What caliber are they

[ArDirtSlinger]

Found all three of these really close together today. All are deformed in one way or another. their total wieght is 131.25 grains so im guessing roughly 43 - 44 grains each.
Im thinking their from early 20th century but want your info

dime is for size comparision

 

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[BosnMate]

Without exact measurements it's hard to tell anything. However the grease grooves on your bullets are textured, which dates them no earlier that the 1890's forward.

 

[Tony in SC]

They are cannelured. That weight would put them in the 22 or 25 range?? Measurements would help. Tony

 

[coinman123]

Measure the width of the bottom of the bullet in millimeters, with that measurement you could find out the caliber by using this "Millimeter to Caliber" converter.

Convert mm to caliber - Conversion of Measurement Units

Coinman123,

 

[BosnMate]

They are cannelured. That weight would put them in the 22 or 25 range?? Measurements would help. Tony

Thanks, I couldn't remember how to spell "cannelured."

 

[nsdq]

look like 22 cal

 

[TheCannonballGuy]

A US dime's diameter is .705-inch. Your fired bullets are somewhat mis-shapened by impact damage, but comparing the diameter of their undamaged bottoms with the dime in your photo indicates they are .32-caliber. They look like the same bullet discussed in the What-Is-It? last week, here:
http://www.treasurenet.com/forums/what/439335-help-identifying-old-one-ringer-bullet.html
I tend to agree with Charlie P.'s suggestion in that discussion that they are .32 ACP (Automatic Colt Pistol) bullets. He posted a photo of a box of .32 ACP bullets showing some of them outside of the box. Please check the discussion at the link above.

According to The Cartridge Collector website, the first lead-bodied bullets which had a "reeded" body-groove (which is also called a knurled cannelure) were made in 1877.

Here's a photo of a .32 bullet (with dime for comparison) which I think matches your bullets.