Sharps Bros AR-15 Billet Upper Receiver - SBUR04
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Sharps Bros
Overview
The Sharps Bros AR-15 Billet Upper Receiver - SBUR04 is a stripped upper crafted from billet aluminum, providing a robust platform for your AR-15 build. Its billet construction not only enhances durability but also allows for precise machining that contributes to a clean aesthetic and improved fit with your lower receiver. This upper is commonly found in mid-length gas system builds chambered in 5.56 NATO, making it an excellent choice for those looking to optimize their rifle's performance and handling.
Specifications
August 2026 on GunPartPicker
Sharps Bros AR-15 Billet Upper Receiver - SBUR04 ranked #109 of the 690 upper receivers builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since March 2026. All time, it ranks #120 of the 1,636 upper receivers builders have added. Builds with this upper receiver are mostly chambered in 5.56 NATO (67%, then 300 Blackout 33%), split between mid-length (50%) and pistol-length (50%) gas systems, and nearly all AR-15.
It was out of stock everywhere we track for all of August 2026, and today none of the 5 retailers we track has it in stock right now. Listed prices start at $179.99 at Guns.com for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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Frequently Built With
The part most often added in each category by the 14 builds that include this one
Sharps Bros Showdown Stripped Lower Receiver - Black, Unique Design and High-Performance for Custom AR Builds - SBLR11
Sharps Bros AR-15 Full Top Rail MLOK Handguard - AR-15 10" Full Rail M-LOK Handguard Anodized Black
Ballistic Advantage Performance Series 5.56 Hanson Mid-Length 3 Gun AR-15 Barrel With Pinned Gas Block - 17.7"
Radian Raptor Charging Handle & Talon Safety Selector Combo - OD Green
Cryptic Coatings 5.56 NATO AR-15 Bolt Carrier Group - Mystic Bronze
Wilson Combat AR-15 Starburst Gunfighter Pistol Grip Black
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all 3 →Builds in the community that include the Sharps Bros AR-15 Billet Upper Receiver - SBUR04
| Build | Parts | Total |
|---|---|---|
 | 11 | $1595.70 |
 | 22 | $1987.42 |
 | 19 | $1620.89 |
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