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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Out Of Stock
H&K HK 416, MR556, MR762 Battle Grip With Storage - FDE
H&K Heckler & Koch
$79.95H&K 416/417 & MR556/762 Battle Grip With Storage - FDE New HK German factory battle grip with a storage compartment in the bottom of the grip. Each grip will fit all AR-15/M-16 lower receivers as well. Superior fit & feel to any other grip on...HKP-19519$79.95 -
H&K HK MR556/416 Brass Catcher
H&K Heckler & Koch
$595.95HK 416, MR556 Brass Catcher HK Factory German HK 416 Brass Catcher Compatible With: HK 416 HK MR556HKP-18046$595.95 -
H&K HK MR556/416 Front Sight Roll Pin
H&K Heckler & Koch
$4.95HK MR556 & 416 Front Sight Roll PinHKP-02659$4.95 -
H&K HK MR556/MR762/416/417 Stock Release Lever Pin
H&K Heckler & Koch
$6.95HK 416 & MR556 E1/E2 & HK 417, MR762 Stock Release Lever Pin Brand 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 -
GSG9 HK G36C (5.56/.223) 4 Prong Flash Hider - Threaded 15x1 RH
GSG9
$86.95GSG9 HK G36C (5.56/.223) 4 Prong Flash Hider - 15x1 RH Finest quality 4-prong flash hider that is threaded 15x1 right-hand twist (factory HK thread pitch). Perfect for the SL8, G36C, or other type of HK conversion. It also counts as one US-made part for...HKP-00631$86.95 -
H&K HK 416, HK MR556 Folding Front Sight For Handguard
H&K Heckler & Koch
$134.95Folding Front Sight - German - HK 416, MR556 Handguards German HK built in folding front sight for the forearms/handguards.HKP-19462$134.95 -
H&K HK MR556/416 E1 Incomplete Charging Handle - Black
H&K Heckler & Koch
$109.95HK MR556, HK 416 E1/E2 Charging Handle - Incomplete New HK German manufactured HK MR556, HK 416. A great item to have on hand in the event of breakage or high wear. Compatible With: HK MR556 HK 416 HK M27HKP-17540$109.95 -
Out Of Stock
HK Ambidextrous Sling - Green
H&K Heckler & Koch
$149.95HK Ambidextrous Sling - Green This sling is the factory 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 nearly...HKP-00183$149.95 -
HKP Extended Harris Bipod Adapter - Picatinny
HKP HK Parts
$19.95HKP Extended Harris Bipod Adapter Universal Picatinny rail Harris bipod adapterHKP-15374$19.95 -
Out Of Stock
HKP HK MR556/416 Rear Sight Drum 10" Barrel Length
HKP HK Parts
$29.95HKP HK MR556/416 Rear Sight Drum 10" Barrel Length Made in the USA.HKP-17774$29.95 -
HKP HK MR556/CR556/MR762 H-Key 11 Rail Segment
HKP HK Parts
$34.95HKP HK MR556/CR556/MR762 H-Key 11 Rail Segment 11 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-17845$34.95 -
KDG HK MR556 10" M-LOK Rail System - FDFE
KDG Kinetic Development Group
$374.95Rail System - 10" - Brown - 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-19240$374.95 -
Out Of Stock
B&T 39mm QD Skeleton Mount for Aimpoint ACRO - Black
B&T Brugger & Thomet
$150.00B&T 39mm QD Skeleton Mount for Aimpoint ACRO - Black The B&T QD "Skeleton" mount for Aimpoint® Acro offers a 39mm elevated profile for improved sight alignment, ideal for night vision setups requiring clearance over forward-mounted IR devices...HKP-21730$150.00 -
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 -
B&T SchleTek Suppressor Cleaner Evolution 1000ml
