 HK 416 A5HKP-00040$11.95 -
H&K HK MR556/416 Magazine Catch
H&K Heckler & Koch
$24.95HK 416, MR556 Magazine CatchNew HK German manufacture magazine catch for the HK 416 and MR556 family of firearms.HKP-15458$24.95 -
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 HK MR556/MR762/416/417 Carrying Sling - FDE
H&K Heckler & Koch
$139.95HK 416, MR556 & MR762 Please Note: That on the MR556 model a sling adapter will be needed for the front attachment point as the MR556 lacks the ambi sling loop on the gas block unlike the HK 416 rifle. HK 416 HK MR556 HK CR556 MR762...HKP-18491$139.95 -
H&K HK MR556/MR762/416/417 Disconnector Spring
H&K Heckler & Koch
$5.95HK416 & HK417, MR556, MR762 Disconnector Spring- ShortNew HK German MR556, HK 416 & MR762, HK 417 Disconnector spring. This is the shorter spring of the 2 found in the trigger assembly. MR556 MR762 HK 416 HK 417HKP-02675$5.95 -
Magpul MS3 Sling - Gen 2 - Black
Magpul
$49.95Magpul Industries MS3- Multi Mission Sling System Sling Black AR Rifles 1 or 2 Point SlingHKP-13727$49.95 -
H&K HK 30 Round 416, HK MR556 5.56 x 45mm/.223 Maritime Magazine
H&K Heckler & Koch
$89.95HK 416, MR556 30 Round Maritime Magazine - German HK - Many Color Options German factory fresh HK German 416, MR556 magazine. The HK 416, MR556 magazine will also fit all AR15/M16 variants HK416 AR15 30RD 223 Sand/Maritime RESISTANT STEEL MAGAZINE...HKP-21169-M$89.95 -
H&K HK 416/MR556 Trigger Guard Assembly
H&K Heckler & Koch
$54.95HK MR556 & HK 416 Trigger Guard AssemblyNew HK German part that protects the trigger from an accidental discharge.Fits all:Â HK 416 HK MR556HKP-02545$54.95 -
HKP Single Point Leather Sling - Black
HKP HK Parts
$49.95Single Point Leather Sling - Black 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-20151$49.95 -
HKP Single Point Sling - Dark Earth
HKP HK Parts
$29.95HK single point bungee sling for use on all HK & other firearm applications. This super high quality sling is a must have for those that prefer operating with a single point sling over the more traditional 3 point HK sling.HK Single Point Sling...HKP-09051$29.95 -
Lancer 30 Round AR-15 Magazine
Lancer
$29.95Lancer set out to design a better 5.56 magazine; one with the reliability of steel and the durability and weight of polymer. The L5AWM’s exclusive hybrid design includes a hardened steel feed lip assembly molded into a proprietary polymer...HKP-21188$29.95 -
B&T Sling Swivel- Universal Picatinny Attachment
B&T Brugger & Thomet
$29.95Color: Black Height max: 16.3 mm Length max: 12 mm Length of bottom rail: 12 mm Material: Polymer NATO Accessory Rails: 1 Part number: BT-21750 Weight: 8.7 g Width max: 34.5 mmHKP-16893$29.95 -
H&K Cable Gun Lock
H&K Heckler & Koch
$19.95HK Cable Gun Lock Same lock that ships with factory HK firearms.HKP-02442$19.95 -
H&K HK MR556/416 Barrel Nut
HKP HK Parts
$39.95HK MR556, HK 416 Barrel Nut Or Socket For Barrel - AluminumA 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
H&K HK MR556/MR762/416 Buttstock Locking Bolt
H&K Heckler & Koch
$0.00MR556, HK416 Buttstock Locking BoltHKP-16845$0.00 -
Out Of Stock
HKP HK 416C 9" Complete Upper Kit
HKP HK Parts
$2,799.95HK416C Complete Upper Kit - 9" After years trying to get these back in. We finally bring you a rare unicorn of a find. With our complete 416c upper kit all that would be needed to complete this kit would be a mil-spec lower or a STS 416c lower...HKP-21042$2,799.95 -
Magpul AR-15 Buffer Tube Sling Attachment Point
Magpul
$30.00Magpul Industries ASAP- Ambidextrous Sling Attachment Point Sling Mount Black For HK MR556, HK 416 & AR15 Style Rifles.The ASAP Ambidextrous Sling Attachment Point allows a range of motion greater than 180 degrees, enabling true ambidextrous weapon...HKP-13726$30.00 -
Bore Boss Pull-Through Bore Cleaner - 5.56mm/.223
Bore Boss
$10.95Real Avid Bore Boss Pull-Through Bore Cleaner - 5.56mm/.223From the barrel of innovation comes the ultra-compact Bore Boss, the first-ever self-storing, easy-feeding, clean-pulling, field-ready, hassle-free, pure-genius bore cleaner. The single-piece...HKP-19402$10.95 -
H&K HK 416/MR556 Enhanced Buffer Tube-Commercial
H&K Heckler & Koch
$199.95HK 416, MR556 OTB (over the beach) Buffer Tube, Receiver Extension - Commercial Genuine HK German manufactured 416, MR556 new style latest generation marine environment & over the beach buffer tube. Each Commercial buffer tube has built in drainage...HKP-15424$199.95 -
H&K HK MR556/416 Ejector For Bolt Head
H&K Heckler & Koch
$23.95H&K HK MR556/416 Ejector For Bolt Head HK German factory part. Compatible with: MR556 HK 416HKP-00037$23.95 -
H&K HK MR556/416 Extractor
H&K Heckler & Koch
