I had the cmmg AR15 conversion bolt kit but was not happy with the accuracy in a 223 caliber 1-9 twist barrel and sold the kit, bought a dedicated cmmg M4 style 22 rimfire upper with 1-16 twist. The dedicated upper shoots much better, put a Bushnell TRS-25 red dot on and shoot the heck out of it.
When the people fear the government, there is tyranny. When the government fears the people, there is liberty. America will never be destroyed from the outside. If we falter and lose our freedoms, it will be because we destroyed ourselves