Home /Categories / Complete Uppers / 5.56×45mm NATO

Shop 798 Deals on 5.56×45mm NATO Complete Uppers

Browse 5.56×45mm NATO Complete Uppers for sale at the lowest prices online.

CMMG Dissent 10.50" Upper 5.56x45mm with 1:7 Twist Rate and M-LOK Rail - Pistol-Length with Charging Handle - Sniper Gray - 55B8D86SG - Cmmg

CMMG Dissent 10.50" Upper 5.56x45mm with 1:7 Twist Rate and M-LOK Rail - Pistol-Length with Charging Handle - Sniper Gray - 55B8D86SG

$1,379.99 $1,013.99

Spikes Tactical 16" Upper 5.56x45mm 1:7 Quad Rail Mid-Length with BCG, Black - Enhanced Carbine Upper - STU5035CQ2F - Spikes Tactical

Spikes Tactical 16" Upper 5.56x45mm 1:7 Quad Rail Mid-Length with BCG, Black - Enhanced Carbine Upper - STU5035CQ2F

$945.00 $685.99

Spikes Tactical

Sons of Liberty Gun Works SOLGW 14.50" Upper 5.56x45mm M-LOK Rail - Tactical Excellence - M4L89BSCHF14.5 - Sons Of Liberty Gun Works

Sons of Liberty Gun Works SOLGW 14.50" Upper 5.56x45mm M-LOK Rail - Tactical Excellence - M4L89BSCHF14.5

$2,850.99 $1,031.61

Sons Of Liberty Gun Works

Sons of Liberty Gun Works .223 Remington Upper with 13.7" Barrel, Black - M489UPPER13.7556 - Sons Of Liberty Gun Works

Sons of Liberty Gun Works .223 Remington Upper with 13.7" Barrel, Black - M489UPPER13.7556

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Sons Of Liberty Gun Works

VKTR Industries VK-1 5.56x45mm 13.7" 1:7 M-LOK Rail w/ BCG & CH, Flat Dark Earth - V-4027-3410-013-RP - Vktr Industries

VKTR Industries VK-1 5.56x45mm 13.7" 1:7 M-LOK Rail w/ BCG & CH, Flat Dark Earth - V-4027-3410-013-RP

$2,374.99 $1,899.00

Vktr Industries

VKTR Industries VK-1 13.7" Upper 5.56x45mm 1:7 M-LOK Rail with BCG and CH, Black - V-4027-3410-012-RP - Vktr Industries

VKTR Industries VK-1 13.7" Upper 5.56x45mm 1:7 M-LOK Rail with BCG and CH, Black - V-4027-3410-012-RP

$2,374.99 $1,899.00

Vktr Industries

ATI Milsport 7.50" Upper 5.56x45mm 1:8 M-LOK Rail, Black - Ati

ATI Milsport 7.50" Upper 5.56x45mm 1:8 M-LOK Rail, Black

FightLite MCR Dual-Feed 16.25" Railed Upper 5.56x45mm 1:7 w/BCG&CH, Black - Fightlite

FightLite MCR Dual-Feed 16.25" Railed Upper 5.56x45mm 1:7 w/BCG&CH, Black

$6,550.99 $5,444.44

Aim Sports 10" Complete Upper Assembly 5.56x45mm 1:8, Black - AR5CUB8 - Aim Sports Inc

Aim Sports 10" Complete Upper Assembly 5.56x45mm 1:8, Black - AR5CUB8

$459.99 $359.99

Sons of Liberty Gun Works SOLGW 14.50" Upper 5.56x45mm M-LOK Rail - Precision Carbine - M4L89BSCHF14.5HUX - Sons Of Liberty Gun Works

Sons of Liberty Gun Works SOLGW 14.50" Upper 5.56x45mm M-LOK Rail - Precision Carbine - M4L89BSCHF14.5HUX

$2,850.99 $2,109.19

Sons Of Liberty Gun Works

CMMG Resolute 16.10" Upper 5.56x45mm with 1:7 Twist Rate and M-LOK Rail - Mid-Length with Charging Handle - Midnight Bronze - 55BB40BMB - Cmmg

