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Battle Arms Development
Overview
The Battle Arms Development Inc. Lightweight Billet Upper Receiver is a stripped upper designed specifically for the AR-15 platform, crafted from billet aluminum for strength while minimizing weight. It accommodates the .223 Wylde caliber, allowing for versatile ammunition use and enhanced accuracy. This upper receiver is commonly found in builds utilizing a mid-length gas system, making it an excellent choice for builders looking for a streamlined and efficient setup.
Battle Arms Development Lightweight Billet Upper Receiver ranked #168 of the 615 upper receivers builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #160 of the 1,642 upper receivers builders have added. Builds with this upper receiver are nearly all chambered in .223 Wylde, nearly all on carbine-length gas, and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today 2 of the 4 retailers we track have it in stock. The best price crept up from $239 to $250.95 over September 2026. Buying today, the lowest price is $239 at Optics Planet, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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 →Check it against the live catalog:
The part most often added in each category by the 18 builds that include this one

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Radian Raptor Charging Handle & Talon Safety Selector Combo - OD Green

Cryptic Coatings 5.56 NATO AR-15 Bolt Carrier Group - Mystic Bronze

Midwest Industries 9.25" Quad Rail Combat T-Series Free Float Handguard, Black Anodized - MI-CRT9.5
Builds in the community that include the Battle Arms Development Inc. Lightweight Billet Upper Receiver
| Build | Parts | Total |
|---|---|---|
![]() | 18 | $1405.43 |
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