The MAGNUS is the quietest .30 cal suppressor on the market for everything - .223's, 6mm's, 6.5mm's, 7mm's, and .30's - up to .300 Norma Magnum. This Magnus model comes with the common "HUB" (1.375"x24 tpi) rear end, providing a modular mounting system.
Minimum Rated Barrel Lengths
Mile High Shooting Accessories (MHSA) will only ship suppressors to Class III FFL holders. BATF regulation information for Suppressor ownership are as follows:
Be at least 21 years of age.
Be a U.S. citizen.
Have no felony convictions or domestic violence convictions.
Have no dishonorable discharge.
Not deemed mentally unstable by a competent authority.
The NFA rules/laws are posted through the BATF website. At this time, the following states ALLOW private ownership of suppressors: AL, AK, AR, AZ, CO, CT, FL, GA, IA, ID, IN, KS, KY, LA, ME, MD, MI, MN, MO, MS, MT, NC, NE, ND, NV, NH, NM, OH, OK, OR, PA, SC, SD, TN, TX, UT, VA, VT, WA, WV, WI, and WY. CA allows class 3 dealers and class two manufacturers to possess suppressors.