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E&C Airsoft SR-16 12.5" Custom Airsoft M4 AEG Rifle - Black

ID: 53950 (AEG-EC-310)
4.4 stars, based on 5 reviews
E&C Airsoft SR-16 12.5 Custom Airsoft M4 AEG Rifle - Black
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Optic in image not included, for reference only

$250.00 $189.00

This item is currently Out of Stock Usually restocked within 1-3 weeks.
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*Optic in image not included, for reference only


  • Full metal upper & lower receiver
  • 12.5" RIS handguard
  • 5 position collapsible crane type stock
  • Ambidextrous rear sling point for use with one point sling
  • Front and rear flip up sights
  • Adjustable SCAR type adjustable rear sight
  • Integrated fflip up front sight
  • Locking mock bolt for easy hop-up adjustment
  • Full length 20mm top accessory rail for mounting of optics, PEQ boxes or other accessories
  • Metal Ver. 2 gearbox, easily upgradeable
Length: 770mm / 840mm, Adjustable (Collapsed / Total)
Weight: 5.11 pounds
Inner Barrel: ~400mm
Magazine Capacity: 450rd Hi-Capacity. Works with Matrix, G&G, Tokyo Marui and other compatible M4 / M16 Series Airsoft AEG Magazines
Muzzle Velocity: 350~400 FPS (Measured with 0.20g BBs)
Thread Direction: 14mm Negative
Gearbox: Ver 2 Full Metal, Fully Upgradeable
Motor: Long Type
Fire Modes: Semi/Full-Auto, Safety
Battery: 9.6v Small Butterfly Type recommended (Battery not included. Wired stock to with small Tamiya connector)
Hopup: Yes, Adjustable
Package Includes: Gun, Magazine, Manual

Manufacturer: E&C Airsoft

Things you may need to get started:
    Battery and Charger – Required to power your AEG; use a high quality battery and charger for best results.

    Spare Magazines – Stay in the fight longer by bringing more ammo with you.

    BBs – High quality precision 6mm BBs recommended; Use 0.20g – 0.25g BBs for best results.

    Silicone Oil – Basic cleaning and lubrication maintenance help keep your Airsoft AEG in top working order.

FPS Range: 350-400

5 Customer Reviews

(Write a review)

by Tyler W. on 06/24/2017
"Its been a great gun since I order it. Iv'e been keeping it really well maintained with oil, and buy new and improved parts for it. Although recently my gear box is now locking up on semi witch really shocked me. I wasn't expecting the part to have that much wear on it for only such little use.
by Chris B. on 06/02/2017
"Buy this gun

At a Mislim game in Arizona. I fell on top of it, got dirt in it and I banged it on trees, branches and on myself; and the thing still worked the entire time. The externals are tough and strong and can take heavy punishment. The internals are also tough and consistent despite being stock. The gun is also pretty accurate as well. I have only two complaints regarding game-play. First, being a SR-16 the guns weight becomes slightly annoying. But this can be bypassed with a sling. Second, the inner barrel for some reason is just under 2/3rds the length of the outer barrel. This means the gun isnt getting its full range and accuracy. The last complaint is that you need a special tool to take off the rail. Its a Replica Knights Armament URX II rail, and I had to go to a local gunsmith so they could remove it. There's a tool you can get for the rail but id try a gunsmith first cause it might be cheaper than just buying the tool that"ll use once. Besides that this gun is awesome and worth every penny!


Decent Accuracy & Range
Strong Externals
Tough & Consistent Internals
Great Platform to Start with if You Want to Upgrade It


Weight (Not a Problem with a Sling)
Inner Barrel is Short, Almost Stubby (Recommend Replacing)
Replica Rail needs Special Tool or Gunsmith to Remove
by Chris B. on 03/20/2017
"My god this gun is tough: At a Mislim OP; I fell on top of it, I banged it on my body, thenv ground, trees and got dirt in it, and it still worked! The internals are also very reliable and the gun has a high fire rate too. Only two cons. First, the stock is a two piece crane stock with the small square you have to put in. I recommend replacing the stock cause I couldn't fit a small lipo in it without cramping the wires. Second, the rail is a replica Knights Armament URX III rail and needs a special tool called a KAC wrench that goes for about $30-$50. But ask your local gunsmith if they can saw it off (only if you don't want to use the rail occurs) cause that's what I did and the labor was only $25. Overall awesome gun!


-Tough as Freak
-Internals are Reliable & Tough
-Not to heavy despite its size
-Good Range


-2-Piece Crane Stock (I highly recommend replacing it)
-Replica Knights Armenment URX III Rail needs special tool to remove (KAC wrench)

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This item is currently Out of Stock. Most out of stock items are restocked within 1-3 weeks. Some items may take longer. Please add this item to your wishlist to keep posted on its availability.