Brownells Brn-180 Gen 2 Complete Upper Receiver Assembly - Brn-180S AR-15 10" 300BLK Upper Receiver Assembly
Click to see full view
Brownells
Overview
The Brownells Brn-180 Gen 2 Complete Upper Receiver Assembly - Brn-180S AR-15 10" 300BLK Upper Receiver Assembly is a upper receiver. Compare prices from multiple merchants and find the best deal.
Specifications
Brownells Brn-180 Gen 2 Complete Upper Receiver Assembly - Brn-180S AR-15 10" 300BLK Upper Receiver Assembly
Available Merchants
Price Alert
Log in to set a price alert on this product.
No Available merchants at this time.
Build history on GunPartPicker
Builders on GunPartPicker first added the Brownells Brn-180 Gen 2 Complete Upper Receiver Assembly - Brn-180S AR-15 10" 300BLK Upper Receiver Assembly to a build in April 2026.
Updated · from real builds on GunPartPicker
Not sure which upper receiver to pick?
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:
Frequently Built With
The part most often added in each category by the builds that include this one
Griffin Armament .300 Blackout Hedp AR-15 Barrel - 9.5"
Geissele Automatics Reliability Enhancement KIT H3
Radian Extended Bolt Catch
Radian Weapons Raptor-SD Ambidextrous AR-10/SR-25 Charging Handle, Black - R0012
Dueck Defense AR-15 Offset Rapid Transition Sight Set Black
Black Rain Ordnance SPEC15 Forged 223 Rem/5.56 NATO Lower, Black Finish- BROSPEC15LR
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
No reviews yet. Be the first to review this product!