Manufactured in 1929, this is a rare Swedish-made variant of the famed 1918 Browning Automatic Rifle. Part of the first generation of relatively lightweight automatic weapons intended for use by small units, the BAR set a standard for the highly mobile infantry machine gun that stood up for many wars, and found a home in many arsenals through both direct export and licensed local production. Sweden was an adopter, taking up their 1921 variant as made both in Belgium by FN and at home by the noted Carl Gustaf firm, like this one. Most of the "guts" of the Swedish 1921 are instantly recognizable as the BAR, with most of the changes being ergonomic in nature, such as the addition of a full pistol grip and the change of the selector switch from a low profile lever to a more prominent thumb switch that can be reached by the right hand without breaking grip. Blade front and folding ladder peep sights with fixed battle sight, a threaded muzzle with thread protector, folding bipod with hinged feet, and finely checkered forearm, grip and buttstock. The top of the receiver bears the Carl Gustaf markings along with the date of "1929", and matching numbers are present on multiple components. The selector switch is marked "P" (semi), "A" (full) and "S" (safe), with a variant on the spring loaded safety lockout of the 1918; disengaging the safety cannot be done unless the lockout is depressed, but the lockout only provides extra resistance and tactile feedback before flipping over from automatic to safe. The magazine is reconfigured to accommodate the Swedish 6.5mm rifle round, with a mild curve to accommodate the rim.

Very fine as deactivated, with 85% of the original blue finish, showing areas of brown and gray patina, a number of scratches and handling/takedown marks, spotting, scuffs and dings. The buttstock is cracked on the left side in the vicinity of the recoil assembly, and the number "33" has been added to the right side of the forearm by removing squares of checkering, with a number of scuffs and dents overall. The deactivation was performed by welding the breech and then welding the barrel to the receiver at the sides, the chamber weld mostly concealed with the breech closed and the sides mostly concealed by the forearm. The face of the bolt has not been welded or otherwise altered, and aside from full closure being prevented by the chamber weld the mechanism appears to be in good order at all three selector positions. No assurance about the ease, feasibility or expense of reactivation is given. NOTE: This weapon is a National Firearms Act (NFA), Class 3 DEWAT that is fully transferable, which is registered with the Bureau of Alcohol, Tobacco, Firearms and Explosives, (BATFE) under the provisions of 18 U.S.C. Chapter 44 and 27 CFR part 478.