B&T Brugger & Thomet
$70.00B&T SchleTek Suppressor Cleaner Evolution 1000ml Keep your suppressors clean and optimally functioning with SchleTek suppressor cleaner.HKP-21726$70.00 -
On Sale
Blade-Tech HK 416 Magazine RH Pouch - Black
Blade-Tech
Now: $29.95Was: $44.95HK 416 Magazine Pouch - Right Hand Positive magazine retention without cumbersome flaps. Fully adjustable with tension screws. For a right-hand shooter. Features: Custom-modeled Kydex construction Fully adjustable with Tek-Lok locking mechanism Color:...HKP-15157Now: $29.95Was: $44.95 -
On Sale
Geissele HK 416 10.5" M-LOK Handguard - DDC - BLEMISHED
Geissele
Now: $349.95Was: $468.95Geissele HK 416 10.5" M-LOK Handguard - DDC - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The super modular rail HK416 MK15 M-LOK was...HKP-20225-BNow: $349.95Was: $468.95 -
On Sale
H&K HK MR556/416 Receiver End Plate - BLEMISHED
H&K Heckler & Koch
Now: $14.95Was: $24.95H&K HK MR556/416 Receiver End Plate - BLEMISHED INSTALLATION MARKS. COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. New HK German manufacture. Compatible...HKP-16603-BNow: $14.95Was: $24.95 -
H&K HK MR556/MR762 Buttstock Release Lever Insert
H&K Heckler & Koch
$26.95H&K HK MR556/MR762 Buttstock Release Lever Insert Compatible With: HK MR556 HK MR762HKP-16620$26.95 -
H&K HK MR762/MR556 Buttstock Release Lever Insert Spring
H&K Heckler & Koch
$9.99H&K HK MR762/MR556 Buttstock Release Lever Insert Spring Compatible With: HK MR556 HK MR762HKP-16611$9.99 -
H&K MR556 Slimline Barrel, 16.5"
H&K Heckler & Koch
$779.95Genuine HK MR556 Slimline 16.5" Barrel. Non-chrome-lined for match accuracy. Compatible With: HK MR556HKP-21322$779.95 -
Out Of Stock
HK 416/MP5 Sling Swivel
HKP HK Parts
$34.95HK 416/MP5 Sling Swivel Sling 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 -
On Sale
HK G36, HK SL8, HK 416, HK MR556 Gas Piston - Black - Incomplete - BLEMISHED
USA
Now: $29.95Was: $79.95HK G36, HK SL8, HK 416, HK MR556 Gas Piston - Black - Incomplete - BLEMISHED INCOMPLETE LIKE SHOWN IN PICTURE. COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL...HKP-14540-BNow: $29.95Was: $79.95 -
Out Of Stock
HK German Vertical Foregrip - Black
H&K Heckler & Koch
$96.95HK German Picatinny Vertical Foregrip - Black (With slide in for LM/LLM Switch) Compatible With: MP5, MP5K MP5SD MP7A2 G36, G36K, G36C HK 416 HK417 All firearms featuring a Picatinny railHKP-20518$96.95 -
HKP HK MR556/CR556/MR762 H-Key 20 Rail Segment
HKP HK Parts
$49.95HKP HK MR556/CR556/MR762 H-Key 20 Rail Segment 20 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-17848$49.95 -
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 -
Holosun 510C & HM3X Combo
Holosun
$599.95Holosun 510C & HM3X Combo - Optic & Magnifier The HS510C is a versatile open reflex optic designed for long gun applications. HS510C is at home on carbines, PCCs, and shotguns due its durable design. HS510C features and aluminum housing...HKP-21657$599.95 -
On Sale
SureFire Procomp (5.56/223) Muzzle Brake - Threaded 1/2x28
Surefire
Now: $84.95Was: $109.95SureFire Procomp (5.56/223) Muzzle Brake - Threaded 1/2x28 The advanced SureFire ProComp 556 muzzle brake fits M4/M16 weapons and variants with 1/2x28 muzzle threads. It significantly reduces both recoil impulse and muzzle rise, allowing the weapon to...HKP-19666Now: $84.95Was: $109.95 -
