Work Order 416 Conversion Services Spray-On Finish

Everything you need to convert your MR556 to a 416, see options.

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Choose your laser engraving/marking options

Add the "bullet markings" to your unmarked lower or just add the full auto position, if you need it.

Basic disassembly and reassembly: Required unless you are sending "stripped" parts that do not require disassembly or reassembly.

This is the machining service required to install the ambidextrous A5/A7/MR223 etc... HK bolt catch/release. Service only, no parts included.

Choose your barrel work, threading and gas system modification options. 1/2 x 28 in. thread is standard. Contact us if you need something custom.

Extended barrel using your supplied muzzle device, usually for 16" OAL builds.

Laser engraving for your Form 1 tax stamp. Required if you plan to register your gun as a Short Barreled Rifle.

Required to use standard 416 or MR556 barrels in an "indexing tab" style A5/MR223 upper receiver.

Cross pin notching and correct location installation. Choose your barrel type.

For making your semi-auto upper compatible with post sample and transferable machinegun lowers.

Low shelf/M16 lower receiver pocket machining. ( Does NOT make your firearm full auto. All NFA rules apply )

Set value package insurance, if you'd like to add it. This is optional. All packages will ship with tracking and signature confirmation regardless.