Battle Arms Development Workhorse Stripped Lower Receiver 5.56 NATO / .223 Rem
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Battle Arms Development
Overview
The Battle Arms Development Workhorse Stripped Lower Receiver is designed for the AR-15 platform and is stripped for custom assembly. Crafted from 7075-T6 aluminum and finished with hardcoat anodizing, this receiver is robust yet lightweight, ensuring durability in any build. With non-ambidextrous controls and a trigger pin size of .154, it is tailored for streamlined performance in a standard configuration. This lower receiver is frequently used in builds featuring a mid-length gas system and chambered in 5.56 NATO.
Specifications
Battle Arms Development Workhorse Stripped Lower Receiver 5.56 NATO / .223 Rem
Available Merchants(5)
Prices checked
Price Alert
September 2026 on GunPartPicker
Battle Arms Development Workhorse Stripped Lower Receiver 5.56 NATO / .223 Rem ranked #89 of the 477 lower 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 #247 of the 1,096 lower receivers builders have added. Builds with this lower receiver are mostly chambered in 5.56 NATO (90%, then 300 Blackout 10%), split between carbine-length (50%) and mid-length (50%) gas systems, and nearly all AR-15.
It was in stock most days in September 2026, and today 4 of the 5 retailers we track have it in stock. The best price drifted down from $131.95 to $125 over September 2026 without a real sale. Buying today, the lowest price is $125 at BattleHawk Armory, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
Geissele Automatics S3G Super 3 Gun Trigger
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Battle Arms Development Workhorse Forged AR-15 Upper Receiver - Stripped
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Fortis AR-15 Magazine Catch & Release
Bootleg 5.56 Charging Handle For AR-15 Rifles, Black - BP-CH
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.
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