Diana Mauser K98 PCP rifle: Part 3

by Tom Gaylord
Writing as B.B. Pelletier

Diana Mauser
Diana Mauser K98 PCP.

Part 1
Part 2

This report covers:

  • Trigger adjustment
  • Sight-in
  • JSB Hades
  • Beeman Kodiak
  • JSB Jumbo Heavy
  • RWS Hobbys
  • H&N Hollowpoint
  • RWS Superdome
  • Discussion
  • Summary

Today is the first day I test the accuracy of the new Diana K98 Mauser PCP.

The test

I shot the rifle with open sights off a sandbag rest from 10 meters. I shot 5-shot groups so I could test more pellets.

Trigger adjustment

I said in Part 2 that I would adjust the trigger today, so let’s get to it. There is just one screw to turn and clockwise decreases the sear engagement. I turned the 2mm screw clockwise as far as it would go and then tested the trigger by hand. It felt lighter and had less creep than it had before the adjustment. My trigger pull gauge records the 2-stage pull as still breaking at over 12 pounds. It is still creepy, though not as much as before. And that’s that. read more


SigAir ProForce MCX Virtus AEG airsoft gun: Part 5

by Tom Gaylord
Writing as B.B. Pelletier

Virtus AGE right
SigAir ProForce MCX Virtus AEG right side.

Part 1
Part 2
Part 3
Part 4

This report covers:

  • 110 mainspring
  • BUT
  • Prediction
  • Changing the mainspring
  • Assembly
  • Performance
  • 0.20-gram BBs
  • Rock and roll
  • 0.25-gram BBs
  • Battery
  • Summary

Today we’re going to have a little fun. I know some of you would like to work on spring-piston airguns but you just don’t want to jump into the deep end of the pool — as in buying expensive tools like a mainspring compressor and parts that may or may not work as you expect. Today we are going to change the mainspring in the SigAir ProForce MCX Virtus AEG airsoft gun, and we will do it with two Allen wrenches — nothing more! This is a job any of you can do. Then we’ll test the velocity of the gun and see what impact the new spring has made. read more


Air Venturi Avenger repeating air rifle: Part 4

by Tom Gaylord
Writing as B.B. Pelletier

Avenger
Air Venturi Avenger.

Part 1
Part 2
Part 3

This report covers:

  • Start testing accuracy
  • Bug Buster 3-12X32
  • The test
  • Sight in
  • JSB Exact Jumbo 
  • RWS Superdome
  • Beeman Kodiak
  • Sig Crux Pb
  • Air Arms 16-grain domes
  • Beeman Devastator
  • Sniper Magnum
  • Magazine — the final test
  • Summary

Seldom has a day like this happened in this blog — and I mean that in the best possible way! This is going to be a biggie!

Start testing accuracy

Today we start testing the accuracy of the Air Venturi Avenger that I’m testing. So far the Avenger has stood up very well and I have been hoping that it’s as accurate as everyone seems to say. Well — it is! I have a lot to tell you, so let’s get started.

Bug Buster 3-12X32

I have been thinking about this test for a long time and wondering which scope to mount. The Meopta Optika6 is the best scope I own and would do very well on this rifle, but the Avenger is a lightweight PCP. How about a scope that’s suited to the concept of light weight? I mounted the UTG Bug Buster 3-12X32 on the rifle and it seems ideal to me. read more


What do you want?: Part 1

by Tom Gaylord
Writing as B.B. Pelletier

This report covers:

  • So what?
  • The most important thing
  • What gives accuracy — the barrel
  • What gives accuracy — the trigger
  • Safety
  • What gives accuracy — the breech lock
  • Powerplant
  • Sights
  • My idea
  • Between the lines

This is the start of a series that I think will be quite different. The inspiration comes from the SpaceX company that has now successfully put two astronauts on the International Space Station. SpaceX has significantly reduced the cost to build rockets and launch payloads, making space exploration more affordable. Elon Musk determined that he could buy the materials to build a rocket for just three percent of what the Russians wanted for theirs. That was what put him in business.

