Upper Receivers: most added in August 2026
The parts builders added most in August 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 · Upper Receiver
- 2.Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M4Bravo Company · Upper Receiver
- 3.Geissele Automatics AR-15 16 Super Duty Stripped Upper Receiver DdcGeissele Automatics · Upper Receiver
- 4.Yankee Hill Machine A3 AR-15 Upper Receiver AssemblyYankee Hill Machine · Upper Receiver
- 5.Spike's Tactical AR-15 Upper Receiver AssemblySpike's Tactical · Upper Receiver
- 6.Aero Precision M4E1 Threaded Complete Upper, 16" 5.56 Mid-Length Barrel w/ 15" ATLAS R-ONE M-LOK Handguard - FDEAero Precision · Upper Receiver
- 7.Wilson Combat AR-15 Billet Upper ReceiverWilson Combat · Upper Receiver
- 8.Aero Precision M4E1 Threaded Stripped AR-15 Upper - No Forward Assist - Anodized BlackAero Precision · Upper Receiver
- 9.PSA AR-15 Built Stealth Upper Receiver - No T Marks - 516444539Palmetto State Armory · Upper Receiver
- 10.PSA AR-15 Upper 5.56 16" Mid-Length Nitride 13.5" M-LOK - 5165448513Palmetto State Armory · Upper Receiver
Updated · counts come from real builds on GunPartPicker
Most Popular AR-15 Upper Receivers This Week
These rankings update every 30 minutes based on what GunPartPicker visitors are actually clicking through to buy — not just browsing. Compare prices and stock status across all our partner merchants in one place, and use the Sort menu to switch between Today's data and the full week or to reorder by price.
Upper Receiver
Ar-15 Mk1 Mod 1-M Upper Receiver Assembly 223 Wylde M-Lok - Mk111 Mod 1-M 223 Wylde Upper Receiver W/11.85'''' Bbl
$1049.95
Upper Receiver
Bravo Company Manufacturing 5.56 Nato Mid-Length Bhf Ar-15 Barreled Upper - Mcmr-15 - 16"
$880.95
Upper Receiver
Yankee Hill Machine A3 Ar-15 Upper Receiver Assembly
$121.75
Upper Receiver
Spike's Tactical Ar-15 Upper Receiver Assembly
$99.99
Upper Receiver
OpticsPlanet Exclusive Daniel Defense Custom A4 Upper Receiver Group 14.5 in GV MID Daniel Defense Extended Flash Suppressor MFR 13.5 Mil Spec
$902.49
Upper Receiver
PSA AR-15 Upper 5.56 16" Mid-Length Nitride 13.5" M-Lok - 5165448513
$249.99
Upper Receiver
Geissele Automatics Llc Ar-15 16 Super Duty Stripped Upper Receiver Ddc
$1092.50
Upper Receiver
Aero Precision M4E1 Threaded Complete Upper 10" .300 Blackout Barrel ATLAS R-ONE 9" M-LOK HG - FDE Cerakote
$149.99
Upper Receiver
Brn-10A(R) Upper Receiver
$329.99
Upper Receiver
Tacfire 7" Complete Upper Assembly 5.56x45mm 1:8, Black - BU-556-7
$241.33
Upper Receiver
Aero Precision M4E1-E Complete Upper, 16" 5.56 Mid Barrel, Quantum 12" M-LOK HG - Anodized Black
$49.99
Upper Receiver
Bravo Company Manufacturing Standard Carbine Upper Receiver Group - MCMR-10 Handguard - 11.5"
$775.35
Upper Receiver
PSA 11.5" 5.56 NATO 1/7 Nitride 10.5" Lightweight Hex M-Lok Upper - Without BCG & CH
Upper Receiver
PSA AR-15 Built Stealth Upper Receiver - No T Marks - 516444539
$99.99
Upper Receiver
CMMG Resolute 16.10" Upper 5.56x45mm with 1:7 Twist Rate and M-LOK Rail - Mid-Length with Charging Handle - Armor Black - 55BB40BAB
$444.99
Upper Receiver
PSA 8.5" Pistol-length 300AAC Blackout Nitride 7" Lightweight M-Lok Upper - No BCG or CH
$219.99
Upper Receiver
Mk18 5.56 Upper Receiver Group Complete - Mk18 10.3'''' Upper Receiver 5.56 1-7 Govt Fde
$1279.99
Upper Receiver
Daniel Defense 11.5" 5.56 Nato 1:7 Carbine Ar-15 Complete Upper - 10" Mfr Xs M-Lok Rail
$1244.00
Upper Receiver
Aero Precision M4E1 Threaded Complete Upper 18" 5.56 Rifle Length Barrel ATLAS R-ONE 15" M-LOK HG Anodized
$149.99
Upper Receiver
PSA Gen3 PA10 18" Mid-Length .308 1/10 Nitride 15" M-lok Upper - With BCG & CH
$499.99
Upper Receiver
PSA 10.5" 5.56 NATO 1:7 Nitride Upper - without BCG or Charging Handle - 507020
$199.99
Upper Receiver
Faxon Firearms Enhanced Forged 338 ARC Stripped Upper Receivers With Completion Kit Black
$103.50
Upper Receiver
Tacfire Ar-15 Stripped Upper Receiver - Minus Bcg
$73.24
Upper Receiver
Geissele Automatics Super Duty MOD1 5.56 NATO Complete Upper Receiver - 12.5" - Black
$1201.99