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/MR762/416/417 Trigger
H&K Heckler & Koch
$189.95H&K HK MR556/MR762/416/417 Trigger Made in Germany. Compatible With: HK MR556 HK 416 HK MR762 HK 417HKP-15210$189.95 -
HK Universal Polymer 3.25" Rail
H&K Heckler & Koch
$59.95HK Universal Polymer Rail With Screws for the G36E, SL8, USC, UMP HK German manufacture. New universal picatinny rail for forward section or forearm. Compatible With: G36E SL8 USC UMP All variants Specifications: Length: 3.25"hkp-18489$59.95 -
On Sale
HKP HK MR556/416 Standard Length 9" Quad Rail - BLEMISHED
HKP HK Parts
Now: $158.95Was: $228.95HKP HK MR556/416 Standard Length 9" Quad Rail - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK416 & MR556 quad rail complete. This...HKP-17963-BL-BNow: $158.95Was: $228.95 -
B&T SchleTek Carbon Cleaner 500 ml Aerosol
B&T Brugger & Thomet
$32.95B&T SchleTek Carbon Cleaner 500 ml Aerosol Time-saving removal of stubborn fouling. Special formula for heavily used firearms. Frequent and thorough gun cleaning is not only a prerequisite to achieve maximum performance with your firearm, but also a...HKP-21766$32.95 -
Ergo 1 1/2" Harris Bipod Slide Mount With Sling Stud
Ergo
$19.95Ergo 1 1/2" Harris Bipod Slide Mount With Sling Stud The ERGO 1.5" Bipod Slide Mount slides onto 1913 Picatinny rail, allowing shooters to mount a variety of rail accessories, including swivels or bipods. Features: Slides onto Picatinny rails and held...HKP-15737$19.95 -
H&K HK MR556/416 Ejector Spring
H&K Heckler & Koch
$39.99HK 416 & MR556 Ejector Spring Compatible With: MR556 HK 416HKP-02538$39.99 -
H&K Universal Harris Bipod Adapter - RAL 8000
H&K Heckler & Koch
$199.95HK Factory Harris Bipod Adapter - Low Profile - RAL 8000 This adapter is used to attach the Harris bipod to any Picatinny rail. Fits all picatinny railed forearms or applications. Features the lowest profile of any bipod adapter we have encountered with...HKP-17750$199.95 -
Ergo KeyMod Hand Stop
Ergo
$51.95KeyMod Hand Stop/Barricade Stop in Black Aggressive textured front for enhanced traction on barricades and obstacles Features: Low profile base also functions as a comfortable hand stop Black anodized 6061-T6 aluminum Compatible With: All KeyMod style...HKP-17885$51.95 -
H&K HK MR556/MR762/416/417 Sear Release Rocker Latch
H&K Heckler & Koch
$99.95H&K HK MR556/MR762/416/417 Sear Release Rocker Latch Compatible With: HK MR556 HK 416 HK MR762 HK 417HKP-12705$99.95 -
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 -
HKP HK MR556/CR556/MR762 H-Key 14 Rail Segment
HKP HK Parts
$39.95HKP HK MR556/CR556/MR762 H-Key 14 Rail Segment 14 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...HKP-17846$39.95 -
Magpul Moe K2 XL AR Grip
Magpul
$22.95Magpul Moe K2 XL AR Grip Designed for shooters with larger hands, the K2-XL Grip is similar to the MOE-K2 Grip – AR15/M4 but nearly 25% bigger. A drop-in upgrade for the AR15/M4, it offers a more vertical grip angle thereby improving comfort...HKP-21554$22.95 -
Ergo Tactical Deluxe Grip w/ Palm Shelf - OD Green
Ergo
$59.95Ergo Tactical Deluxe Grip w/ Palm Shelf - OD Green The Tactical Deluxe with Palm Shelf is the same size and shape as the Tactical Deluxe grip but has the addition of an adjustable palm shelf to support your firing hand. This grip excels on precision...HKP-19981$59.95 -
Out Of Stock
H&K HK MR556 Complete Bolt Head
