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King Arms SIG 516 Tactical Patrol Airsoft AEG Rifle

ID: 45431 (AEG-KAAG101)
King Arms / Eagle Force45431
3.8 stars, based on 4 reviews
z King Arms SIG 516 Tactical Patrol Airsoft AEG Rifle
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Sorry, this item is Discontinued

CanadaExport Compliant
This gun has a muzzle velocity rating (FPS) between 366 and 500, and is compliant for export to Canada.

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King Arms SIG 516 Tactical Patrol Airsoft AEG Rifle


  • Fully Licensed SIG Sauer Trademarks
  • Full Metal Receiver and Barrel Assembly
  • Metal RIS Front End for Tactical Accessories
  • Flip-up Front and Rear Sights
  • Retractable Crane Stock
  • Thermal Style Magazine
  • QD Sling Swivel Mounting Points on RIS, Back of Receiver and Stock (Sling Swivel included)
  • Ambidextrous Magazine Release
  • Working Mock Bolt Release
Length: 800mm-880mm, Adjustable
Weight: 2935g
Inner Barrel: 375mm
Magazine Capacity: 300rd Hi-Capacity. Works with Matrix, Tokyo Marui and other compatible M4 / M16 Series Airsoft AEG Magazines
Muzzle Velocity: 390~420 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)
Hopup: Yes, Adjustable
Package Includes: Gun, Magazine, Manual

Manufacturer: King Arms (Licensed by SIG Sauer)

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: 390-420

California residents click here for Proposition 65 warning

4 Customer Reviews

(Write a review)

by Noah M. on 09/05/2015
"So I'll start by saying my mediocre rating is a result of what I believe to be poor quality control, not applicable to all units but I must say it. The gun came DOA. It wasn't feeding at all. The bucking was just shot, replaced it with G&G green immediately in order for it to work.

+ Excellent CNC aluminum and steel externals with very clean Sig Sauer trades
+ Beefy gears and gear box
+ Wonderful flip up iron sights based off Troy sights
+ Shoots about 360-380 out of the box
+ Very unique looking gas block

+- Loud

- Stock is absolute trash. Get rid of it as soon as possible.
- Selector switch just slides around instead of clicking into place, it's bad.
by Sean P. on 07/29/2015
"Love this item. I'm in love with King Arms in general. This is my second AR variant I've purchased from King Arms. I'm pretty satisfied.

+ Some of the best METAL externals you will find. If the part isn't made of beautiful CNC aluminum , it's made of steel.
+ Functioning bolt catch, classy mock bolt carrier.
+ Steel body pins make take down quick and easy. Can even be done in the field.
+ Love the Troy style sights, the AA style front gas block and gas tube.
+ QD sling points EVERYWHERE.
+ Rock solid gears, tappet plate, gear box shell and bearings are all steel.

- Stock is...well...crap. Doesn't live up to King Arms expectations. Remove and destroy this part so no other soul has to experience the sadness that is this piece of low quality ABS.
- Would be nice if this wasn't 420 FPS out of the box. Immediately downgraded this gun to 350 FPS.
- Stock motor is no good. It burnt out after about 20,000 rounds. It's a pretty junky motor anyway. Switch to a high torque when it goes.
- High Capacity magazine is almost as cheap as the stock, at least it feeds nicely.

Note: RIS is dovetailed into the upper receiver. So unfortunately you probably won't be swapping the front end on this gun. On the other hand no alignment issues and the upper rail is perfect monolithic.

Bottom line; this gun is very good, it's very pretty. I'm overall not disappointed. The gun's shortfalls are parts I would've changed anyways. Love it.
by Mark S. on 02/26/2015
cool looking rails
descent hi cap mag (i recommend kwa m4 aeg magazines)
trademarks look pretty solid (just wish they would color in the "sig sauer"trademark white.)
put a 11.1v lipo inside this bad boy and your ready to kick butt (and be prepared to be told your gun is loud as hell)
The front and rear sights are pretty good for being stock
dropped it couple of times and it didn't affect the gun at all

by far the worst stock that any company can put on a gun (not exaggerating)(seriously king arms?)
Descent grip (but i would recommend a mapul moe)
with .25 and a fully charged lipo your gonna get 350-360 MAX fps (maybe its just me)
may not be a con but using this in a airsoft skirmish is just unfair for other players lol

conclusion: get this gun- the internals are great as expected coming from king arms. However there are just a few external changes i would make in order to have a more comfortable feel.

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This item is Discontinued.

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