Best Complete AR Upper

Color: Black
Finish: Anodized
Caliber: 5.56x45mm NATO
Attachment/Mount Type: M-LOK
Gun Rail: M-LOK
Muzzle Device: A2 Flash hider
Gun Model: AR-15
Additional Features: Mid Length Barrel

Color: Black
Finish: Nitride BCG
Fabric/Material: Stainless Steel
Caliber: 5.56x45mm NATO, .223 Wylde, .223 Remington
Overall Length: 16 in
Gas System Length: Mid Length
Barrel Twist Rate: 1-8
Gun Rail: M-LOK
Muzzle Device: A2 Flash hider
Gun Type: Rifle
Gun Model: AR-15
Additional Features: Mil-spec Charging handle
Barrel Material: 416R Stainless Steel
Rifling Profile: 5R

Color: Black
Finish: QPQ Melonite / Black Nitride
Caliber: .300 AAC Blackout
Barrel Profile: Government
Barrel Twist Rate: 1-7
Gun Rail: M-LOK
Muzzle Device: A2 Flash hider
Additional Features: Pistol, Short Stroke Piston Operated Gas System Length

Overall Length: 5 in

Color: Black/Tan
Finish: Anodized
Caliber: 5.56x45mm NATO
Barrel Length: 10.3 in
Gun Model: M16, M4, AR-15

Color: Black
Finish: Matte
Fabric/Material: Aluminum
Caliber: 9mm Luger
Overall Length: 10.5 in
Barrel Length: 10.5 in
Handguard Length: 9 in
Muzzle Device: A2 Flash hider
Gun Model: AR-9

Color: Black
Caliber: 5.56x45mm NATO
Barrel Length: 16 in
Gun Model: AR-15

This Upper Receiver Handguard Combo now includes our Gen 2 Enhanced Handguard! Key features include the addition of quick disconnect sling sockets, enhanced milling design for grip and visual appeal and a new profile for the picatinny top rail. Anti-Rotation Tabs. Feed Ramp Extension. Scalloped Rails. Continuous Top Rail.

Finish: Anodized
Model: P415 Edge
Caliber: 5.56x45mm NATO
Gun Rail: M-LOK
Gun Model: AR-15

Color: Black
Finish: Anodized
Caliber: .300 AAC Blackout
Barrel Length: 8 in
Handguard Length: 7 in
Attachment/Mount Type: M-LOK
Gun Rail: M-LOK
Gun Model: AR-15

Caliber: .223 Wylde
Barrel Twist Rate: 1-8
Handguard Length: 15 in
Attachment/Mount Type: M-LOK
Gun Model: AR-15
Included Accessories: EM-15 Handguard Gen 2

Caliber: .300 AAC Blackout
Handguard Style: Quad Rail
Gun Model: AR-15

Upper: Standard AR15 Upper Receiver
Barrel: 5.56 w/Pinned FSB
Handguard: Magpul MOE SL Handguard
Muzzle Device: Standard A2 Flash Hider

Aero Precision M4E1 Complete Upper, 16in 5.56 M4 Carbine Barrel. Anti-Rotation Tabs. Feed Ramp Extension. Scalloped Rails. Continuous Top Rail.

Caliber: 5.56x45mm NATO
Barrel Length: 16 in
Barrel Twist Rate: 1-7
Gun Rail: M-LOK
Gun Model: AR-15

Caliber: 5.56x45mm NATO
Barrel Length: 16 in
Attachment/Mount Type: Picatinny
Gun Rail: M-LOK
Muzzle Device: A2 Flash hider
Gun Model: AR-15

Fabric/Material: 416R Stainless Steel
Caliber: 6.5mm Creedmoor
Barrel Length: 24 in
Gas System Length: Rifle Length
Gas Block Journal Size-Diameter: .936 in
Barrel Twist Rate: 1-8
Handguard Length: 15 in
Handguard Type: Free-Float
Attachment/Mount Type: M-LOK
Gun Rail: Picatinny
Threads per Inch: 5/8×24
Muzzle Device: A2 Flash hider
Gun Model: M5

Color: Black/Tan
Finish: Anodized
Fabric/Material: Cold Hammer Forged
Caliber: 5.56x45mm NATO
Barrel Length: 14.5 in
Gas System Length: Mid Length
Gas Block Journal Size-Diameter: .750 in
Gun Model: M16, M4, AR-15
Additional Features: Pinned Gas Block, Upper Receiver
Included Accessories: AR15 Car 42 Braided Wire Buffer Spring

Caliber: 5.56x45mm NATO
Barrel Length: 16 in
Barrel Twist Rate: 1-7
Gun Rail: M-LOK
Gun Model: AR-15

Cartridge: 223 Remington, 5.56 mm NATO
Finish: Black
Style: Complete
Length: 14.5″
Twist: 1-7

Premium Melonite-finished 4150 carbone steel
Button-rifled bore, 1-10″ twist
½”-36 threaded muzzle
Ambidextrous, non-reciprocating forward charging handle
Bolt/carrier unit with hard Melonite finish, too

Cartridge: 9 mm Luger
Finish: Black
Style: Complete
Contour: Tapered
Length: 10.5″