Black Rain Ordnance SPEC15 Forged 223 Rem/5.56 NATO Lower, Black Finish- BROSPEC15LR
All Black Rain Ordnance lower receivers
Click to see full view
Plan where it ships
Firearms ship to a dealer (FFL), not your door. Pick one now to see your full cost.
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
Available Merchants(1)
Prices checked
Stock Alert
October 2026 on GunPartPicker
Black Rain Ordnance SPEC15 Forged 223 Rem/5.56 NATO Lower, Black Finish- BROSPEC15LR ranked #335 of the 588 lower receivers builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #227 of the 1,221 lower receivers builders have added. Builds with this lower receiver are mostly chambered in 5.56 NATO (92%, then 300 Blackout 8%), mostly on mid-length gas (75%, then pistol-length 13%), 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 37 retailers
Not sure which lower receiver to pick?
We ranked every lower receiver by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Lower Receiver Trends →Check it against the live catalog:
Frequently Built With
The part most often added in each category by the builds that include this one
Black Rain Ordnance Flat Top Milled Upper Receiver, Black - BRO-MUR-2
CMMG AR-15 Mil-Spec Trigger KIT
Timber Creek Enforcer AR Pistol Grip, Black - E ARPG Black
PRO Ambidextrous Safety Selector for AR-15 Black
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 builds →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 | $1427.12 |
No reviews yet. Be the first to review this product!