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ASG SL Spring M40A3 Airsoft Sniper Rifle

In Stock

The ASG SportLine M40A3 Airsoft Sniper Rifle is a tried and true sniper platform used by the United States Marine Corps. The full-scale replica features 6 QD swivel attachment points, an adjustable hop-up system, and cheek pad, and a top rail for mounting optics. Polymer body with full metal bolt system and barrel.

Spring upgrade set: SHSTH1013
Compatible magazine:

Why choose this gun?

  • Adjustable cheek rest and stock for comfortable use.
  • Texturing on grip and stock for controlled handling.
  • Easy bolt action allows for fast and smooth recocking.
  • Adjustable hop-up system for shooting at different elevations.
  • Includes a bipod adapter and 6 QD swivel attachment points.

Why not?

  • Scope and bipod not included.
  • Bolt action is not as fast as semi-automatic fire.
  • Spring-powered guns must be cocked after every round is fired.


  • Model: M40A3 SportLine.
  • Materials: Polymer Frame, Metal Barrel/Bolt Assembly.
  • Weight: 3 kg (6.7 lb).
  • Length: 1125 mm (44.3 in).
  • Power Source: Spring-Piston.
  • Action: Bolt-Action.
  • Ammo Type: 6mm Airsoft BBs.
  • Ammo Capacity: 27 rounds.
  • FPS: 426.

Pro Tip:
On a bolt action rifle, the bolt is manually operated by the opening and closing of the barrel with a handle. This type of firearm has an excellent balance of strength and tends to be more reliable and accurate, yet has a lower rate of fire than semi-automatic weapons.


Ammo Type:Airsoft

FPS:400 to 450

Caliber:6 mm (.24 cal)

Gun Action:Bolt Action

Power Source:Spring-Piston

Rail Type:Weaver\Picatinny

Material:Metal & Polymer

Body Type:Sniper


Barrel Length:47 cm (18.5 inch)

Magazine Capacity:27

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Customer Reviews

Showing 2 of 2 reviews
missing parts
Date posted: Jul 07, 2019

so i bought this sniper but i was missing the screws.

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Date posted: Jan 28, 2019

The sniper shoots great came in one week the only thing that is kind of annoying is the mag because it is a tight fit. Nothing wrong with it though.

Was this review helpful to you?  2  0

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