I'm hoping it's more difficult to screw up a lower in this day and age with better machinery. I tend to agree. As far as I'm concerned, as long as the forgings are properly made, it really doesn't matter who CNC machines the forging.
According to the 2021 Annual Firearms Manufacturing and Export Report put out by ATF, Anderson made 32,405 rifles and 471,787 miscellaneous firearms.
I would ass-u-me that the majority of that 471,787 were AR receivers while a small portion were their 'Kiger' pistol frames. They are still in business, so someone must be buying all those frames. Perhaps they are an OEM supplier?
I've got a rifle built on an Anderson receiver, wouldn't hesitate to use their receivers, or PSA's for that matter, if it wasn't for their butt ugly logos.
Do what I've done, invest in a set of pin gauges and check when you get the receiver before you assemble. For magwells I install the mag release and just use GI mags to make sure they drop free, etc. Kind of a crude check but so far all the mag release holes and slots have been okay.
Here's an affordable pin set:
https://www.amazon.com/Accusize-Tool...y&sr=8-13&th=1
0.061''-0.250'' x 190 Pcs, size electro etched on each piece
Overall length 2'', all members 2'' long, centerless lapped
Finish: Each gauge has a 10 micro finish or better
Hardness: Heat treated 60-62 RC
Tolerance: All gauges with .0002'' limit, plus or minus
Patriotism means to stand by the country. It does not mean to stand by the President... - Theodore Roosevelt, Lincoln and Free Speech, Metropolitan Magazine, Volume 47, Number 6, May 1918.
Every Communist must grasp the truth. Political power grows out of the barrel of a gun. Our principle is that the Party commands the gun, and the gun must never be allowed to command the Party Mao Zedong, 6 November, 1938 - speech to the Communist Patry of China's sixth Central Committee
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