CMMG Resolute 16.10" Upper 5.56x45mm with 1:7 Twist Rate and M-LOK Rail - Mid-Length with Charging Handle - Midnight Bronze - 55BB40BMB

$559.95 $390.99

Sons of Liberty Gun Works .223 Remington Upper with 13.7" Barrel, Black - PATROLSLUPPER13.7556 - Sons Of Liberty Gun Works

Sons of Liberty Gun Works .223 Remington Upper with 13.7" Barrel, Black - PATROLSLUPPER13.7556

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Sons Of Liberty Gun Works

Lead & Steel Just As Good 18" Upper 5.56x45mm 1:7 Free Float M-LOK Mid-Length, OD Green - Lead & Steel

Lead & Steel Just As Good 18" Upper 5.56x45mm 1:7 Free Float M-LOK Mid-Length, OD Green

$699.99 $375.00

Radian Weapons Model 1 MOE Upper M-LOK Rail with Charging Handle, Black - Premium Tactical - R0403 - Radian Weapons

Radian Weapons Model 1 MOE Upper M-LOK Rail with Charging Handle, Black - Premium Tactical - R0403

$1,750.99 $1,399.95

FN FN 15 Military Collector 20" Upper 5.56x45mm 1:7 Picatinny Quad Rail Rifle-Length, Black - Fnh

FN FN 15 Military Collector 20" Upper 5.56x45mm 1:7 Picatinny Quad Rail Rifle-Length, Black

Warrior Systems WSM15 Billet Receiver Set 5.56 - Warrior Systems

Warrior Systems WSM15 Billet Receiver Set 5.56

$479.00 $399.00

Warrior Systems

PSA 20" CHF Rifle Length 5.56 NATO 1:7 Premium Rifle Kit - 8818 - Palmetto State Armory

PSA 20" CHF Rifle Length 5.56 NATO 1:7 Premium Rifle Kit - 8818

$919.99 $780.95

Palmetto State Armory

DPMS "Kitty Kat" 7.5" 5.56 1:7 C7 Carry Handle Upper - Dpms

DPMS "Kitty Kat" 7.5" 5.56 1:7 C7 Carry Handle Upper

Blem Harrington & Richardson XM177E1 10" Complete Pistol Upper, Gray - Harrington & Richardson

Blem Harrington & Richardson XM177E1 10" Complete Pistol Upper, Gray

Harrington & Richardson

PSA 16" M4 Carbine-Length 5.56 NATO 1/7 Phosphate Classic Upper w/BCG & Charging Handle - Palmetto State Armory

PSA 16" M4 Carbine-Length 5.56 NATO 1/7 Phosphate Classic Upper w/BCG & Charging Handle

$389.99 $299.99

Palmetto State Armory

PSA 7.5" 5.56 NATO 1/7 Phosphate 6" Lightweight M-Lok MFT Battlelink Pistol Kit - Palmetto State Armory

PSA 7.5" 5.56 NATO 1/7 Phosphate 6" Lightweight M-Lok MFT Battlelink Pistol Kit

$579.99 $379.99

Palmetto State Armory

PSA Gen2 16" 5.56 NATO 1:7 Mid-Length Nitride 13.5" Lightweight M-Lok MOE EPT Rifle Kit w/ MBUS Sight Set - Palmetto State Armory

PSA Gen2 16" 5.56 NATO 1:7 Mid-Length Nitride 13.5" Lightweight M-Lok MOE EPT Rifle Kit w/ MBUS Sight Set

Palmetto State Armory

PSA 8.5" Pistol-Length 5.56 NATO 1/7 Nitride 10.5" Lightweight M-Lok Upper - With BCG & CH - Palmetto State Armory

PSA 8.5" Pistol-Length 5.56 NATO 1/7 Nitride 10.5" Lightweight M-Lok Upper - With BCG & CH

$559.99 $329.99

Palmetto State Armory

PSA 16" Mid-Length 5.56 NATO 1/7 Nitride MOE EPT Rifle Kit & Rear MBUS Sight, Gray - 5165450088 - Palmetto State Armory

PSA 16" Mid-Length 5.56 NATO 1/7 Nitride MOE EPT Rifle Kit & Rear MBUS Sight, Gray - 5165450088

Palmetto State Armory

5 / 34