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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Franklin Armory BFSIII AR-C1
FA Franklin Armory
$386.99The Binary Firing System GEN 3 (BFSIII) is a 3-position trigger. In position 3 it fires one round on pull and one round on release, making it the fastest semi-automatic trigger on the market. This trigger is ideal for both tactical and competition use...HKP-19195$386.99 -
Franklin Armory BFSIII AR-S1
FA Franklin Armory
$386.99The Binary Firing System GEN 3 (BFSIII) is a 3-position trigger. In position 3 it fires one round on pull and one round on release, making it the fastest semi-automatic trigger on the market. This trigger is ideal for both tactical and competition use...HKP-19194$386.99 -
Geissele HK 416 10.5" MLOK Handguard - Black
Geissele
$499.9510.5" HK416 Handguard M-LOK - Black 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, rigidity and...HKP-20327$499.95 -
H&K HK 416/417 Buttstock Release Lever
H&K Heckler & Koch
$21.95HK 416 & 417 Buttstock Release LeverHKP-18948$21.95 -
H&K HK MR556/416 Brass Catcher
H&K Heckler & Koch
$799.95HK 416, MR556 Brass Catcher HK Factory German HK 416 Brass CatcherHKP-18046$799.95 -
Out Of Stock
H&K HK MR556/416 Castle Nut
H&K Heckler & Koch
$0.00HK German HK 416, MR556 Castle Nut For Buffer TubeNew HK German manufacture. This buffer tube castle nut will fit both mil-spec and commercial buffer tubes. All Steel manufacture. With HK round tool attachment points as well as traditional wrench...HKP-15230$0.00 -
H&K HK MR556/416 E1 Incomplete Charging Handle - Black
H&K Heckler & Koch
$109.95HK MR556, HK 416 E1/E2 Charging Handle - IncompleteNew HK German manufactured HK MR556, HK 416. A great item to have on hand in the event of breakage or high wear. HK MR556 HK 416 HK M27HKP-17540$109.95 -
H&K HK MR556/416 Roll Pin for Catch On Bolt Carrier
H&K Heckler & Koch
$6.95HK 416, MR556 Roll Pin for Pin Catch. This roll pin is used in the bolt carrier to secure the catch.HKP-16847$6.95 -
H&K HK MR556/416 Upper Receiver Threaded Piston Guide
H&K Heckler & Koch
$19.95MR556 & HK416 - Gas Piston Guide Bushing For Upper ReceiverMR556 & HK416 Piston Guide Bushing Threaded For Upper Receiver For All HK 416 & MR556 Firearms. HK MR556 HK 416 HK M27HKP-02640$19.95 -
H&K HK MR556/MR762/417/416 Trigger Axle
H&K Heckler & Koch
$19.95Axle for TriggerCompatible with: HK 416 HK 417 MR556 MR762HKP-16623$19.95 -
HK Ambidextrous Sling - Green - USED
H&K Heckler & Koch
$89.95HK Ambidextrous Sling - Green - USED This sling is the factory (used) HK Green 1.25" Ambi Sling with dual HK sling hooks for use on either the left or right side of the weapon. Best used with the ambi sling pins as the option shown below. Can be used on...HKP-00183$89.95 -
On Sale
HKP 2 Point Leather Sling - Red
HKP HK Parts
Now: $34.95Was: $49.952 Point Leather Sling - RedThese 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 and made 100% in the USA.Made from quality USA leather...HKP-20159Now: $34.95Was: $49.95 -
HKP HK 416A5 4 Prong Flash Hider
HKP HK Parts
$64.95HKP HK 416A5 4 Prong Flash Hider Our new 4 prong 416A5 flash hider is what your 416 build is missing. Made from ordnance grade steel, heat treated, and Melonited (Nitride process) for maximum efficiency & longevity. Machined correctly to reduce...HKP-21275$64.95 -
