10-31-2011, 04:29 AM
Consider getting a heavier buffer, if you don't have one already. I only shoot the Grendel with about a 4oz ST-T2 with tungsten powder in it. H3 is usually a good buffer for the Grendel's increased gas impulse. I would go to the range with 2 of them, an H2 and an H3...unless you are using a standard rifle-length extension tube/stock, which has a 5.2oz buffer.
Lowers are lowers nowadays, unless you want something special like billet, flared mag wells, etc. All of your forged lowers are made by a handful of machine shops in the US, then sent out to all the assemblers, who have the big name recognition. The biggest companies get theirs from the same machine shop here in the Salt Lake Valley...like 85% of the market, just run with different engravings and serial numbered lots per manufacturer's specs and ATF logs.
Lowers are lowers nowadays, unless you want something special like billet, flared mag wells, etc. All of your forged lowers are made by a handful of machine shops in the US, then sent out to all the assemblers, who have the big name recognition. The biggest companies get theirs from the same machine shop here in the Salt Lake Valley...like 85% of the market, just run with different engravings and serial numbered lots per manufacturer's specs and ATF logs.