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The CETME Ameli MG82 is a Spanish Squad Automatic Weapon chambered for 5.56mm NATO and using the same M27 links as the FN Minimi (M249), Daewoo K3, and IMI Negev.
Externally, it resembles the Rheinmetal MG3 (postwar MG42 chambered for 7.62mm NATO), and though it shares some design elements, and copies the feed tray and feed cover, rather than using a short-recoil action where the barrel recoils with the bolt locked into it with rollers, the Ameli has a fixed barrel and operates with roller-delayed blowback. Akin to the MG3, there's the option between a lightweight bolt and a heavyweight bolt for a low (850rpm) and high (1200rpm) cyclic rate.
As it's not recoil operated, it does not have the MG3/MG42's boosting muzzle, and being roller-delayed blowback, the chamber is fluted to ensure proper extraction.
There's existed some different options for top-covers, some which have a mount for a British SUSAT optic, and a much less common one which lets you use CETME Model L rifle magazines (essentially M16 magazines), which also has a rear sight tower on it, offset to the right, as the magazine now obscures the normal rear sight, with a corresponding front-sight being part of the magazine well.
The carry handle has the raised rear sight in it, as the action and stock is in-line, and the carry handle is actually the handle for the barrel as well, you swap the barrels by unlocking the front part of the carry handle and then twisting and lifting it out.
It's a cool looking gun, and it's somewhat liked by Spanish soldiers, as a weapon with barely any recoil and ammo that doesn't weigh much (and a machinegun that only weighs 12lbs!), but it's not enjoyed so much in practice, as the build and material quality is supposed to be pretty poor. Ameli guns used by Spanish marines had reinforcement welds done to them, which solves some of the problems, but not all.