$76.95HK 416 & MR556 Bolt Head Extractor New HK - German Compatible With: MR556 CR556 HK 416 HK M27HKP-00036$76.95 -
H&K HK MR556/MR762/416 German E2 Concave Butt Pad
H&K Heckler & Koch
$69.95HK German 416, MR556, MR762, & 417 E2 Concave Butt Pad Can be added as an option on the HK E1 416/417 stock. Providing you an option to use either the concave or convex style buttpads for different mission requirements. Compatible with: HK MR556 HK...HKP-00050$69.95 -
H&K Sling Hardware
H&K Heckler & Koch
$4.95HK German Sling Hardware New Old StockSlider and sling tension adjuster for HK style slings and other sling applications. Steel manufacture.HKP-19367$4.95 -
HKP HK MR556/CR556/MR762 H-Key 8 Rail Segment
HKP HK Parts
$29.95HK MR556, CR556 & MR762 HKey Rail Segment - 8 Slot8 slot picatinney 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...HKP-17844$29.95 -
Tapco HK 416/MR556/AR15 Stock Wrench
Tapco
$32.95Enhanced Stock Wrench For stocks. Precision machined from heat treated steel, our multifunction tool is a necessity for any AR15 enthusiast. This tool includes a Mil-Spec castle nut wrench, a standard length receiver extension removal wrench (does not...HKP-02407$32.95 -
Out Of Stock
H&K HK 416 Ejector Retaining Pin
H&K Heckler & Koch
$0.00HK 416 Ejector Retaining Pin This factory HK German part is the pin that holds the ejector in place on the bolt head. Great to have as a spare part.HKP-00053$0.00 -
H&K HK 416 Factory Retractable Stock - Black
H&K Heckler & Koch
$129.95HK 416 & AR15 6 Position Retractable Stock New HK Marked 6 position AR15 commercial stock. This stock fits all commercial AR-15/M16 buffer tubes. The stock telescopes expands and retracts to 6 locked positions. Marked with the HK logo and...HKP-00049$129.95 -
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 -
Remington Defense HK 416 14.5" Handguard - FDE
Defense Remmington
$999.95Remington Defense Handguard Assembly Kit - 14.5" - HK 416Â - TanThis black 14.5" handguard assembly kit fits the 14.6 & 16" HK .416 firearms. The most popular handguard for DEVGRU, SEAL teams and other special operators. This is a one time deal once...HKP-19491$999.95 -
Strike Universal Picatinny - Dual Folding Adapter - Stabilizer
Strike Industries
$197.99Strike Dual Folding Adapter - Stabilizer This new stabalizer is the perfect option for the MP5 or MP5K platform that utilizes a 1913 picatinny back plate. For a quick and easy ambidextrous folding action. The Strike Dual Folding Adapter is a...HKP-21288$197.99 -
H&K 416 Flip Up Rear Sight-2mm-FDE
H&K Heckler & Koch
$339.99FDE HK 416, MR556 & 417 Flip Up Rear Sight (Diopter 3mm Sight). Attaches to any standard picatinny rail. No hardware needed as this is a self contained quick attach rear sight assembly. This unique HK designed sight features a quick & easy push...hkp-18500$339.99 -
Out Of Stock
H&K HK MR556/416 Battle Grip Storage Cap
H&K Heckler & Koch
$0.00HK German HK416, MR556 Battle Grip Storage CapHK German MR556, HK416 battle grip storage grip This is the replacement grip plug for the bottom of the HK battle grip.HKP-15251$0.00 -
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 -
Geissele HK MR556 Trigger
Geissele
$489.95Geissele HK MR556 Triggere The HK MR556 trigger is similar to Geissele's SSA with a 4.5 total pull weight. It can be used in both the HK 556 and semi-auto HK 416's. Each Trigger comes with full installation instructions and the lubricant you will need...HKP-16464$489.95 -
H&K HK MR556/416 Ejection Door Lock Bolt Pin
H&K Heckler & Koch
$4.95Ejection Door Lock Bolt PinHK 416 HK MR556HKP-02536$4.95 -
H&K HK MR556/MR762/416/417 Disconnector
H&K Heckler & Koch
$18.95HK German HK416, MR556 & MR762, HK417 Disconnector For LowerNew HK German manufactured part. Fits the HK MR series and HK 417, 417 series of firearms.This is the latest generation of HK disconnector for the HK MR and HK 416/417 family of firearms...HKP-02674$18.95 -
Out Of Stock
HKP HK MR556/416 M-LOK 9" Handguard - Black
HKP HK Parts
$199.95HK MR556 & HK416 9" M-Lok ForearmWeight: 10.2 ozMADE IN THE USA AND BILLET MACHINED. MUCH LIGHTER THAN THE HK FACTORY FOREARM OFFERINGS.HKP-17981$199.95 -
Strike Industries M-Lok & KeyMod Universal 7 Slot Rail Section - Red
Strike Industries
$25.95Strike 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 Key-Mod, same hardware with no need for additional parts. This Aluminum...HKP-19188$25.95 -
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 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 the...HKP-20402$279.95 -
Ergo Sling Loop Rail Mount- Ambidextrous
Ergo
$29.95The 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 picatinney forearm (left or right sides) as well as any...HKP-14526$29.95