Black Rain Ordnance SPEC15 Forged 223 Rem/5.56 NATO Lower, Black Finish- BROSPEC15LR
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Black Rain Ordnance
Overview
The Black Rain Ordnance SPEC15 Forged Lower Receiver is a stripped lower designed for the AR-15 platform, allowing builders the flexibility to customize their rifle from the ground up. This lower is compatible with the 5.56 NATO caliber, making it suitable for a wide range of applications, whether for sport shooting or tactical use. It's commonly found in builds utilizing a mid-length gas system, providing a balanced shooting experience that builders often seek.
Specifications
Black Rain Ordnance SPEC15 Forged 223 Rem/5.56 NATO Lower, Black Finish- BROSPEC15LR
September 2026 on GunPartPicker
Black Rain Ordnance SPEC15 Forged 223 Rem/5.56 NATO Lower, Black Finish- BROSPEC15LR ranked #104 of the 477 lower receivers builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since March 2026. All time, it ranks #169 of the 1,002 lower receivers builders have added. Builds with this lower receiver are mostly chambered in 5.56 NATO (80%, then 300 Blackout 20%), split between mid-length (50%) and pistol-length (25%) gas systems, and nearly all AR-15.
Today the one retailer we track is out of stock. Listed prices start at $122.29 at BattleHawk Armory 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 19 builds that include this one
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CMMG AR-15 Mil-Spec Trigger KIT
Timber Creek Enforcer AR Pistol Grip, Black - E ARPG Black
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Strike Industries Ambidextrous Magazine Release, Black - ARAMBIMRBK
CMMG AR-15 Carbine Buffer Assembly - 55CA977
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 1 →Builds in the community that include the Black Rain Ordnance SPEC15 Forged 223 Rem/5.56 NATO Lower, Black Finish- BROSPEC15LR
| Build | Parts | Total |
|---|---|---|
 | 13 | $1579.27 |
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