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Yes, but common sense isn't as common as it use to be!

I don't know if your compressor directions mention this, but the bleed valve on the compressor should be opened when starting the compressor against pressure (a non-empty bottle) and once the compressor starts, close the bleed valve for the fill. If you have to stop the compressor during a...

Just a follow-up to finalize: I decided that a small mod to the stock would simplify tuning matters greatly, so I drilled a small access hole in the stock for adjustment. The standard long allen wrench works perfectly. Now no longer necessary to detatch the stock for adjustment of the hammer.

Before they came up with the slip-clutch adjustment on the barrel of the mics, 10 people taking readings with the same mics would come up with 10 different results. That was a major improvement along with the tenths vernier. Sill more accuracy than is needed for pellets and slugs, IMO. For...

From some of my research, pellets and slugs are made to +- .001, so I doubt anybody needs a micrometer like the one pictured; I was just being a pain. I've had and used that mic for many years before retiring.

Any pictures; I'm having a time visualizing the "first stage off loaded to a shop compressor."

Are you sure you haven't mis-stated the units. 1 micron= 0.00003937in., so 5 microns =0.00019685in. (maybe 50 microns?) I doubt anyone molds to those tolerances, or sizes the slugs or pellets afterwards. The .22 sizer I have is 0.2245; I have to push the HAWKi pellets through, but the Apolo...

Is this accurate enough for you?

@CanMike and @Dstrac: I'm pretty new to airguns, so I con't have much experience with different brands. I have some .22 HAWKi Thunder 25.3 gn pellets, very uniform and accurate. They are at 0.214 at the nose and 0.225 at the skirt. I just received some Apolo 25 gn slugs, very uniform but run...

Sorry, i edited the title to show Komplete.

I originally changed the hammer spring tension by putting a small slug between the hammer and spring. To change tension I would have to disassemble the gun, remove the hammer-spring assembly and try different thickness slugs. I decided to make an adjustable setup, and this is what I came up...

@AlanMcD Thank you for the detailed response. In the powder-burner pistol world, we call that a captive guide rod, not used for the same reason, obviously but the same principle involced in making them. Your explanations clear a lot of things up!

Degassing port.

I made my own unit to use temporarily until the Inspire Precision unit gets here, hopefully by Friday. If you want to see some targets from a .22 Komplete, go here: https://www.gatewaytoairguns.org/GTA/index.php?topic=219436.20 They seem to shoot above their pay grade.

I'm running the complete with an air cartridge charged to 3000 psi; not the N2 cartridge. Also, being new to airguns, what exhaust port ( I plead ignorance)? I thought the barrel was the "exhaust port" after the pellet exited.

Mine is the Umarex Komplete, and the other is the Diana Outlaw.

I am new to airguns; what is an SSG? Also the gun in question is the inexpensive, Komplete. It is regulated at 1800 psi, though I have no way to verify it. I am very happy with it and am just trying to learn different ways of tuning it for higher power. Right now I'm getting about 32 fpe...

Thanks for the link; that will keep me busy for sure!!

No, totally different manufacturers and different guns.

That's what has me puzzled. With the larger slug that I used in the hammer, I merely wasted air; the smaller slug kept about the same velocity, but I gained in number of shots. Does that mean that the plenum is too small and cannot provide enough air for the barrel length, basically emptying...