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 DISSENT Mk4 300BLK 14.5in P&W Upper Receiver 1-7 Twist 5/8 X 24 TPI .750in 23.6in Armor Black
Optics Planet
CMMG DISSENT Mk4 300BLK 14.5in P&W Upper Receiver 1-7 Twist 5/8 X 24 TPI .750in 23.6in Armor Black
$1,299.00
Out of stock
Free shipping over $49
Bear Creek Arsenal BC15 5.56 NATO 16in Right Upper Receiver M4 Carbine 1-8 1/2x28 Flash Hide Black Nitride FDE
Optics Planet
Bear Creek Arsenal BC15 5.56 NATO 16in Right Upper Receiver M4 Carbine 1-8 1/2x28 Flash Hide Black Nitride FDE
$319.99
Out of stock
Free shipping over $49
AIM Sports Inc Semi-Complete 5.56 AR Upper Parts Kit No Bcg Or Charging Handle Black Small Black Small
Optics Planet
AIM Sports Inc Semi-Complete 5.56 AR Upper Parts Kit No Bcg Or Charging Handle Black Small Black Small
$299.99
Out of stock
Free shipping over $49
Ghost Firearms Elite Complete Upper Receiver 5.56x45 NATO 7.5 inch Pistol Length 4150 M4 Barrel 1-7 Twist 7 inch M-LOK Free Float Hand Guard A2 Flash
Optics Planet
Ghost Firearms Elite Complete Upper Receiver 5.56x45 NATO 7.5 inch Pistol Length 4150 M4 Barrel 1-7 Twist 7 inch M-LOK Free Float Hand Guard A2 Flash
$299.99
Out of stock
Free shipping over $49
CMMG Dissent Mk3 6.5mm Creedmoor 20 inch Upper Receiver 1-8 Twist 5/8 x 24 CMMG ZEROED Muzzle Brake Cerakote/Hard Coat Anodized Armor Black
Optics Planet
CMMG Dissent Mk3 6.5mm Creedmoor 20 inch Upper Receiver 1-8 Twist 5/8 x 24 CMMG ZEROED Muzzle Brake Cerakote/Hard Coat Anodized Armor Black
$1,329.00
Out of stock
Free shipping over $49
V Seven Harbinger 308 Complete Upper 1-10 twist 5/8x24 Thread Ultralight 16in Black 16HAR 308 FLT-UR
Optics Planet
V Seven Harbinger 308 Complete Upper 1-10 twist 5/8x24 Thread Ultralight 16in Black 16HAR 308 FLT-UR
$2,393.96
Out of stock
Free shipping over $49
ABC RIFLE COMPANY AR-15 7.62x39mm 16in Barrel 15in Lightweight Hybrid M-LOK Handguard Complete Build Upper Receiver 1-10 Twist 5/8x24 A2 Style Muzzle
Optics Planet
ABC RIFLE COMPANY AR-15 7.62x39mm 16in Barrel 15in Lightweight Hybrid M-LOK Handguard Complete Build Upper Receiver 1-10 Twist 5/8x24 A2 Style Muzzle
$389.99
Out of stock
Free shipping over $49
Bear Creek Arsenal BC-15 5.56 NATO 16in Upper Receiver M4 Barrel Mid-Length 1-7 Twist 1/2x28 Flash Hider Parkerized
Optics Planet
Bear Creek Arsenal BC-15 5.56 NATO 16in Upper Receiver M4 Barrel Mid-Length 1-7 Twist 1/2x28 Flash Hider Parkerized
$309.99
Out of stock
Free shipping over $49
CMMG Resolute Mk3 8.6 Blackout 16.1 inch Upper Receiver 1-3 Twist 5/8 x 24 CMMG ZEROED Muzzle Brake Cerakote Charcoal Green
Optics Planet
CMMG Resolute Mk3 8.6 Blackout 16.1 inch Upper Receiver 1-3 Twist 5/8 x 24 CMMG ZEROED Muzzle Brake Cerakote Charcoal Green
$1,009.00
Out of stock
Free shipping over $49
STNGR AR-15 .223 Wylde 16in M-LOK Complete Upper Receiver w/15in VYPR Handguard BCG & CH Flat Dark Earth Cerakote
Optics Planet
STNGR AR-15 .223 Wylde 16in M-LOK Complete Upper Receiver w/15in VYPR Handguard BCG & CH Flat Dark Earth Cerakote
$534.99
Out of stock
Free shipping over $49
L2D Combat Complete Catalyst Upper Threaded Glock 17 Gen 3 Black/TIN
Optics Planet
L2D Combat Complete Catalyst Upper Threaded Glock 17 Gen 3 Black/TIN
$882.55
Out of stock
Free shipping over $49
CMMG Mk3 Endeavor Upper Receiver Group 6.5mm Creedmoor 20in Armor Black
Optics Planet
CMMG Mk3 Endeavor Upper Receiver Group 6.5mm Creedmoor 20in Armor Black
$1,019.00
Out of stock
Free shipping over $49
ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol 5in Barrel M-LOK Handguard Upper Receiver w/BCG And Charging Handle Flat Dark Earth
Optics Planet
ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol 5in Barrel M-LOK Handguard Upper Receiver w/BCG And Charging Handle Flat Dark Earth
$359.99
Out of stock
Free shipping over $49
CMMG Mk4 .300BLK Resolute Upper Group Receiver 16.1in Sniper Grey
Optics Planet
CMMG Mk4 .300BLK Resolute Upper Group Receiver 16.1in Sniper Grey
$819.99
Out of stock
Free shipping over $49
ABC RIFLE COMPANY AR-15 .300 AAC Blackout Pistol 10in Quadrail Handguard Complete Upper Receiver w/BCG And Charging Handle Burnt Bronze
Optics Planet
ABC RIFLE COMPANY AR-15 .300 AAC Blackout Pistol 10in Quadrail Handguard Complete Upper Receiver w/BCG And Charging Handle Burnt Bronze
$389.99
Out of stock
Free shipping over $49
Next Level Armament Horus AR-15 9mm Luger 16 inch Upper Receiver Conversion Kit Black with 33 Round Magazine 33RD
Optics Planet
Next Level Armament Horus AR-15 9mm Luger 16 inch Upper Receiver Conversion Kit Black with 33 Round Magazine 33RD
$885.00
Out of stock
Free shipping over $49
XTS Complete Upper Receiver w/o BCG AR-15 300 BO 19.5in 10.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Silver
Optics Planet
XTS Complete Upper Receiver w/o BCG AR-15 300 BO 19.5in 10.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Silver
$299.99
Out of stock
Free shipping over $49
Ghost Firearms Elite Complete Upper Receiver 5.56x45 NATO 16in Carbine Length 4150 M4 Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2 Birdcage
Optics Planet
Ghost Firearms Elite Complete Upper Receiver 5.56x45 NATO 16in Carbine Length 4150 M4 Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2 Birdcage
$309.99
Out of stock
Free shipping over $49
Wilson Combat Upper Receiver 5.56x45mm NATO AR-15 Forged Anodized Black
Optics Planet
Wilson Combat Upper Receiver 5.56x45mm NATO AR-15 Forged Anodized Black
$102.95
Out of stock
Free shipping over $49
XTS Complete Upper Receiver w/o BCG AR-15 300 BO 24.75in 16in Barrel Carbine 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish
Optics Planet
XTS Complete Upper Receiver w/o BCG AR-15 300 BO 24.75in 16in Barrel Carbine 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish
$269.99
Out of stock
Free shipping over $49
CMMG Dissent Mk3 8.6 Blackout 16.1 inch Upper Receiver 1-3 Twist 5/8 x 24 CMMG ZEROED Muzzle Brake Cerakote or Hard Coat Anodized Armor Black
Optics Planet
CMMG Dissent Mk3 8.6 Blackout 16.1 inch Upper Receiver 1-3 Twist 5/8 x 24 CMMG ZEROED Muzzle Brake Cerakote or Hard Coat Anodized Armor Black
$1,319.00
Out of stock
Free shipping over $49
ABC RIFLE COMPANY AR-15 .300 AAC Blackout Micro Pistol 5in Barrel Custom 5in Top Cut Custom M-LOK Handguard Complete Upper Receiver w/BCG And Charging
Optics Planet
ABC RIFLE COMPANY AR-15 .300 AAC Blackout Micro Pistol 5in Barrel Custom 5in Top Cut Custom M-LOK Handguard Complete Upper Receiver w/BCG And Charging
$329.99
Out of stock
Free shipping over $49
CMMG Mk4 .300BLK Banshee Upper Group Receiver 8in 1-7 Twist 5/8 X 24 TPI 16.5in Midnight Bronze
Optics Planet
CMMG Mk4 .300BLK Banshee Upper Group Receiver 8in 1-7 Twist 5/8 X 24 TPI 16.5in Midnight Bronze
$799.99
Out of stock
Free shipping over $49
Spikes Tactical Upper 5.56 16in M4 LE w/7in BAR2 Rail & FSP
Optics Planet
Spikes Tactical Upper 5.56 16in M4 LE w/7in BAR2 Rail & FSP
$733.50
Out of stock
Free shipping over $49