HKP HK MR556/416 A5 Style Trigger Guard - Black
HKP HK Parts
$39.95HKP 416 & HK MR556 HK416A5 Style Trigger Guard - Black Now you can upgrade your MR556, 416 & CR556 to the latest Gen HK 416 A5 Enhanced Trigger Guard. Fully assembled and ready to drop in. With a larger trigger guard area you can now use gloves...HKP-17793$39.95 -
HKP Single Point Leather Sling - Brown
HKP HK Parts
$49.95Single Point Leather Sling - Brown 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-20161$49.95 -
KDG HK MR556 10" M-Lok Rail System - FDFE
KDG Kinetic Development Group
$374.95Rail System - 10? - 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 the...HKP-19240$374.95 -
Troy Industries - HK MR556/416 - Offset Sight Set - Front and Round Rear
Troy Industries
$249.95HK 416 / MR556 - 45⁰ OFFSET BATTLESIGHT SET – HK FRONT & ROUND REAR Durability and dead-on accuracy have made Troy Industries Folding BattleSights the choice of Special Ops and tactical users worldwide. The TROY 45 Degree Folding...HKP-21289-M$249.95 -
Out Of Stock
Aimpoint Absolute Co-Witness T1 Mount
Aimpoint
$14.95Aimpoint - T1 Mount Absolute Co-Witness Features a machined recoil lug for consistent, repeatable mounting. Compatible with Aimpoint T1 / H1 Series optics. Features: 6061 T6 aluminum Black anodized Machined recoil lug Compatible with Aimpoint T1 /...HKP-19334$14.95 -
AR-15 Magazine Loader
USA
$39.95Ram-It Loader Magazine Loader for 556 and 223 magazines. Made in the USA from ABS. Very simple to use.HKP-21154$39.95 -
On Sale
B&T HK MR556/MR762/416/417 Brass Catcher
B&T Brugger & Thomet
Now: $324.95Was: $369.95B&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-16899Now: $324.95Was: $369.95 -
B&T Quick Detach Polymer Unigrip - Black
B&T Brugger & Thomet
$74.95B&T Quick Detach Polymer Unigrip This simple foregrip is designed to be mounted on the NAR/Picatinny rail of the firearm. The grip features an integrated storage compartment. Specifications: Color: Black Length: 5" (130mm) Weight: 113g Material:...HKP-18102$74.95 -
Out Of Stock
Beta C-Mag 100 Round HK MR556/416 5.56/.223 Drum System
Beta C-Mag
$0.00100 Round Beta C-Mag For The HK416 & MR556 Firearms 100 Round Beta C-Mag Drum System for the HK 5.56 NATO calibers. These drums are designed with clear back covers to enable you to see your round count. This is the top of the line package from The...HKP-02418$0.00 -
Ergo KeyMod Hand Stop
Ergo
$51.95KeyMod Hand Stop/Barricade Stop in Black Aggressive textured front for enhanced traction on barricades and obstacles Low profile base also functions as a comfortable hand stop Black anodized 6061-T6 aluminum Fits all KeyMod style forearms or...HKP-17885$51.95 -
Geissele HK 416 MLOK 10.5" Handguard - Black
Geissele
$469.95HK416 Super Modular Rail MK15 M-LOK - Black - 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-19990$469.95 -
On Sale
GG&G Picatinny to Harris Bipod Adapter
GG&G
Now: $22.95Was: $39.95Harris Bipod Adapter Made By GG&G Enables a Harris Bi-pod to attach to a mil-spec Picatinny rail. GG&G's AR-15 Harris Bipod Adapter is rugged and low profile. Features of the GG&G Bipod Adapter include a stationary standard swivel stud, a...HKP-02307Now: $22.95Was: $39.95 -
H&K HK 416 Axis Rivet
H&K Heckler & Koch
