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taper vs accuracy
- Thread starter cakgor
- Start date
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MontanaRifleman
Well-Known Member
Generally speaking, the more mass your barrel has, the less susceptible it is to harmonics (whip). Also, the larger the cartridge, the more mass you want in your barrel... again, a harmonics thing. Sendero and Palma contours seem to usually produce very good accuracy.
Here's an interesting study on fluted barrels
Varmint Al's Fluted Barrel Stiffness Analysis
Varmint Al's Fluted Barrel Stiffness Analysis
Mikecr
Well-Known Member
There is another affect of contouring barrels; bore dimension changes.
With button rifled barrels, you need the lapping done -after contouring. This because bores grow with contouring them.
Little to no affect to cut rifled barrels -once up to stable shooting temps.
Hammer forged barrel bores actually shrink with contouring. This can work to provide choking toward the muzzle(taper bore), which can be beneficial.
With button rifled barrels, you need the lapping done -after contouring. This because bores grow with contouring them.
Little to no affect to cut rifled barrels -once up to stable shooting temps.
Hammer forged barrel bores actually shrink with contouring. This can work to provide choking toward the muzzle(taper bore), which can be beneficial.
