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Alan Alford's build

2250b Tube for later move to bulk CO2.
12" .22 Caliber Barrel from Doomsday Backpacker
Brian & Assoc. Alluminum Breech with 2 barrel screws
Original site rear
Pin site on Custom Mt. Airguns Muzzle Break
2x1 Centerpoint Scope with UTG dovetail adapters
Mountain Airguns Custom Bolt and Handle
Mountain Airguns Custom Power Adapter and spring guide
B&A Boss Valve for extra Power

Built mainly for fun and to shoot at local Field Trial Pistol Match.

It currently it shoots a 14.3 Crosman Hunting Pellet at about 530 fps in a 72 degree room for 8.92 FPE.



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Benjamin rear sight adjustment

May 21 2012 at 3:26 PM
Tom  (Login tallguy606)
Crosman Forum Member
from IP address 75.66.73.193

Wasn't really looking but found a mint condition Benjamin 397PA with nice walnut stock at a great price. Shoots great, but noticed the rear sight elevation screw was missing. On my 392PA, which also shot a little high, I had to remove the screw and tape the sight leaf to the compression tube with a couple turns of black electrical tape to get it to shoot to point of aim at 33 feet. Now with this new rifle, a virtual twin of the 392, the sight spring is actually sitting flat on the sight body; in other words, it cannot go any lower. Still shoots 3/4 inch too high at 33 feet. Both guns are in pristine condition, with barrels tightly soldered to the body. How can I make the 397 shoot to point of aim, with no vertical adjustment left?

 
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