1-16 of 5,824 results
1-16 of 5,824 results
Bravo Company
Bravo Company Manufacturing 5.56 Nato Mid-Length Bhf Ar-15 Barreled Upper - Mcmr-15 - 16"
Platform: AR-15
Gas System Length: Mid-Length
Caliber: 5.56 NATO
Platform
AR-15
Gas System Length
Mid-Length
Caliber
5.56 NATO
$881$881
In Stock$881$881
In Stock
Geissele
Geissele Automatics Llc Ar-15 16 Super Duty Stripped Upper Receiver Ddc
5.0 (1 review)
Platform: AR-15
Caliber: 5.56 NATO
Platform
AR-15
Caliber
5.56 NATO
$1,143$1,143
In Stock$1,143$1,143
In Stock
Daniel Defense
Daniel Defense 14.5" 5.56 M4a1 Ar-15 Complete Upper - Flat Dark Earth
5.0 (1 review)
Platform: AR-15
Gas System Length: Carbine
Caliber: 5.56 NATO
Platform
AR-15
Gas System Length
Carbine
Caliber
5.56 NATO
$1,544$1,544
In Stock$1,544$1,544
In Stock
Yankee Hill Machine
Yankee Hill Machine A3 Ar-15 Upper Receiver Assembly
Platform: AR-15
Receiver Type: A3
Platform
AR-15
Receiver Type
A3
$122$122
In Stock$122$122
In Stock
Spike's Tactical
Spike's Tactical Ar-15 Upper Receiver Assembly
Platform: AR-15
Caliber: Multi
Receiver Type: Flat Top
Platform
AR-15
Caliber
Multi
Receiver Type
Flat Top
$100$100
In Stock$100$100
In Stock
Radical Firearms
Radical Firearms 5.56 Socom Complete Ar-15 Upper - Rpr M-Lok Handguard - 16"
Platform: AR-15
Caliber: 5.56 NATO
Platform
AR-15
Caliber
5.56 NATO
$400$400
In Stock$400$400
In Stock
CMMG
CMMG Resolute 16.10" Upper 5.56x45mm with 1:7 Twist Rate and M-LOK Rail - Mid-Length with Charging Handle - Armor Black - 55BB40BAB
Platform: AR-15
Gas System Length: Mid-Length
Caliber: 5.56 NATO
Platform
AR-15
Gas System Length
Mid-Length
Caliber
5.56 NATO
$403$403
In Stock$403$403
In Stock
Battle Arms Development
Battle Arms Development Workhorse Barreled Ar-15 Upper Receiver - M-Lok - 16"
Platform: AR-15
Gas System Length: Mid-Length
Caliber: 5.56 NATO
Platform
AR-15
Gas System Length
Mid-Length
Caliber
5.56 NATO
$448$448
In Stock$448$448
In Stock
Daniel Defense
Daniel Defense 11.5" 5.56 Nato 1:7 Carbine Ar-15 Complete Upper - 10" Mfr Xs M-Lok Rail
Platform: AR-15
Gas System Length: Carbine
Caliber: 5.56 NATO
Platform
AR-15
Gas System Length
Carbine
Caliber
5.56 NATO
$1,100$1,100
In Stock$1,100$1,100
In Stock
TacFire
Tacfire 7" Complete Upper Assembly 5.56x45mm 1:8, Black - BU-556-7
Platform: AR-15
Caliber: 5.56 NATO
Platform
AR-15
Caliber
5.56 NATO
$241$241
In Stock$241$241
In Stock
Daniel Defense
Daniel Defense Ddm4v7 16" Complete Ar-15 Upper With Mfr Xs M-Lok Rail Black - 5.56
Platform: AR-15
Gas System Length: Mid-Length
Caliber: 5.56 NATO
Platform
AR-15
Gas System Length
Mid-Length
Caliber
5.56 NATO
$1,060$1,060
In Stock$1,060$1,060
In Stock
TacFire
Tacfire Ar-15 Stripped Upper Receiver - Minus Bcg
5.0 (2 reviews)
Platform: AR-15
Platform
AR-15
$62$62
In Stock$62$62
In Stock
Palmetto State Armory
PSA AR-15 Upper 5.56 16" Mid-Length Nitride 13.5" M-Lok - 5165448513
Platform: AR-15
Gas System Length: Mid-Length
Caliber: 5.56 NATO
Platform
AR-15
Gas System Length
Mid-Length
Caliber
5.56 NATO
$250$250
In Stock$250$250
In Stock
Yankee Hill Machine
Yankee Hill Machine .223 Rem/5.56 Billet Upper Receiver, Hardcoat Anodized Matte Black - 110-BILLET
4.5 (2 reviews)
Platform: AR-15
Caliber: 5.56 NATO
Receiver Type: Billet
Platform
AR-15
Caliber
5.56 NATO
Receiver Type
Billet
$166$166
In Stock$166$166
In Stock
Yankee Hill Machine
Yankee Hill Machine .223 Rem/5.56 Flat Top Stripped Upper Receiver, Hardcoat Anodized Matte Black - 110
Platform: AR-15
Caliber: 5.56 NATO
Receiver Type: A3
Platform
AR-15
Caliber
5.56 NATO
Receiver Type
A3
$8$8
In Stock$8$8
In Stock
FightLite Industries
Fightlite Industries Mcr Dual-Feed Upper Mlok
Platform: AR-15
Caliber: 5.56 NATO
Platform
AR-15
Caliber
5.56 NATO
$5,800$5,800
In Stock$5,800$5,800
In StockBravo Company
Bravo Company Manufacturing 5.56 Nato Mid-Length Bhf Ar-15 Barreled Upper - Mcmr-15 - 16"
Platform: AR-15
Gas System Length: Mid-Length
Caliber: 5.56 NATO
