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GUNS Magazine Digital March 2011 - Page 42
Due to the volume of mail received, GUNS cannot offer a personal reply. Please e-mail your question to email@example.com or snail mail to: GUNS Q&A, 12345 World Trade Dr., San Diego, CA 92128 straightforward job if you have any gunsmithing tools). You can buy the correct height front sight and acquire the tools for the job from Brownells. First shoot a group at a measured distance (I’d suggest 100 yards, but 50 would work). Then use this: • JEff JOHN • q: Sight Height Woes The Marble Arms Tang Sight, shown here on an 1890 Winchester, offers windage and elevation adjustment and is a versatile addition to pump and lever guns. Sight Adjustment formula Sight Radius (the distance from the back of the rear-sight blade to the face of the front sight) x Amount to move group in inches (measured from the center of the group to where you want the new group to center) ÷ Distance to the target in inches (50 yards = 1,800 inches, 100 yards = 3,600 inches). The answer will be in .001" increments. Since you’d need to have a gunsmith drill and tap another hole in the tang to mount a Marble Arms Tang Sight, it will be a more expensive fix, but the Marble sight offers a longer sight radius and is windage adjustable as I recently got a Winchester Model 94 .30-30, serial number 2,738,XXX, and the problem is the groups are too low. I shot reloads as well as factory loads and the groups are good, but too low. The rear sight is as high as I can adjust it. So, I thought maybe I could get a lower front sight? The front sight is 1/2" in height, the base is 1/4" and the blade insert is also a 1/4". Does anyone make a shorter front sight? If not, any other ideas? I don’t know, is a tang sight an option? John Turner Elmer, N.J. You have one of the first postA: ’64 Model 94s, which began at serial number 2,700,000 according to S.P. Fjestad’s Blue Book of Gun Values, 31st Edition. Replacing the front-sight blade should be a straightforward job for any gunsmith (and is a fairly 42 WWW.GUNSMAGAZINE.COM • MARCH 2011