- Location
- Somewhere on the Hudson Bay Coast
One way to maximize velocity from a small bore with a short barrel is answered in part by the choice of a heavy for caliber bullet. The 160 gr Partition comes to mind as does the 180 gr Woodleigh, although I discovered that the 180 will not stabilize in a 1:10 twist. If your rifle is a full custom job though, you could specify a 1:8 twist. A pal of mine once owned a 20" SAKO full stock carbine in .270 (which I considered a mistake) but despite my prejudices, he got quite respectable velocities with 130s if the Chrony was to be believed. The key though is not to worry so much about how much velocity you loose through the choice of a short barrel, the critical factor is if there is enough velocity to do that which you intend to do. A medium to heavy weight .277" bullet that has a muzzle velocity of 2600 fps, will still shoot flat enough over typical hunting ranges, and will impact with enough force to expand the bullet, penetrate deeply, and kill medium to large North American big game humanely.
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