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The only major difference between the 601 and 602 is the switch from the original four grooves, right-hand 1:14-inch (1:355.6 mm or 64 calibers) rifling twist rate to the more common four grooves, right-hand 1:12-inch (1:304.8 mm or 54.8 calibers) twist. This was done as the original 1:14-inch twist rate to just stabilize the 55 grain bullet ...
After Colt's patents expired in 1977, an active marketplace emerged for other manufacturers to produce and sell their own semi-automatic AR-15–style rifles. [1] Some versions of the AR-15 were classified as "assault weapons" and banned under the Federal Assault Weapons Ban in 1994 within the United States. This act expired in 2004. [2] [22]
1:7 Yes A2 N/A C7A1: A2 Ribbed S-1-F Weaver: Yes Yes 5.56 NATO 20 in. A2 1:7 Yes A2 N/A C7A2: Canadian 3rd Generation Ribbed S-1-F Weaver Yes Yes 5.56 NATO 20 in. A2 1:7 Yes A2 750 Colt/Diemaco LMG/LSW: A2 Square LMG S-F A2 Yes Yes 5.56 NATO 20 in. HBAR 1:7 No A2 N/A LSW: A2 Square LMG S-F Weaver Yes Yes 5.56 NATO 20 in. HBAR 1:7 No A2 725 C8 ...
The Colt AR-15 is a product line of magazine-fed, gas-operated, autoloading rifle manufactured by Colt's Manufacturing Company ("Colt") in many configurations. [1] The rifle is a derivative of its predecessor, the lightweight ArmaLite AR-15, an automatic rifle designed by Eugene Stoner and other engineers at ArmaLite in 1956.
[1] In 2018, Small Arms Survey reported that there are over one billion small arms distributed globally, of which 857 million (about 85 percent) are in civilian hands. [2] [3] U.S. civilians alone account for 393 million (about 46 percent) of the worldwide total of civilian held firearms. [3] This amounts to "120.5 firearms for every 100 ...
Charlene Leibel, 75, started strength training after a body composition scan. Here's how she converted 50 percent of her body weight into muscle.
The rifle itself is offered in two variants: the S-5.56 A1 with a 19.9-inch barrel and 1:12 pitch rifling (1 turn in 305 mm), optimized for the use of the M193 Ball cartridge; and the S-5.56 A3 with a 20-inch barrel and a 1:7 pitch rifling (1 turn in 177, 8 mm), optimized for the use of the SS109 cartridge.
The rapper, actor and designer arrived for the first day of trial on Jan. 21. He turned down a last-minute prosecution plea offer, and jury selection got underway.