Brownells BRN-15 11.50" Railed Upper 5.56x45mm 1:7 Carbine-Length no BCG&CH, Black

All Brownells upper receivers
Brownells BRN-15 11.50" Railed Upper 5.56x45mm 1:7 Carbine-Length no BCG&CH, Black - Upper Receiver for AR-15 - view 1
Buy Now

Brownells

Overview

The Brownells BRN-15 11.50" Railed Upper is a complete upper receiver designed for the AR-15 platform, featuring an 11.5-inch barrel chambered in 5.56 NATO. With a carbine-length gas system and a 1:7 twist rate, this upper is optimized for stability and accuracy, allowing for effective performance with a range of bullet weights. This upper is commonly used in shorter, maneuverable builds where compactness and rapid handling are essential.

Specifications

MPN4027-3410-B4
AssemblyComplete
Twist Rate1:7
PlatformAR-15
ColorBlack
Barrel Length11.5
Gas System LengthCarbine
Caliber5.56 NATO

Available Merchants(1)

Prices checked

Price Alert

Get an email if the price drops 10% or more.
Brownells logo
Brownells
Free shipping
Shipping Speed
In Stock
$344

Build history on GunPartPicker

Builders have been adding the Brownells BRN-15 11.50" Railed Upper 5.56x45mm 1:7 Carbine-Length no BCG&CH, Black to their builds on GunPartPicker since March 2026. All time, it ranks #222 of the 1,709 upper receivers builders have added.

Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today the one retailer we track has it in stock. Prices barely moved in September 2026, holding around $343.99, so there haven't been real sales lately. Buying today, the lowest price is $343.99 at Brownells, which matches the best price we saw in September.

Trending upper receivers →

Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers

Not sure which upper receiver to pick?

We ranked every upper receiver by how often it shows up in real builds on GunPartPicker.

Read the guide: Most Popular AR-15 Upper Receivers →

Review this product

Share your thoughts with other customers

Be the first to review

No reviews yet. Be the first to review this product!