Gold Medal® 308 Win.
You get one shot. It has to be perfect. No questions. Skill, rifle and ammunition must work together to obtain the maximum result. The police marksman must know, time and again, exactly where the round will impact. That's why you choose Gold Medal® -- legendary for extreme accuracy, shot after shot, lot to lot.
Ballistic Charts
Velocity:
Energy:
Wind Drift:
Wind Drift in Inches (at 10 MPH Crosswind)
Average Range:
Trajectory for a 100 yards zero with a sight height of 1.5 inches.
Long Range:
Trajectory for a 200 yards zero with a sight height of 1.5 inches.
Specifications:
Part Number: GM308M2
Bullet Style: Sierra® MatchKing BTHP
Caliber: 308 Win.
Primer No.: GM210M
Bullet Weight (Grains/Grams): 175 / 11.34
Test Barrel Length in Inches: 24
Ballistic Coefficient: 0.505
Velocity in Feet Per Second
| Yards | Velocity |
|---|---|
| Muzzle: | 2600 |
| 100: | 2427 |
| 200: | 2262 |
| 300: | 2102 |
| 400: | 1949 |
| 500: | 1803 |
Energy in Foot Pounds
| Yards | Energy |
|---|---|
| Muzzle: | 2627 |
| 100: | 2290 |
| 200: | 1987 |
| 300: | 1717 |
| 400: | 1476 |
| 500: | 1264 |
Wind Drift in Inches (at 10 MPH Crosswind)
| Yards | Wind Drift |
|---|---|
| 100: | 0.6 |
| 200: | 2.9 |
| 300: | 6.9 |
| 400: | 12.5 |
| 500: | 20.3 |
Average Range *
| Yards | Average Range |
|---|---|
| 50: | -0.1 |
| 100: |  |
| 200: | -4.4 |
| 300: | -15.7 |
Long Range *
| Yards | Long Range |
|---|---|
| 50: | 1.0 |
| 100: | 2.2 |
| 200: | |
| 300: | -9.1 |
| 400: | -25.8 |
| 500: | -51.8 |
* Height of Bullet Trajectory in inches above or below line of sight if zeroed at
yards. Sights 1.5 inches above bore line.
FBI Test Protocol
Product Tested | Wound Characteristics | Test Results | Recovered Bullet | |
|---|---|---|---|---|
| GM308M2 |  | Velocity | 2493 |  |
| 308 Win. (7.62x51mm) | Penetration | 23.50 | ||
| 175 | Expansion | .620 | ||
| 2600 | Retained Weight | 86.4 | ||
| Sierra MatchKing BTHP | % Wt. Retained | 49.37 | ||
Product Tested | Wound Characteristics | Test Results | Recovered Bullet | |
|---|---|---|---|---|
| GM308M2 |  | Velocity | 2493 |  |
| 308 Win. (7.62x51mm) | Penetration | 14.75 | ||
| 175 | Expansion | Fragment | ||
| 2600 | Retained Weight | 127.0 | ||
| Sierra MatchKing BTHP | % Wt. Retained | 72.57 | ||
Product Tested | Wound Characteristics | Test Results | Recovered Bullet | |
|---|---|---|---|---|
| GM308M2 |  | Velocity | 2493 |  |
| 308 Win. (7.62x51mm) | Penetration | 16.25 | ||
| 175 | Expansion | .418 | ||
| 2600 | Retained Weight | 31.1 | ||
| Sierra MatchKing BTHP | % Wt. Retained | 17.77 | ||
Product Tested | Wound Characteristics | Test Results | Recovered Bullet | |
|---|---|---|---|---|
| GM308M2 |  | Velocity | 2493 |  |
| 308 Win. (7.62x51mm) | Penetration | 18.50 | ||
| 175 | Expansion | Fragment | ||
| 2600 | Retained Weight | 98.1 | ||
| Sierra MatchKing BTHP | % Wt. Retained | 56.06 | ||
Product Tested | Wound Characteristics | Test Results | Recovered Bullet | |
|---|---|---|---|---|
| GM308M2 |  | Velocity | 2493 |  |
| 308 Win. (7.62x51mm) | Penetration | 15.25 | ||
| 175 | Expansion | .629 | ||
| 2600 | Retained Weight | 143.6 | ||
| Sierra MatchKing BTHP | % Wt. Retained | 82.06 | ||
Product Tested | Wound Characteristics | Test Results | Recovered Bullet | |
|---|---|---|---|---|
| GM308M2 |  | Velocity | 2493 |  |
| 308 Win. (7.62x51mm) | Penetration | 12.625 | ||
| 175 | Expansion | .391 | ||
| 2600 | Retained Weight | 22.3 | ||
| Sierra MatchKing BTHP | % Wt. Retained | 12.74 | ||
