Broz gave me a few of the 215gr Berger Hybrids to test in the 308. Here's the results from the range.
Load:
Berger 215gr Hybrid, moly'd
Win brass
CCI 200
RL-17, 49.0gr (START LOWER FOR SAFETY)
OAL 3.10"
Environmentals: 30F, 25.5 Hg, wind 2-7mph from 3 o'clock, 4500' elevation.
Rifles:
Rem 700 308 varmint, 1/12 twist, 20.5", HTG, MK4 3.5-10x40.
Rem 700 308 varmint, 1/12 twist, 26", A5, Super Sniper 16X.
I had 20 bullets. Ended up shooting five over the chrono, and fifteen at 100 yard target, three groups of five.
Chrony F1 results at 30 feet from muzzle:
20.5" - 2508, error, 2503
26" - 2602, 2605
The error was followed by a low battery indicator (I think from the cool temp). I had to warm up the 9V battery in my pocket then reset the chrono and shoot through it quickly.
Accuracy:
First group, 20.5" rig, five shots were 2" horizontal, and .5" vertical. All holes looked like good stability. I was actually fairly surprised the 215 would be stable at 1/12 twist, 2500-2600 fps. The bullet is 1.62" long. The horizontal spread is probably my form being a little ganked up, bipod too low. But hey, I shot it, so I'll own it.
Second group, 20.5" rig, five shots in a round pattern .84" wide by .86" tall, .96" furthest center to center. That's solid sub-moa. I had elevated the bipod and tightened up my position.
Third group, 26" rig, five shots in a fairly round group, one called flyer high. Group .30" wide by 1.1" tall. Minus the called flyer the remaining four went into .30" wide by .58" tall. That shows potential for consistent .5 moa accuracy.
That was all twenty shots. I had hoped to take it out to 1200 yards or so with five rounds, but my first five-round group was so schitty I decided to unphuck myself and try again.
I'm still shooting the 208 AMax as my go-to bullet. But since Broz handed me 20 of these 215s to try out, I wanted to document and share my findings.
For S&G, here's a traj table for the 215 out to a mile, with a MV of 2600 fps, el 4500':
<div class="ubbcode-block"><div class="ubbcode-header">Code:</div><div class="ubbcode-body ubbcode-pre" ><pre>
Gunsite altitude : 4500 ft.
Bullet : .308, 215 gr, Berger Hybrid
Ballistic Coefficient(s) (G1): .696@V>0 fps;
-------------------------------------------------------------------------------------
Range Velo Time of Energy Path Deflection Total Sight correction Target
city flight to at crosswind drop for setting new lead
LOS of 10.0 Mph zero range 20 fps
-------------------------------------------------------------------------------------
·Yards fps s ft.lbs. in. in. MOA in. Clicks MOA yds ·
-------------------------------------------------------------------------------------
| 0 2600 0.0000 3227 -1.9 0.0 ----- 0.0 ------ ----- 0.00
X 100 2491 0.1177 2963 0.0 0.4 0.38 2.6 0.0 0.00 0.78
| 200 2385 0.2397 2715 -3.7 1.6 0.75 10.8 +5.1 +1.74 1.60
| 300 2282 0.3684 2485 -13.5 3.9 1.25 25.1 +12.5 +4.29 2.46
| 400 2181 0.5036 2270 -30.1 7.4 1.77 46.2 +20.9 +7.19 3.36
| 500 2082 0.6447 2070 -54.0 11.9 2.28 74.6 +30.0 +10.32 4.30
| 600 1986 0.7912 1883 -85.6 17.4 2.77 110.7 +39.6 +13.63 5.27
| 700 1892 0.9437 1709 -125.5 23.9 3.27 155.1 +49.8 +17.12 6.29
| 800 1802 1.1069 1550 -176.0 32.4 3.86 210.1 +61.1 +21.01 7.38
| 900 1715 1.2797 1405 -238.0 42.5 4.50 276.5 +73.4 +25.25 8.53
| 1000 1632 1.4609 1271 -311.9 54.0 5.16 354.9 +86.6 +29.79 9.74
| 1100 1551 1.6498 1149 -398.4 67.0 5.81 445.8 +100.5 +34.58 11.00
| 1200 1474 1.8458 1038 -497.8 81.2 6.46 549.7 +115.1 +39.61 12.31
| 1300 1401 2.0538 938 -614.3 97.5 7.16 670.7 +131.2 +45.12 13.69
| 1400 1334 2.2743 850 -750.2 116.0 7.91 811.2 +148.7 +51.17 15.16
| 1500 1272 2.5048 772 -905.5 136.2 8.67 971.0 +167.6 +57.64 16.70
| 1600 1214 2.7456 704 -1082.2 158.3 9.45 1152.1 +187.7 +64.58 18.30
| 1700 1163 2.9984 646 -1284.1 182.5 10.25 1358.5 +209.6 +72.12 19.99
| 1760 1135 3.1549 615 -1417.4 197.9 10.73 1494.5 +223.5 +76.89 21.03
</pre></div></div>
Shane
Load:
Berger 215gr Hybrid, moly'd
Win brass
CCI 200
RL-17, 49.0gr (START LOWER FOR SAFETY)
OAL 3.10"
Environmentals: 30F, 25.5 Hg, wind 2-7mph from 3 o'clock, 4500' elevation.