So what?

What does any of that have to do with airguns? Everything, I think. Because it illustrates just how much can be accomplished when there is a plan and when the schedule is not artificial but is based on realistic forecasts. This report is not meant to criticize any company or person, but it will also not permit the hardening of attitudes that stifles progress. read more


Benjamin Fortitude PCP air rifle Gen2: Part 4

by Tom Gaylord
Writing as B.B. Pelletier

Part 1
Part 2
Part 3

Fortitude
The Generation II Benjamin Fortitude.

This report covers:

  • Scoped
  • Magazine fits tight
  • The test
  • Crosman Premier Light
  • Air Arms Falcons
  • Really trying!
  • Magazine
  • Final group
  • Discussion
  • Look inside
  • Summary

I tested the accuracy of the Benjamin Fortitude Gen2 today. This is an interesting test, so please follow along.

Scoped

As I told you in Part 3 I had already fitted the Meopta Optika6 to the Fortitude, so no time was lost there. And that scope is so powerful and clear that we are going to get a real great test of this rifle.

Magazine fits tight

I should have mentioned this in a past report. The magazine goes into the Fortitude receiver very tight and it’s even harder to get it out! In fact, it is so hard to remove it that I may have bent the bolt probe inadvertently taking it out initially. It now takes a lot of pressure for the bolt to seat the pellet. Gene Salvino told me the barrel may be set back a little too far, which explains the tight magazine. But the rifle still shoots, so let’s get to it. read more


Air Venturi Avenger repeating air rifle: Part 2

by Tom Gaylord
Writing as B.B. Pelletier

Avenger
Air Venturi Avenger.

Part 1

This report covers:

  • Test strategy
  • Why was it showing higher?
  • Adjusting the regulator
  • Are you following this?
  • The test
  • Beeman Kodiak pellets
  • The regulator
  • JSB Exact Jumbo Heavy
  • Beeman Kodiaks
  • The last string
  • Trigger pull
  • Summary

Test strategy

Today I will begin the velocity test. The Air Venturi Avenger is so adjustable that it will take several reports to cover just the velocity. Not only is the hammer spring adjustable — the regulator is, as well. In fact, that presents a challenge for how I will test the rifle. The rifle came out of the box with a charge of 3,600 psi and the regulator set to 3,000 psi. That means that until the internal pressure falls below 3,000 psi, the pressure that the valve “sees” will always be 3,000 psi. That is the highest pressure to which the regulator can be set — at least accurding to the manual. read more


SigAir ProForce MCX Virtus AEG airsoft gun: Part 4

by Tom Gaylord
Writing as B.B. Pelletier

Virtus AGE right
SigAir ProForce MCX Virtus AEG right side.

Part 1
Part 2
Part 3

This report covers:

  • A discovery!
  • The test
  • ASG 0.25-gram Open Blasters
  • TSD Bio 180 0.26-gram BBs
  • TSD 0.28-gram Tactical BBs
  • ASG 0.30gram Blaster Devil BBs
  • Full-auto
  • Summary

Today I’m shooting the Sig ProForce MCX Virtus AEG  with heavier BBs than Sig recommends. You will be able to compare today’s groups with those from Part 3 to see which BB you think is best.

A discovery!

Before we begin I need to tell you about a discovery I made. In the last report the 0.20-gram BBs that Sig supplied with the gun were not feeding well from the magazine, nor were 0.25-gram Stealth BBs. In today’s first test I had the identical problem and discovered that it isn’t the BB; it’s the magazine. It does not like feeding the last four BBs when it’s in the semiautomatic mode. So, for all of today’s test I filled the mag with way more than the 10 shots I needed and after the target was finished I went full-auto outdoors in a safe direction with the BBs that remained. All four of the BBs I tested today fed perfectly that way. read more