Upper — Best Prices Today

4,388 listings tracked · 1,677 in stock

4,388 upper listings are tracked, 1,677 of them in stock across 20 retailers. In-stock listings appear first. Each upper product page shows its current offers and recorded price history.

Used: Guns.com 4 from $949.99
CMMG Mk4 .300BLK Banshee Upper Group Receiver 12.5in Coyote Tan
Optics Planet
CMMG Mk4 .300BLK Banshee Upper Group Receiver 12.5in Coyote Tan
$789.99
Out of stock
Free shipping over $49
Tiger Rock Upper Receiver AR-15 Stripped Black Small
Optics Planet
Tiger Rock Upper Receiver AR-15 Stripped Black Small
$75.99
Out of stock
Free shipping over $49
Spikes Tactical Upper 5.56 16in CHF Midlength w/ 13.2in BAR2 Rail
Optics Planet
Spikes Tactical Upper 5.56 16in CHF Midlength w/ 13.2in BAR2 Rail
$797.40
Out of stock
Free shipping over $49
V Seven Harbinger 308 Sbr Complete Upper w/Helios 11.5in 11.5HAR 308SBRH-UR
Optics Planet
V Seven Harbinger 308 Sbr Complete Upper w/Helios 11.5in 11.5HAR 308SBRH-UR
$2,066.10
Out of stock
Free shipping over $49
CMMG Mk3 .308WIN Resolute Upper Group Receiver 16.1in Sniper Grey
Optics Planet
CMMG Mk3 .308WIN Resolute Upper Group Receiver 16.1in Sniper Grey
$989.99
Out of stock
Free shipping over $49
Guntec USA AR-15 5.56x45mm NATO Slabside Stripped Billet Upper Receiver Anodized Grey
Optics Planet
Guntec USA AR-15 5.56x45mm NATO Slabside Stripped Billet Upper Receiver Anodized Grey
$129.99
Out of stock
Free shipping over $49
Aero Precision M4E1-T PRO CHF M4 5.56mm 13.9 inch Complete Upper Receiver Hanson Mid Length 1-7 Twist A2 Birdcage Anodized Black
Optics Planet
Aero Precision M4E1-T PRO CHF M4 5.56mm 13.9 inch Complete Upper Receiver Hanson Mid Length 1-7 Twist A2 Birdcage Anodized Black
$724.99
Out of stock
Free shipping over $49
Blackout Defense Complete Dual Taper Lock .223 Wylde Upper Receiver Group Slick Side 13.9in Mid Black
Optics Planet
Blackout Defense Complete Dual Taper Lock .223 Wylde Upper Receiver Group Slick Side 13.9in Mid Black
$1,294.99
Out of stock
Free shipping over $49
Aero Precision M4E1-E Complete Upper 14.5in 5.56 M4 Carbine Barrel EM-12 Handguard Gen 2 Cerakote Flat Dark Earth
Optics Planet
Aero Precision M4E1-E Complete Upper 14.5in 5.56 M4 Carbine Barrel EM-12 Handguard Gen 2 Cerakote Flat Dark Earth
$604.99
Out of stock
Free shipping over $49
Bear Creek Arsenal BC-15 5.56 NATO 16in Upper Receiver M4 Mid-Length 1-7 1/2x28 Flash Hider Black Nitride
Optics Planet
Bear Creek Arsenal BC-15 5.56 NATO 16in Upper Receiver M4 Mid-Length 1-7 1/2x28 Flash Hider Black Nitride
$349.99
Out of stock
Free shipping over $49
Aero Precision Complete Upper Receiver M4E1 .300 Blackout Barrel EM-15 HG No BCG/Charging Handle Gen 2 FDE Cerakote 16in APAR600252M14
Optics Planet
Aero Precision Complete Upper Receiver M4E1 .300 Blackout Barrel EM-15 HG No BCG/Charging Handle Gen 2 FDE Cerakote 16in APAR600252M14
$559.99
Out of stock
Free shipping over $49
Mitchell Defense DOC 14.5in 5.56 NATO Upper Receiver Cold Hammer Forged Chrome-Lined Barrel Jungle Green Finish M-LOK Free-Float Handguard
Optics Planet
Mitchell Defense DOC 14.5in 5.56 NATO Upper Receiver Cold Hammer Forged Chrome-Lined Barrel Jungle Green Finish M-LOK Free-Float Handguard
$1,225.50
Out of stock
Free shipping over $49
Grid Defense Complete Upper Receiver 5.56mm 10.5 inch Carbine Length 4150 Steel M4 Barrel 1-7 Twist A2 Flash Hider Blue Titanium
Optics Planet
Grid Defense Complete Upper Receiver 5.56mm 10.5 inch Carbine Length 4150 Steel M4 Barrel 1-7 Twist A2 Flash Hider Blue Titanium
$309.99
Out of stock
Free shipping over $49
CMMG MkG .45 ACP Banshee Upper Group Receiver 8in Titanium
Optics Planet
CMMG MkG .45 ACP Banshee Upper Group Receiver 8in Titanium
$849.99
Out of stock
Free shipping over $49
CMMG Mk3 Endeavor Upper Receiver Group 6.5mm Creedmoor 24in Armor Black
Optics Planet
CMMG Mk3 Endeavor Upper Receiver Group 6.5mm Creedmoor 24in Armor Black
$1,089.00
Out of stock
Free shipping over $49