Rifles:
Rem 700 308 varmint, 1/12 twist, 20.5", HTG, MK4 3.5-10x40.
Rem 700 308 varmint, 1/12 twist, 26", A5, Super Sniper 16X.
I had 20 bullets. Ended up shooting five over the chrono, and fifteen at 100 yard target, three groups of five.
Chrony F1 results at 30 feet from muzzle:
20.5" - 2508, error, 2503
26" - 2602, 2605
The error was followed by a low battery indicator (I think from the cool temp). I had to warm up the 9V battery in my pocket then reset the chrono and shoot through it quickly.
Accuracy:
First group, 20.5" rig, five shots were 2" horizontal, and .5" vertical. All holes looked like good stability. I was actually fairly surprised the 215 would be stable at 1/12 twist, 2500-2600 fps. The bullet is 1.62" long. The horizontal spread is probably my form being a little ganked up, bipod too low. But hey, I shot it, so I'll own it.
Second group, 20.5" rig, five shots in a round pattern .84" wide by .86" tall, .96" furthest center to center. That's solid sub-moa. I had elevated the bipod and tightened up my position.
Third group, 26" rig, five shots in a fairly round group, one called flyer high. Group .30" wide by 1.1" tall. Minus the called flyer the remaining four went into .30" wide by .58" tall. That shows potential for consistent .5 moa accuracy.
That was all twenty shots. I had hoped to take it out to 1200 yards or so with five rounds, but my first five-round group was so schitty I decided to unphuck myself and try again.
I'm still shooting the 208 AMax as my go-to bullet. But since Broz handed me 20 of these 215s to try out, I wanted to document and share my findings.
For S&G, here's a traj table for the 215 out to a mile, with a MV of 2600 fps, el 4500':
<div class="ubbcode-block"><div class="ubbcode-header">Code:</div><div class="ubbcode-body ubbcode-pre" ><pre>
Gunsite altitude : 4500 ft.
Bullet : .308, 215 gr, Berger Hybrid
Ballistic Coefficient(s) (G1): .696@V>0 fps;
-------------------------------------------------------------------------------------
Range Velo Time of Energy Path Deflection Total Sight correction Target
city flight to at crosswind drop for setting new lead
LOS of 10.0 Mph zero range 20 fps
-------------------------------------------------------------------------------------
·Yards fps s ft.lbs. in. in. MOA in. Clicks MOA yds ·
-------------------------------------------------------------------------------------
| 0 2600 0.0000 3227 -1.9 0.0 ----- 0.0 ------ ----- 0.00
X 100 2491 0.1177 2963 0.0 0.4 0.38 2.6 0.0 0.00 0.78
| 200 2385 0.2397 2715 -3.7 1.6 0.75 10.8 +5.1 +1.74 1.60
| 300 2282 0.3684 2485 -13.5 3.9 1.25 25.1 +12.5 +4.29 2.46
| 400 2181 0.5036 2270 -30.1 7.4 1.77 46.2 +20.9 +7.19 3.36
| 500 2082 0.6447 2070 -54.0 11.9 2.28 74.6 +30.0 +10.32 4.30
| 600 1986 0.7912 1883 -85.6 17.4 2.77 110.7 +39.6 +13.63 5.27
| 700 1892 0.9437 1709 -125.5 23.9 3.27 155.1 +49.8 +17.12 6.29
| 800 1802 1.1069 1550 -176.0 32.4 3.86 210.1 +61.1 +21.01 7.38
| 900 1715 1.2797 1405 -238.0 42.5 4.50 276.5 +73.4 +25.25 8.53
| 1000 1632 1.4609 1271 -311.9 54.0 5.16 354.9 +86.6 +29.79 9.74
| 1100 1551 1.6498 1149 -398.4 67.0 5.81 445.8 +100.5 +34.58 11.00
| 1200 1474 1.8458 1038 -497.8 81.2 6.46 549.7 +115.1 +39.61 12.31
| 1300 1401 2.0538 938 -614.3 97.5 7.16 670.7 +131.2 +45.12 13.69
| 1400 1334 2.2743 850 -750.2 116.0 7.91 811.2 +148.7 +51.17 15.16
| 1500 1272 2.5048 772 -905.5 136.2 8.67 971.0 +167.6 +57.64 16.70
| 1600 1214 2.7456 704 -1082.2 158.3 9.45 1152.1 +187.7 +64.58 18.30
| 1700 1163 2.9984 646 -1284.1 182.5 10.25 1358.5 +209.6 +72.12 19.99
| 1760 1135 3.1549 615 -1417.4 197.9 10.73 1494.5 +223.5 +76.89 21.03
</pre></div></div>
Shane
