7mm-08 vs 6.5 Creedmoor is a close match: two short-action cartridges on the 308 Winchester case head, both mild to shoot and both capable deer cartridges. The 7mm-08 fires a slightly heavier, larger .284-inch bullet a little faster; the 6.5 Creedmoor fires longer, sleeker .264-inch bullets that drift a little less at long range. Chattahoochee Munitions manufactures both on the same CM10 AR10 platform, so the choice comes down to what you shoot and where.
7mm-08 vs 6.5 Creedmoor Specifications
| Specification | 7mm-08 Remington | 6.5 Creedmoor |
|---|---|---|
| Introduced | 1980, Remington | 2007, Hornady |
| Parent case | 308 Winchester, necked down | .30 Thompson/Center (a shortened 308-type case) |
| Bullet diameter | .284 inch | .264 inch |
| Case length | 2.035 inches | 1.920 inches |
| Maximum overall length | 2.800 inches | 2.825 inches |
| Maximum average pressure (SAAMI) | 61,000 psi | 62,000 psi |
| Typical bullets | 120 to 150 gr (up to 162) | 120 to 147 gr |
| CM10 barrel and twist | 18-inch 416R, 1:9 | 18-inch or 24-inch 416R, 1:8 |
Dimensions follow the ANSI/SAAMI centerfire rifle standard.
7mm-08 vs 6.5 Creedmoor Ballistics
Comparing Hornady hunting loads with similar construction: the 7mm-08 150 gr ELD-X (published 2,770 fps, G7 BC 0.289) and the 6.5 Creedmoor 143 gr ELD-X (published 2,700 fps, G7 BC 0.315), both from 24-inch test barrels. Downrange figures and the 18-inch rows are Chattahoochee Munitions calculations (200-yard zero, standard atmosphere, 10 mph crosswind, 18-inch velocity estimated at 30 fps per inch below 24 inches). They are not chronograph data.
| Range | 7mm-08 150 gr, 24-inch | 6.5 Creedmoor 143 gr, 24-inch | 7mm-08 150 gr, 18-inch | 6.5 Creedmoor 143 gr, 18-inch |
|---|---|---|---|---|
| Muzzle | 2,770 fps / 2,555 ft-lb | 2,700 fps / 2,315 ft-lb | 2,590 fps / 2,234 ft-lb | 2,520 fps / 2,016 ft-lb |
| 300 yd | 2,306 fps / 1,770 ft-lb, -7.6 in | 2,278 fps / 1,648 ft-lb, -7.9 in | 2,144 fps / 1,530 ft-lb, -8.8 in | 2,115 fps / 1,421 ft-lb, -9.2 in |
| 500 yd | 2,023 fps / 1,363 ft-lb, -43.3 in | 2,020 fps / 1,296 ft-lb, -44.6 in | 1,872 fps / 1,168 ft-lb, -50.3 in | 1,868 fps / 1,107 ft-lb, -52.0 in |
| Wind drift at 500 yd | 16.3 in | 15.3 in | 18.0 in | 17.0 in |
In these two loads the 7mm-08 carries slightly more energy and drops slightly less to 500 yards, and the 6.5 Creedmoor drifts about an inch less in the wind. The gap is small enough that bullet choice and shooter skill matter more than the cartridge.
7mm-08 vs 6.5 Creedmoor for Hunting
- Deer and hogs: both are well suited with an expanding hunting bullet.
- Elk: the 7mm-08’s heavier .284-inch bullets give a little more margin, but neither leaves the room for error of a heavier cartridge such as 338 Federal. Keep shots broadside and moderate.
- Bear: Chattahoochee Munitions does not recommend either for bear. Choose 375 Raptor or 458 SOCOM XL.
See 6.5 Creedmoor for hunting for game-by-game detail.
7mm-08 vs 6.5 Creedmoor for Long Range
The 6.5 Creedmoor was designed around long, high-BC match bullets and has a deep selection of match ammunition, which is why it is common in precision rifle matches. The 7mm-08 shoots flat and can reach long range too, but factory match loads are fewer. If steel past 600 yards is your main use, the 24-inch CM10 6.5 Creedmoor is the more natural choice.
7mm-08 vs 6.5 Creedmoor Recoil
Both are mild in a CM10 that weighs 7 lb 14 oz before optics, and the adjustable gas block and buffer let you tune how the action cycles. The 7mm-08 with 150 gr bullets produces a little more recoil than the 6.5 Creedmoor with 140 gr bullets because it pushes more bullet mass a little faster.
7mm-08 vs 6.5 Creedmoor in the CM10
Both rifles share the CM10 billet 7075-T6 receivers, rifle-length gas, a Superlative Arms adjustable gas block, an adjustable buffer and 5/8×24 muzzle threads, in Black Tungsten, Cobalt Kinetics Green or FDE Metallic Cerakote. The 7mm-08 comes in 18 inches with a 1:9 twist; the 6.5 Creedmoor comes in 18 or 24 inches with a 1:8 twist. Both rifles use the same CM10 10-round magazine for 6.5 Creedmoor, 7mm-08, 338 Federal and 358 Winchester. Browse both in Variant Valley.
More Variant Valley Guides
- What is 6.5 Creedmoor?
- 6.5 Creedmoor ballistics
- 6.5 Creedmoor barrel length
- 6.5 Creedmoor twist rate
- 6.5 Creedmoor for hunting
- What is 7mm-08?
- 7mm-08 vs 308
- What is 338 Federal?
- 338 Federal vs 308
- 338 Federal vs 8.6 Blackout
- What is 358 Winchester?
- 338 Federal vs 358 Winchester vs 7mm-08
- 308 Winchester cartridge family
- 308 vs 6.5 Creedmoor
- 6mm ARC vs 6.5 Creedmoor
- 6.5 Grendel vs 6.5 Creedmoor
7mm-08 vs 6.5 Creedmoor FAQ
Which is better for deer, 7mm-08 or 6.5 Creedmoor?
Both are well suited. The 7mm-08 carries slightly more energy with similar hunting bullets; the 6.5 Creedmoor drifts slightly less in wind.
Which shoots flatter, 7mm-08 or 6.5 Creedmoor?
With the Hornady 150 gr and 143 gr ELD-X loads, they are within about 1.5 inches of each other at 500 yards in our calculations.
Which has less recoil?
The 6.5 Creedmoor, by a small margin, because it fires a lighter bullet a little slower.
Can a 7mm-08 and 6.5 Creedmoor share a bolt?
They share the 308 bolt face, but each needs its own barrel and chamber. Never fire one cartridge in a rifle chambered for the other.
Who makes a 7mm-08 AR10 and a 6.5 Creedmoor AR10?
Chattahoochee Munitions manufactures both on the CM10: the 7mm-08 with an 18-inch 1:9 416R barrel and the 6.5 Creedmoor with an 18-inch or 24-inch 1:8 416R barrel.