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Upper Receiver: most added in September 2026
The upper receiver parts builders added most in September 2026, ranked from every build on GunPartPicker.
- 1.Bravo Company Manufacturing 5.56 NATO Mid-Length Bhf AR-15 Barreled Upper - MCMR-15 - 16"Bravo Company
- 2.Geissele Automatics AR-15 16 Super Duty Stripped Upper Receiver DdcGeissele
- 3.PSA AR-15 Upper 5.56 16" Mid-Length Nitride 13.5" M-LOK - 5165448513Palmetto State Armory
- 4.Spike's Tactical AR-15 Upper Receiver AssemblySpike's Tactical
- 5.Daniel Defense 14.5" 5.56 M4A1 AR-15 Complete Upper - Flat Dark EarthDaniel Defense
Updated · counts come from real builds on GunPartPicker
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Read the full guide: Most Popular AR-15 Upper Receivers →Shop upper receivers by brand
- Aero Precision
- Ballistic Advantage
- Bravo Company
- Brownells
- CMMG
- Colt
- Daniel Defense
- Faxon Firearms
- Foxtrot Mike Products
- Geissele
- Ghost Firearms
- Harrington & Richardson
- Noveske
- Palmetto State Armory
- POF-USA
- Primary Weapon Systems
- Radian
- Radical Firearms
- Rock River Arms
- Sons of Liberty Gun Works
- Spike's Tactical
- Stag Arms
- TacFire
- WMD Guns
- All brands A to Z →
Prices checked · refreshed daily across 35 retailers