H&K Heckler & Koch
$329.95H&K HK MR556 Complete Bolt Head Brand new factory German bolt head with all the components to make the bolt head complete. Compatible With: HK MR556HKP-02712$329.95 -
Out Of Stock
H&K HK MR556/416 Standard Length Quad Rail - Black
H&K Heckler & Koch
$0.00H&K HK MR556/416 Standard Length Quad Rail - Black HK German HK416 & MR556 quad rail complete that includes HK 416/MR556 Handguard Screw. This handguard can also be installed on the CR556 models as well. Compatible With: HK MR556 HK 416 HK CR556HKP-02546$0.00 -
H&K HK MR556/MR762/416 Spring Lock Bolt
H&K Heckler & Koch
$9.95H&K HK MR556/MR762/416 Spring Lock Bolt Compatible With: HK MR556 HK 416 HK MR762 HK 417HKP-16848$9.95 -
HKP HK MR556/416 10.4" 5.56 Barrel
HKP HK Parts
$369.95MR556 & HK416 Barrel - 10.4"- US Made Finally an answer for all of those that have been wanting a 10.4" 416 or MR556 barrel option for your MR556, CR556 & HK 416's. Each barrel is as close as you can get for those that want a HK 416 style upper...HKP-18200$369.95 -
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 -
Magpul Moe K2 AR Grip
Magpul
$22.95Magpul Moe K2 AR Grip Similar in concept to the MOE-K, the MOE-K2 is a drop in upgrade for AR15/M4's that offers a more vertical grip angle, but in a full-size grip design. The steeper vertical grip angle is optimized for use on PDW (Personal Defense...HKP-19567$22.95 -
B&T Angled Foregrip - Picatinny Mount - Universal
B&T Brugger & Thomet
$71.99B&T Angled Foregrip - Coyote Tan - Picatinny Mount For those shooters who prefer an angled foregrip, this grip is the perfect solution. The lugs at the end of the grip assure a firm rest for the supporting hand. The grip can be mounted easily onto...HKP-21392$71.99 -
B&T Multitasker Twist
B&T Brugger & Thomet
$59.95B&T Multitasker Twist Pen-shaped multitool for weapon maintenance and optics/sight adjustments. CNC machined from 6063 T-6 aluminum, Type III Mil-spec Anodized. Features: Aimpoint Micro T1/T2 turret adjuster on rear cap Pocket clip/light-duty...HKP-21747$59.95 -
Ergo M-LOK Harris Bipod Mount
Ergo
$33.95M-LOK Harris Style Bipod Mount Features: Contoured to fit Harris-style bipods Black anodized 6061-T6 alum.HKP-17851$33.95 -
Out Of Stock
H&K 416 Front Takedown Pin
H&K Heckler & Koch
$49.95H&K 416 Front Takedown Pin The 416 front takedown pin is a German-made component designed to securely fasten the upper and lower receivers. Precision-machined for a proper fit, it ensures reliable function and serves as an ideal replacement or spare...HKP-21862$49.95 -
Out Of Stock
H&K HK 416 Vented Gas Block for 14.5"/16" Barrels
H&K Heckler & Koch
$249.95HK German 416, MR556 14.5" & 16.5" & 20" Gas Block Complete This is the factory-correct gas block with the ambi sling attachment points, as well as the bayonet lug milled into the gas block. Perfect for those who want to swap the MR556 gas block...HKP-01544$249.95 -
HKP AR-15 Commercial Buffer Tube Kit
HKP HK Parts
$47.95AR-15 Commercial Buffer Tube Kit Compatible With: HK MR556 & 416 All 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...HKP-02736$47.95 -
HKP HK MR556/416 Rear Sight Drum 14.5&" & 16" Barrel
HKP HK Parts
$29.95HKP HK MR556/416 Rear Sight Drum 14.5&" & 16" Barrel Made in the USA.HKP-17775$29.95 -
Aimpoint Absolute Co-Witness T1 Mount
Aimpoint
