392 Steroid Chrony Numbers
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Topic: 392 Steroid Chrony Numbers (Read 378 times))
sculbert1
Plinker
Posts: 130
yes
Real Name: Scott
392 Steroid Chrony Numbers
«
on:
October 24, 2021, 12:38:40 AM »
I'm new here and just getting back into air rifles after many years hiatus. I'd forgotten how relaxing it is walking into the basement and shooting.
That being said.. I had sent a refurbished 392 I'd bought from Midway USA years ago off to Tim for his steroid treatment. I really could tell a difference in the gun when I got it back.. but the Engineer in me wanted some DATA, so I bought a chronograph and the results are below. All averages are 5 shots 12" from the muzzle.
14.3gr Crosman HP
8 Pumps. 730fps
10 Pumps. 792ps
12 Pumps. 835fps
14 Pumps. 862fps
18.21gr Crow Magnum
8 Pumps. 660fps
10 Pumps. 722fps
12 Pumps. 763fps
14 Pumps. 781fps
22gr Gamo TS-22
8 Pumps. 625fps
10 Pumps. 655fps
12 Pumps. 695fps
14 Pumps. 735fps
I'm completely impressed with the power it's making and the trigger is absolutely wonderful. I didn't have a wide variety of pellets to test with, but I've ordered some heavy stuff to try in this thing 😎
Sorry for the long post, but this was the kind of information that I had been looking for when I was thinking about the Steroid Package.
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USA, AL, Guntersville
35 shooter
Expert
Posts: 1947
yes
Real Name: Buddy
Re: 392 Steroid Chrony Numbers
«
Reply #1 on:
October 24, 2021, 01:50:33 AM »
Good no’s. there. That’s pretty much a carbon copy of my 22 steroid chrony no’s.
Totally worth the extra money to have it done in my opinion.
I have a 397 I want to have the steroid treatment done to also. Congrats on yours!
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USA, MS, Collins
ecolwell
Shooter
Posts: 31
yes
Re: 392 Steroid Chrony Numbers
«
Reply #2 on:
December 28, 2021, 09:59:05 AM »
Here is mine, from several years ago:
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Carrollton, GA
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392 Steroid Chrony Numbers