$4.95HK416 Axis RivetNew HK German HK 416 Rivet.HKP-16776$4.95 -
$19.95 -
Out Of Stock
H&K HK MR556/MR762/416/417 Eyelet Sling Adapter - RAL 8K
H&K Heckler & Koch
$0.00HK MR556 & MR762 Factory Eyelet Sling Adapter for Carrying Sling - RAL8000New German HK Factory Eyelet Sling Adapter for Carrying Slings. MR 556 HK 416 HK MR762 HK 417 HK G28HKP-18855$0.00 -
H&K HK MR556/MR762/416/417 Sear Release Rocker Latch
H&K Heckler & Koch
$99.95HK 416, MR556 & MR762 & HK 417 Sear Release Rocker Latch For LowerNew factory German HK MR 556 MR 762 HK 416 HK 417HKP-12705$99.95 -
H&K HK MR556/MR762/HK 416/417 Trigger
H&K Heckler & Koch
$149.95New latest production factory correct HK 416 trigger. Made in Germany. HK MR556 HK MR762 HK 417 HK 416HKP-15210$149.95 -
H&K MR556 Slimline Barrel, 16.5"
H&K Heckler & Koch
$889.95Genuine HK MR556 Slimline 16.5" Barrel. Non-chrome-lined for match accuracy. Compatible With: HK MR556HKP-21322$889.95 -
H&K Scope Mount Ring Set - 1 Inch For 30mm Scope
H&K Heckler & Koch
$89.951 Inch Scope Mount Ring Inserts that fit into 30mm Scope Rings> Each set includes one complete set of inserts for one complete setup (4 individual sides)Genuine HK GermanInsert rings (1 inch) - HK 30mm claw mount not included.HKP-02474$89.95 -
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 -
HKP HK MR556/416 DMR KeyMod 9" Handguard - Black
HKP HK Parts
$199.95HK MR556 & HK416 Standard Length 9& - KeyMod ForearmHKP-17982$199.95 -
HKP HK MR556/416 Upper 8" 416C Style Conversion Kit
HKP HK Parts
$1,285.95MR556 & HK416 Upper Conversion Kit - 8" - HK 416C Style Finally an answer for all of those that have been wanting as close to the original, rare unicorn of a find HK 416C 8" barrel conversion kit for 416 or MR556. Each conversion kit upper or barrel...HKP-18629$1,285.95 -
On Sale
HKP Single Point Leather Sling - Red
HKP HK Parts
Now: $34.95Was: $49.95Single Point Leather Sling - Red 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 artisan...HKP-20160Now: $34.95Was: $49.95 -
JMAC Universal Picatinny 8" Stock with 1913 Folding Mech
JMAC Customs
$304.90 - $309.90JMac 8" Stock with 0.275" Cheek Rise - 1913 Attachment Feautures: New Integrated Rubber Buttpad 2x Integrated QD Sling Socket 8" Length 0.275" Cheek Rise Drilled and tapped for optional cheek risers Compatible with JMAC & SIG folding mechanisms 7075...HKP-21241-M$304.90 - $309.90 -
JMAC Universal Picatinny 6" Skeletonized Tube with 1913 Folding Mech
JMAC Customs
$227.90JMAC 6" Skeletonized Tube with 1913 Folding Mech This M4 tube adapter replaces the standard buffer tube to ensure the stock folds as flat as possible! Fits most M4 style stocks/braces Features: Integrated QD Sling Sockers 6” Length 6...HKP-21244$227.90 -
KDG HK MR556 10" M-Lok Rail System - Black
KDG Kinetic Development Group
$374.95Rail System - 10? - Black - 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 the...HKP-19246$374.95 -
On Sale
Kinetic Development Group Sidelok Comp M4 - Patrol Rifle Optic - HK logo
Now: $74.95Was: $138.95The sidelok is a revolutionary new mounting system for optics. The patented cam system locks the mount down onto picatinny without the need of tools, side levers, or huge knobs. The release system allows users to change out their optics on the fly with...hkp-19066Now: $74.95Was: $138.95