$14.95Aimpoint - T1 Mount Absolute Co-Witness Features a machined recoil lug for consistent, repeatable mounting. Features: 6061 T6 aluminum Black anodized Machined recoil lug Compatible With: Aimpoint T1 / H1 Series opticsHKP-19334$14.95 -
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'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...HKP-20403$279.95 -
Out Of Stock
B&T NATO HUB Adapter
B&T Brugger & Thomet
$250.00B&T NATO HUB Adapter The NATO HUB is fully compatible with all 1.375x24TPI “HUB” compatible suppressors on the market today and is constructed of stainless-steel components. This HUB is compatible with all NATO-Spec A2 flash hiders and...HKP-21723$250.00 -
H&K HK 416 Commercial OTB Buffer Tube HK E1 Stock Combo - Black
H&K Heckler & Koch
$469.95HK 416 OTB E1 Stock & Buffer Tube Combo - Commercial Genuine HK 416 E1 commercial 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...hkp-18361$469.95 -
H&K HK 416/MR556 Cleaning Kit with Green Pouch
H&K Heckler & Koch
$64.95H&K HK 416/MR556 Cleaning Kit with Green Pouch This is a genuine HK factory cleaning kit. Includes: Nylon storage bag, olive green Nylon brush Cleaning rod, 6 parts Barrel brush Chamber brush Oil brush Oil bottle, empty Cleaning wipes, 50 ea...HKP-21623$64.95 -
H&K HK MR556/416 Axis Rivet
H&K Heckler & Koch
$4.95H&K HK MR556/416 Axis Rivet New HK German HK 416 Rivet. Compatible With: HK MR556 HK 416HKP-16776$4.95 -
H&K HK MR556/416 Full Auto Hammer
H&K Heckler & Koch
$189.95H&K HK MR556/416 Full Auto Hammer This is the hammer and spring assembly with no side bushing included. Compatible With: HK MR556 HK 416 Please Note: This batch homes from HK and does not include the bushing.HKP-02673$189.95 -
H&K HK MR556/MR762/416/417 Long Disconnector Spring
H&K Heckler & Koch
$9.95H&K HK MR556/MR762/416/417 Long Disconnector Spring HK German manufactured disconnector spring. This is the longer of the 2 springs found in the trigger/sear assembly. Compatible With: HK MR556 HK 416 HK MR762 HK 417HKP-16774$9.95 -
H&K Universal Harris Bipod Adapter
H&K Heckler & Koch
$199.95HK Factory Harris Bipod Adapter - Low Profile This adapter is to attach the Harris bipod to any Picatinny rail. It is compatible with all Picatinny railed forearms or applications. A new HK German manufactured part made for the HK 416, MR556, HK417...HKP-01852$199.95 -
HKP (5.56/.223) Bore Cleaning Brush
HKP HK Parts
$1.95Bore Cleaning Brush For .223/556 This item is ideal to have on hand for cleaning the bore of the barrel. This item is highly recommended for cleaning.HKP-03331$1.95 -
HKP HK MR556/416 DMR KeyMod Extended 15" Handguard - Black
HKP HK Parts
$249.95HKP HK MR556/416 DMR KeyMod Extended 15" Handguard - BlackHKP-18020$249.95 -
Out Of Stock
HKP HK MR556/416 SS Firing Pin
HKP HK Parts
$29.95Firing Pin For HK 416 & MR556 Firearm - USA Made from hardened stainless steel and comes new in the white. Compatible With: HK416 HK MR556 HK CR556 HK M27HKP-01756$29.95 -
KDG HK MR556 10" M-LOK Rail System - Black
KDG Kinetic Development Group
$374.95Rail System - 10" - Black - M-LOK - HK MR556 The 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 -
Magpul MOE Stock MIL Spec - Black
Magpul
$44.95Magpul MOE Stock MIL SPEC - Black Magpul Industries MOE Carbine Black Stock Complete - MIL Spec Compatible With: MR556 & HK 416 equipped with mil-spec buffer tubes AR-15 platforms with mil-spec buffer tubesHKP-19393$44.95