| LRF |
| (.333 member) |
| 27/06/21 10:56 AM |
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Re: Building a Bore Rifle....
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What would length of a 20 ga diameter projectile, that weighed 437 grains, be? What are you predicting as a muzzle velocity be for this vision of yours?
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What would length of a 20 ga diameter projectile, that weighed 437 grains, be? What are you predicting as a muzzle velocity be for this vision of yours? |