The brush gun can fire a total of about 745 standard rounds, the equivalent of 125 reloads, from full condition before breaking. When loaded with hand loaded semi-wadcutter rounds, this can be a very effective weapon to use against high-level targets, such as deathclaws and super mutants.

The iron sights are somewhat large and obstructive, meaning that it is difficult to track fast-moving enemies like cazadores. In spite of this, the brush gun uses this ammunition quite efficiently: it has the highest damage per shot and damage per second of all the weapons that use this ammunition. 45-70 Gov't round, one of the rarest ammunition types in the game. High damage output, low spread, and a moderate firing rate make this gun a very powerful and accurate weapon. This allows the weapon to be fired before reloading is complete. Due to the gun's tubular magazine, it is reloaded by hand one bullet at a time, allowing the player character to interrupt reloading mid-way. The brush gun has two types of sights on it.

One of the main rifles of the NCR Veteran Rangers, the brush gun is a lever-action rifle firing. 'Brush gun' is an informal umbrella term used to refer to any large-caliber, lever-action hunting carbine.

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