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1. Ecomass Frangible Projectiles – Load Data
The following load data was compiled by Winchester Ammunition using Ecomass 9mm 90 GN projectiles and Ecomass 40 cal 115 GRN projectiles.
These projectiles are produced using a copper polymer composite material and are injection molded to form.
9mm ECOMASS 90gr FRANGIBLE
Velocity and Pressure - 5.4 grs WPR289
Storage Powder Velocity Pressure
Temp Position n= Mean E.V. Mean E.V.
70F Cap 10 1227 48 31,300 3300
70F Bullet 10 1212 46 31,000 3600
+125F Cap 10 1215 55 31,700 5100
+125F Bullet 10 1197 75 30,800 4300
-20F Cap 10 1249 45 35,200 5300
-20F Bullet 10 1241 46 34,700 4300
Barrel Corrections: V:-25 P:+3400
Temperature storage: 4 hours
Accuracy - 50 yards - 10 shots per target 45° Frangibility
Barrel Barrel Test Barrel
001 002 10 shots - AVG. Recovered Wt - 83.84grs
2.30 1.71 Largest Recovered Particle Avg - 2.41 grains
2.60 1.65 Maximum Recovered Particle - 3.77 grains
3.00 2.15
2.63 1.84 ←Avg. 90° Splashback
Witness Panel 30" from Plate
Firearm Accuracy - 25 yards - 10 shots per target 10 shots - No perforation of panel
Glock 17 S&W M&P Sig Sauer P226
2.15 3.45 2.80
3.54 4.00 2.70
2.90 5.35 3.45
2.86 4.27 2.98 ←Avg.

2. Function and Casualty
Storage Gun Gun Gun Gun Gun Gun
Temp #1 #2 #3 #4 #5 #6
70F 50 OK 50 OK 50 OK 50 OK 50 OK 50 OK
−20F 50 OK 50 OK 50 OK 50 OK 50 OK 50 OK
125F 50 OK 50 OK 50 OK 50 OK 50 OK 50 OK
Gun #1 - Glock 17 Temperature storage: 4 hours
Gun #2 - Glock 19
Gun #3 - Glock 26
Gun #4 - Sig Sauer P226
Gun #5 - Beretta 92
Gun #6 - H&K MP5
40 S&W ECOMASS 115gr FRANGIBLE
Velocity and Pressure - 7.30grs WPR289
Storage Powder Velocity Pressure
Temp Position n= Mean E.V. Mean E.V.
70F Cap 10 1253 33 33,400 3700
70F Bullet 10 1257 39 33,800 4300
+125F Cap 10 1230 39 32,000 2200
+125F Bullet 10 1226 42 31,900 3700
-20F Cap 10 1267 59 36,600 8700
-20F Bullet 10 1270 42 36,500 5100
Barrel Corrections: V:-25 P:+3400
Temperature storage: 4 hours

3. Accuracy - 50 yards - 10 shots per target 45° Frangibility
Barrel Mean Test Barrel
001 Radius 10 shots - AVG. Recovered Wt - 93.51grs
2.89 0.92 Largest Recovered Particle Avg - 1.90 grains
2.43 0.82 Maximum Recovered Particle - 3.08 grains
2.51 0.73
2.61 0.82 ←Avg. 90° Splashback
Witness Panel 30" from Plate
Firearm Accuracy - 25 yards - 10 shots per target 10 shots - No perforation of panel
Glock 23 S&W M&P Sig Sauer P229
4.02 4.23 2.95
3.73 4.60 2.41
2.92 4.57 2.28
3.56 4.47 2.55 ←Avg.
Function and Casualty
Storage Gun Gun Gun
Temp #1 #2 #3
70F 30 OK 30 OK 30 OK
−20F 30 OK 30 OK 30 OK
125F 30 OK 30 OK 30 OK
Gun #1 - Glock 22 Temperature storage: 4 hours
Gun #2 - Glock 23
Gun #3 - SIG P229