Aero · Carbine

Aero Precision M4E1 Spartan

Name: Aero Precision M4E1 Spartan
Brand: Aero

Gas-operated (direct impingement) · 5.56x45mm NATO · introduced 2017

Also known as M4E1 Spartan, Aero M4E1 Spartan Complete Rifle

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About the Aero Precision M4E1 Spartan

The Aero Precision M4E1 Spartan is a value-oriented AR-15-pattern semi-automatic carbine chambered in 5.56x45mm NATO. It pairs Aero's M4E1 enhanced one-piece upper receiver and 15-inch Enhanced M-LOK Gen 2 free-float handguard with a 16-inch chrome-moly-vanadium barrel and mid-length gas system. Offered as a complete rifle with Magpul CTR stock and MOE grip, the Spartan line brings Aero's builder-grade receiver set to a lower price point, typically dressed in a distressed Cerakote finish.

Aero Precision M4E1 Spartan specifications

General

Type: Carbine
Action: Gas-operated (direct impingement)
Firing mechanism: Hammer-fired
Trigger: Single action
Calibres: 5.56x45mm NATO
Magazine capacity: 30 rounds
Magazine: Detachable box magazine

Dimensions

Barrel length: 406 mm (16.0 in)
Overall length: 895 mm (35.2 in)
Weight (empty): 2.95 kg (6.51 lb)

Barrel

Rifling twist: 1:8 in (203 mm)
Rifling: Right hand
Grooves: 6

Materials

Barrel: Steel
Receiver / frame: Aluminum
Stock: Polymer
Finish: cerakote

Performance

Muzzle velocity (typical): 940 m/s (3084 fps)
Muzzle energy (typical): 1750 J (1291 ft·lb)
Effective range: 500 m

History

Introduced: 2017
Production status: In production
Country of origin: US
Designer: Aero Precision

Features

M4E1 enhanced one-piece upper receiver
15-inch Enhanced M-LOK Gen 2 free-float handguard
Mid-length gas system
A2 birdcage flash hider
Magpul CTR collapsible stock
Magpul MOE grip
Spartan Worn Cerakote finish

Safety

Manual safety

The Spartan configuration is Aero Precision's budget-tier complete-rifle line, distinct from the higher-specification M4E1 and M4E1 Pro complete rifles.