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Ballistics Data

Velocity, energy, and trajectory 

.177 Gamo Shadow 1000
 
 

Crosman Premier Dome .177
7.9 Grain
.028 BC

Muzzle

25 Yards

50 Yards

935 ft/s
835 ft/s
747 ft/s
15.34 ft/lb
12.44 ft/lb
9.8 ft/lb

Near Zero: 16.5 Yards

Zenith: 30.7 Yards

Far Zero: 43.9 Yards

Near PBR: 10.5 Yards

Far PBR: 49.5 Yards

Max. Range: 568 Yards @ 22 deg.  .38 ft/lb

.177 Beeman R-9 (Tuned)

Crosman Premier Dome .177
7.9 Grain
.028 BC
Muzzle
25 Yards
50 Yards
925 ft/s
827 ft/s
740 ft/s
15 ft/lb
12 ft/lb
9.6 ft/lb
Near Zero: 16.6 Yards
Zenith: 30.7 Yards
Far Zero: 42.9 Yards
Near PBR: 10.5 Yards
Far PBR: 48.6 Yards
Max. Range: 565 Yards @ 22 deg.  .38 ft/lb

.20 Beeman R-9

Beeman FTS .20
11.2 Grain
.027 BC
Muzzle
25 Yards
50 Yards
756 ft/s
673 ft/s
600 ft/s
14 ft/lb
11 ft/lb
9 ft/lb
Near Zero: 13.6 Yards
Zenith: 25 Yards
Far Zero: 35.9 Yards
Near PBR: 8.6 Yards
Far PBR: 40.6 Yards
Max. Range: 491 Yards @ 24 deg. .52 ft/lb

.20 Beeman R-1

Beeman FTS .20
11.2 Grain
.020 BC
Muzzle
25 Yards
50 Yards
830 ft/s
740 ft/s
604 ft/s
17 ft/lb
13.6 ft/lb
9 ft/lb
Near Zero: 15 Yards
Zenith: 27.3 Yards
Far Zero: 38.1 Yards
Near PBR: 9.4 Yards
Far PBR: 44.1 Yards
Max. Range: 519 Yards @ 23 deg. .52 ft/lb

Glossary of Terms

ft/s = Velocity in Feet Per Second   ft/lb= Energy in Foot-Pounds
PBR = Point Blank Range (calculated for a 1-inch kill zone)
Aiming for the center of the KZ between "Near PBR" and "Far PBR"
should result in a lethal shot and between those ranges, no hold over /under should be needed.  Maximum Range is the distance that the pellet can theoretically travel if it isn't halted by a backstop.
Near Zero is the first range where the pellet will cross the line of sight. Zenith is the highest point of the trajectory, or the point where the pellet is 1/2 -inch above the line of sight.  Far Zero is the second point where the pellet crosses the line of sight. 

The Upland Hunter's Air Rifle
 
For Air Rifles
 
The Drop-In Fix from Charlie's Springer Works 
 
Index Page

Text and Photos Copyright 2006 By Jerrold Paul Shelton
All Rights Reserved

"At twilight you shall eat meat.....  So it was that quail came up at evening and covered the camp...."
Exodus 16:12-13