B&T Offset 45 Degree Mount For Aimpoint Micro - Picatinny
B&T Brugger & Thomet
$129.95B&T Offset 45 Degree Mount For Aimpoint Micro - Picatinny In order to engage a target at close distance, a secondary optic without magnification is quite useful next to the primary scope, not only for snipers but also for dynamic rifle shooters. The...HKP-18045$129.95 -
On Sale
Ergo Harris Bipod Mount - KeyMod Handguard
Ergo
Now: $19.95Was: $38.95Ergo Harris Bipod Mount - KeyMod Handguard Features: KeyMod Bipod Mount Black anodized 6061-T6 Alum. Compatible With: Harris-style bipodsHKP-17874Now: $19.95Was: $38.95 -
On Sale
H&K (5.56/.223) Flash Hider - Threaded 1/2x28 - BLEMISHED
H&K Heckler & Koch
Now: $13.95Was: $19.95H&K (5.56/.223) Flash Hider - Threaded 1/2x28 - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This flash hider is threaded 1/2x28 for use on all...HKP-01404-BNow: $13.95Was: $19.95 -
Out Of Stock
H&K HK 416 & HK MR556 Assembly Wrench Tool
H&K Heckler & Koch
$699.95H&K HK 416 & HK MR556 Assembly Wrench Tool Factory HK German multi-tool for the HK416 and MR556. The perfect tool for a complete breakdown.HKP-20616$699.95 -
H&K HK MR556/416 9" Modular Rail System - Black
H&K Heckler & Koch
$399.95H&K HK MR556/416 9" Modular Rail System - Black HK German MR556 & CR556 handgaurd that accepts the HKey style modular rail sections. This is also the forearm that clear the OSS suppressor system. Compatible With: HK MR556 HK 416 CR556 *Weight:...HKP-17341$399.95 -
On Sale
H&K HK MR556/MR762 Tactical Sling Adapter - USED - BLEMISHED
H&K Heckler & Koch
Now: $84.95Was: $130.00H&K HK MR556/MR762 Tactical Sling Adapter - USED - BLEMISHED USED. COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Factory HK German design. New HK...HKP-02507-BNow: $84.95Was: $130.00 -
H&K HK MR556/MR762/416/417 Eyelet Sling Adapter - RAL 8K
H&K Heckler & Koch
$165.99H&K HK MR556/MR762/416/417 Eyelet Sling Adapter - RAL 8K New German HK Factory Eyelet Sling Adapter for Carrying Slings. Compatible With: HK MR556 HK 416 HK MR762 HK 417 HK G28HKP-18855$165.99 -
H&K HK MR762/416/417 Buttstock Release Lever - RAL 8K
H&K Heckler & Koch
$29.95H&K HK MR556/MR762/416/417 Buttstock Release Lever - RAL 8K Compatible With: HK MR556 HK 416 HK MR762 HK 417HKP-19339$29.95 -
HKP HK 416, MR556 Upper Receiver Forging
HKP HK Parts
$88.95HKP HK 416 A1/A3, MR556 Upper Receiver Forging HK Parts' very own 416 upper receiver 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...HKP-21008$88.95 -
HKP HK MR556/416 DMR KeyMod 9" Handguard - Black
HKP HK Parts
$199.95HK MR556 & HK416 Standard Length 9& - KeyMod ForearmHKP-17982$199.95 -
Out Of Stock
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 -
Out Of Stock
Holosun 510 Series Open Reflex Sight - Picatinny Mount
Holosun
$354.95Holosun 510 Series Open Reflex Sight - Universal Picatinny Mount The HS510C is a versatile open reflex optic designed for long gun applications. HS510C is at home on carbines, PCCs, and shotguns due its durable design. HS510C features and aluminum...HKP-21656$354.95