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BRT 12.5" OPTIMUM Upper Receiver Group

SKU URG-12.5-HFCL

$735.00

Barrel

BRT 12.5" OPTIMUM HF CL (21.7oz) (+$325.00)

Hand Guard

11.6" WOA TR M-LOK (+$140.00)

11.5" CMT HDM M-LOK (+$145.00)

11.5" CMT UHPR MOD4 HDX QUAD / M-LOK (+$200.00)

11.7" SLR Solo Lite M-LOK (+$260.00)

11.7" SLR HDX M-LOK (+$305.00)

11.7" SLR ZRO M-LOK (+$315.00)

Mil-Spec Barrel Nut only ( no HG ) (+$15.00)

User Supplied Hand Guard (+$25.00)

Gas Block

BRT MicroPin .750

Pin Gas Block

Yes (+$40.00)

Muzzle Device

A2 (+$15.00)

Covert Comp (+$60.00)

Q Cherry Bomb (+$85.00)

User Supplied Muzzle Device (+$25.00)

None

Install Shimmed Muzzle Device

Yes (+$25.00)

Bolt Carrier Group

None

BRT M4A1 BCG (+$160.00)

Charging Handle

None

Add USGI Charging Handle (+$20.00)

Lead Time

I understand this is Built to Order ( 4+ Weeks )

4 available

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BRT 12.5" OPTIMUM Upper Receiver Group

Product Details

BRT 12.5 OPTIMUM Upper Receiver Group

Barrel: BRT OPTIMUM 12.5" HF CL or BRT OPTIMUM 12.5" SR CL

Gas System: EXC Length, Optimized for 12.5"

Hand Guard: 11.5", 11.6" or 11.7" M-LOK rail.

Upper: Forged from 7075 USGI M4 Upper w/ dry film lube.

Upper is test fired before shipping.

NFA Rules Apply

100% made is USA.

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