HK416 / MR556 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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On Sale
HK416, MR556, G36 Gas Piston - Incomplete
H&K Heckler & Koch
Now: $43.18Was: $59.95Heckler and Koch HK416, MR556, G36 Incomplete Gas Piston INCOMPLETE This is a great spare part to have on hand, as the gas piston takes a lot of wear and tear. Compatible With: MR556, HK416HKP-99818Now: $43.18Was: $59.95On Sale
HK416, MR556 Threaded Pin for Buttstock Release Inserts - E1, E2 - BLEMISHED
H&K Heckler & Koch
Now: $3.35Was: $5.95H&K HK MR556/416 Threaded Pin for E1/E2 Buttstock Release Lever Insert - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL...HKP-16604-BNow: $3.35Was: $5.95
HK416, MR556 Trigger Guard
HKP HK Parts
$39.95HKP HK Parts Trigger Guard for HK416 and HK MR556 Upgrade your HK416 or MR556 with a durable trigger guard designed to provide improved strength and enhanced ergonomics. Featuring a larger, rounded...HKP-22896-M$39.95
HK416 Laser and Light - X5L-RS
Viridian
$448.95Viridian X5L-RS Gen 3 Green Laser and 500 Lumen Tactical Light - HK416 / Picatinny Rail The Viridian X5L-RS Gen 3 combines a 5mW green laser with a 500-lumen tactical light in a compact rail-mounted...HKP-22887$448.95
HK416, MR556 Free Floating Handguard - 14.5" - M-LOK - Super Modular
Geissele
$549.95Geissele MK15 Free Floating M-LOK Handguard for HK416 and MR556 - 14.5" - Desert Dirt Color Geissele Automatics MK15 free float handguard for HK416 and MR556 platforms. Designed as a direct-fit...HKP-22853$549.95
QD Offset Adapter 4mm Compatible with Surefire G2
B&T Brugger & Thomet
$28.95B&T QD Offset Adapter 4mm compatible with Surefire G2Secure your Surefire G2 weapon light to any Picatinny rail section on your firearm with this quick detach, light-weight mount from B&T. Compatible...HKP-99445$28.95On Sale
HK416, MR556 9" Modular Rail System - Black - BLEMISHED
H&K Heckler & Koch
Now: $215.21Was: $399.95H&K HK MR556/416 9" Modular Rail System - Black - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN...HKP-17341-BNow: $215.21Was: $399.95Out Of Stock
HK416 E1 Collapsible Buttstock - Mil Spec - RAL7008
H&K Heckler & Koch
$0.00Collapsible HK 416 E1 Style Mil Spec - HK 416 RAL 7008 - Dark Earth Color Genuine Heckler & Koch HK416 surplus buttstocks in the RAL 7008 color scheme. HK-USA nows offers these surplus E1 Mil-Spec...HKP-19503$0.00Out Of Stock
HK416, MR556 Upper Conversion Kit - Threaded 1/2x28, - 5.56x45 / .223
HKP HK Parts
$699.95H&K MR556 & HK416 (5.56x45/.223) Upper Conversion Kit - Threaded 1/2x28 Finally an answer for all of those that have been wanting a 14.5" upper for an HK416 or MR556. This conversion kit adds an...HKP-17877$699.95Out Of Stock
HK417, MR556, MR762 Trigger Guard - A5 Style - RAL8000
HKP HK Parts
$39.95HKP HK 416 A5 Style Trigger Guard - MR556/416/MR762/417 - RAL 8K Compatible With: MR556 & 416 MR762 & 417HKP-17832$39.95On Sale
HK416, MR556 Quad Rail - Short - KeyMod
HKP HK Parts
Now: $127.47Was: $199.95MR556/416 KeyMod Quad Rail - ShortHKP-17985Now: $127.47Was: $199.95Out Of Stock
HK416, MR556 H-Key Complete Short Handguard - FDE
H&K Heckler & Koch
$0.00H&K HK MR556/416 H-Key Complete Short Handguard - FDE Slim line handguard with H-Key mounting slots, short. Compatible With:HKP-18696$0.00