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Posted: 4/20/2014 11:46:35 PM EDT
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I've got a Benjamin 397 that I've had for a couple months now. Has probably 300-500 pellets down its throat. No mods. Iron sights. I've cleaned the muzzle with a cotton tip and goo gone. Using pointed tip Crosman hunting .177 pellets for now until me and my boy use up this 1200 pack we picked up at Wally World.
Problem is that it shoots 2.5-3 inches to the left at 30-35 feet and 4-5 pumps. Does this fairly consistently though and I'm convinced it's a problem of crappy sights and a need for a scope or peep sight. Two questions for those with 397's or 392's: What pellets are you guys using for backyard plinking (I'm shooting with my 11 year old)? What sights or scopes? Not my photos, but visuals are always good. 
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First thing I would do is ditch the pointed pellets. Get some round nose lead (diablo) pellets like Crosman Premiers, RWS Superdome, JSB Exact or H&N Field Target Specials. Pointed pellets suck.
But yeah, a peep is a cool way to run one of those guns. I believe Crosman/Benjamin offers a Williams sight for that gun. If you want to try a scope, here's the mount you need: http://www.rlairgunsupply.com/scopes-mounts-binoculars-spotting-scopes-access/benjamin-air-rifles-scope-mount/ You may have trouble with wandering point of aim with different power levels, though (different amount of pump strokes). |
| I have shot Benjamin Model 392 for years. I have a Limited Edition 392 and a regular Model 392. On the LE392 I mounted a Nikon Prostaff EFR rimfire scope and for the regular Model 392 (just bought brand new a couple months ago) I mounted a Williams peep sight. Bought are quite accurate. I just don't like the cruddy trigger pull on them but I'm used to them. I never did like the factory sights on them but when I was a kid I was fairly accurate with them. |
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Often, pumpers, PCPs and CO2 guns work well with heavy pellets. Examples: JSB 10.34s, Crosman 10.5s that come in the 1250 count cardboard box, Barracuda 10.65 gr, etc.
There is a mod that makes the first two pumps lighter and also there is an aftermarket trigger that should help some. I used the barrel clamp scope mounts and a 4x32 Winchester air rifle scope on mine, it worked very well and solved the sight problem. Academy Sports has this scope for $30 and a 2x7 32mm Winchester for $40. Both are adjustable objective scopes, AO is needed for short range shooting. |
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