The tests for the ballistics on it seem to have been done on Glocks and the reviews mention Glock 20's.. but is the second part, the lead ball, cause for concern when fired through a Glock with the factory barrel installed?
http://www.doubletapammo.com/php/catalog/product_info.php?cPath=21_25&products_id=42
Seems like a pretty interesting concept.
http://www.doubletapammo.com/php/catalog/product_info.php?cPath=21_25&products_id=42
Seems like a pretty interesting concept.