Platform
AR-15
Gas System Length
Mid-Length
Caliber
5.56 NATO
In Stock
$881$881
$881$881
Geissele
Geissele Automatics Llc Ar-15 16 Super Duty Stripped Upper Receiver Ddc
5.0 (1 review)
Platform: AR-15
Caliber: 5.56 NATO
Platform
AR-15
Caliber
5.56 NATO
In Stock
$1,143$1,143
$1,143$1,143
Daniel Defense
Daniel Defense 14.5" 5.56 M4a1 Ar-15 Complete Upper - Flat Dark Earth
5.0 (1 review)
Platform: AR-15
Gas System Length: Carbine
Caliber: 5.56 NATO
Platform
AR-15
Gas System Length
Carbine
Caliber
5.56 NATO
In Stock
$1,544$1,544
$1,544$1,544
Yankee Hill Machine
Yankee Hill Machine A3 Ar-15 Upper Receiver Assembly
Platform: AR-15
Receiver Type: A3
Platform
AR-15
Receiver Type
A3
In Stock
$122$122
$122$122
Spike's Tactical
Spike's Tactical Ar-15 Upper Receiver Assembly
Platform: AR-15
Caliber: Multi
Receiver Type: Flat Top
Platform
AR-15
Caliber
Multi
Receiver Type
Flat Top
In Stock
$100$100
$100$100
Radical Firearms
Radical Firearms 5.56 Socom Complete Ar-15 Upper - Rpr M-Lok Handguard - 16"
Platform: AR-15
Caliber: 5.56 NATO
Platform
AR-15
Caliber
5.56 NATO
In Stock
$400$400
$400$400
CMMG
CMMG Resolute 16.10" Upper 5.56x45mm with 1:7 Twist Rate and M-LOK Rail - Mid-Length with Charging Handle - Armor Black - 55BB40BAB
Platform: AR-15
Gas System Length: Mid-Length
Caliber: 5.56 NATO
Platform
AR-15
Gas System Length
Mid-Length
Caliber
5.56 NATO
In Stock
$403$403
$403$403
Battle Arms Development
Battle Arms Development Workhorse Barreled Ar-15 Upper Receiver - M-Lok - 16"
Platform: AR-15
Gas System Length: Mid-Length
Caliber: 5.56 NATO
Platform
AR-15
Gas System Length
Mid-Length
Caliber
5.56 NATO
In Stock
$448$448
$448$448
Daniel Defense
Daniel Defense 11.5" 5.56 Nato 1:7 Carbine Ar-15 Complete Upper - 10" Mfr Xs M-Lok Rail
Platform: AR-15
Gas System Length: Carbine
Caliber: 5.56 NATO
Platform
AR-15
Gas System Length
Carbine
Caliber
5.56 NATO
In Stock
$1,100$1,100
$1,100$1,100
TacFire
Tacfire 7" Complete Upper Assembly 5.56x45mm 1:8, Black - BU-556-7
Platform: AR-15
Caliber: 5.56 NATO
Platform
AR-15
Caliber
5.56 NATO
In Stock
$241$241
$241$241
Daniel Defense
Daniel Defense Ddm4v7 16" Complete Ar-15 Upper With Mfr Xs M-Lok Rail Black - 5.56
Platform: AR-15
Gas System Length: Mid-Length
Caliber: 5.56 NATO
Platform
AR-15
Gas System Length
Mid-Length
Caliber
5.56 NATO
In Stock
$1,060$1,060
$1,060$1,060
TacFire
Tacfire Ar-15 Stripped Upper Receiver - Minus Bcg
5.0 (2 reviews)
Platform: AR-15
Platform
AR-15
In Stock
$62$62
$62$62
Palmetto State Armory
PSA AR-15 Upper 5.56 16" Mid-Length Nitride 13.5" M-Lok - 5165448513
Platform: AR-15
Gas System Length: Mid-Length
Caliber: 5.56 NATO
Platform
AR-15
Gas System Length
Mid-Length
Caliber
5.56 NATO
In Stock
$250$250
$250$250
Yankee Hill Machine
Yankee Hill Machine .223 Rem/5.56 Billet Upper Receiver, Hardcoat Anodized Matte Black - 110-BILLET
4.5 (2 reviews)
Platform: AR-15
Caliber: 5.56 NATO
Receiver Type: Billet
Platform
AR-15
Caliber
5.56 NATO
Receiver Type
Billet
In Stock
$166$166
$166$166
Yankee Hill Machine
Yankee Hill Machine .223 Rem/5.56 Flat Top Stripped Upper Receiver, Hardcoat Anodized Matte Black - 110
Platform: AR-15
Caliber: 5.56 NATO
Receiver Type: A3
Platform
AR-15
Caliber
5.56 NATO
Receiver Type
A3
In Stock
$8$8
$8$8
FightLite Industries
Fightlite Industries Mcr Dual-Feed Upper Mlok
Platform: AR-15
Caliber: 5.56 NATO
Platform
AR-15
Caliber
5.56 NATO
In Stock
$5,800$5,800
$5,800$5,800
Page 1 of 364
Page 1 of 364
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
Not sure which upper receiver to pick?
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Read the full guide: Most Popular AR-15 Upper Receivers →Shop upper receivers by brand
- Aero Precision
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- Geissele
- Ghost Firearms
- Harrington & Richardson
- Magpul
- Noveske
- Palmetto State Armory
- POF-USA
- Primary Weapon Systems
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