How airsoft and BB gun magazines work

by Tom Gaylord
Writing as B.B. Pelletier

Today’s report is another guest blog from reader Ian McKee who writes as 45 Bravo. Today he tells us how airsoft and BB magazines work.

If you’d like to write a guest post for this blog, please email me at: [email protected].

Okay — take it away 45Bravo!

Ian McKee
Writing as 45Bravo

How Airsoft and detachable BB gun magazines work

This report covers:

  • It’s a replica thing
  • Low/mid capacity
  • Most of them are very similar
  • Magazine capacities
  • High capacity
  • It’s high capacity clockwork!
  • Summary
  • Coming in the future

It’s a replica thing

A lot of replica air guns have removable magazines to replicate the look and function of the actual firearm they are copied from. 

magazine lineup
From left to right, is a real 5.56/.223 30 round magazine, a 70 round mid-capacity mag, a “20 round” mag that actually holds 150 rounds of airsoft ammo, a 300 round mag, and a 850 round “fatmag”.
read more


SigAir ProForce MCX Virtus AEG airsoft gun: Part 3

by Tom Gaylord
Writing as B.B. Pelletier

Virtus AGE right
SigAir ProForce MCX Virtus AEG right side.

Part 1
Part 2

This report covers:

  • Accuracy
  • HOWEVER
  • Romeo5 XDR red dot sight
  • Sig BBs|
  • 0.20-gram TSD Tactical White BBs
  • 0.20-gram TSD Tactical Black BBs|
  • 0.20-gram Marui Black BBs
  • 0.25-gram Stealth BBs
  • Rock and Roll
  • Discussion
  • Summary

I said in Part 2 that there was a lot to test with this SigAir ProForce MCX Virtus AEG airsoft guns, and today I discovered I was understating the case. You’ll see why as we progress.

Accuracy

This is the beginning of the accuracy test and it’s good to remind ourselves what this airsoft gun is meant for. It’s meant for skirmishing, which means shooting people, not targets. However, the best way to get it on target and properly adjusted is still the old-fashioned way of shooting at paper.

HOWEVER

The However today is all the variables. I will be shooting many different BBs, adjusting the Hop Up and adjusting the Romeo5 dot sight — each of which makes the equation more complex. I did not think about that until I was well into the test. read more


SigAir ProForce MCX Virtus AEG airsoft gun: Part 2

by Tom Gaylord
Writing as B.B. Pelletier

Virtus AGE right
SigAir ProForce MCX Virtus AEG right side.

Part 1

This report covers:

  • My strategy
  • Sig BBs
  • Weight
  • Getting the gun ready to fire
  • Loading the magazine
  • Use the speedloader
  • The follower needs more BBs
  • Velocity 0.20-gram Sig BBs
  • Sound and feel of the shot
  • Rock and Roll
  • More about the speedloader
  • 0.25-gram BBs
  • Full auto accuracy
  • 0.30-gram BBs
  • Trigger pull
  • Summary

Today I start reporting on the velocity of the new SigAir ProForce MCX Virtus AEG airsoft gun. I say “start” because I can’t get the full report in a single day. You will recall that Sig enclosed a 110 mainspring for me to try, as well as the 120 that’s in the gun as it comes. The 110 spring is lighter, so two things should happen. The velocity should drop a little and the rounds per minute (RPM) should increase, because the electric motor is turning the gears against less force.

My strategy

I could either replace the spring and do the second velocity test next or I could go on to the accuracy test with this spring and then do the spring swap and test everything again. I think I will do the latter for a couple reasons. It’s easier, and I am into easier. And, even if I were to do anything wrong while making the spring swap, we will at least get one complete test. read more


SigAir ProForce MCX Virtus AEG airsoft gun: Part 1

by Tom Gaylord
Writing as B.B. Pelletier

Virtus AGE right
SigAir ProForce MCX Virtus AEG right side.

This report covers:

  • Spring piston
  • Battery basics
  • Avalon gearbox
  • Replacement M110 spring
  • This gun
  • Sights
  • Magazine
  • Velocity
  • Hop Up?
  • At what price?
  • Discussion
  • Summary

I did a search in the blog archives and could not find another report I had written about automatic electric airsoft guns (AEG). I have done some large articles about AEG in the past for Shotgun News and for my own newsletter. I even wrote two articles for Pyramyd Air about the basics of batteries for airsoft guns — one in 2008 and the other in 2009. Those articles are still good today — 10 and 11 years later.

Spring piston

An AEG is a spring-piston gun whose piston is retracted (cocked) and loosed by a mechanical gearbox that’s powered by a small high-torque electric motor. To power the motor a battery is contained somewhere inside the gun. There is a great animation of how an AEG works on Wiki. read more


Springfield Armory M1 Carbine CO2 Blowback Airsoft gun: Part 3

by Tom Gaylord
Writing as B.B. Pelletier

Springfield Armory M1 Carbine airsoft
Springfield Armory M1 Carbine Airsoft gun.

Part 1
Part 2

This report covers:

Part 2 testing
Today’s test
0.20-gram TSD Tactical BBs
0.25-gram Valken Accelerate BBs
0.30-gram ASG Blaster Devil BBs
0.36-gram ASG BBs
No lag time!
Continue?
0.40-gram ASG BBs
0.43-gram ASG BBs
Discussion
Summary

Today’s test will be interesting to me because I have no clue how the Springfield Armory M1 Carbine airsoft gun shoots. Usually I have some idea going into a test and can select the right ammo to suit how I think the gun is going to perform. This time I have almost nothing. The only things I do know is the gun is powered by CO2 and also the same gun shooting BBs did very well. read more