ENARM Pentagun

{{more citations needed|date=February 2016}}

{{infobox weapon

| name = ENARM Pentagun

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| origin = Brazil

| type = Shotgun

| is_ranged = YES

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| designer = Nelmo Suzano, Luiz Gonçalves and Gilson Fontes{{cite web |title=ENARM Pentagun |url=http://armasdefogoemunicoes.blogspot.nl/2008/12/enarm-pentagun.html |website=Armas de Fogo e Munições |access-date=10 December 2019 |language=pt}}

| design_date = December 1986

| manufacturer = ENARM

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| weight = 3.4kl

| length = 900mm (commercial), 680mm (military/police){{cite web|title=The Pentagun: Guns of Nelmo Suzano |url=https://www.thefirearmblog.com/blog/2017/01/25/pentagun-guns-nelmo-suzano/ |website=The Firearm Blog |access-date=10 December 2019}}

| part_length = 510mm (commercial), 290mm (military/police)

| cartridge = 12 Gauge

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| action = Double action

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| feed = 5 round cylinder

| sights = Iron

}}

The Pentagun is a five-round shotgun manufactured by the Brazilian firm ENARM (Empresa Nacional de Armas). It has a revolver-type cylinder and could be fired double action only.

Gas blow-by between cylinder and barrel was prevented by means of movable barrel, which was pulled just prior to firing 1.5mm backwards into the corresponding recesses in cylinder. The shotgun utilizes a straight-line configuration (similar to AR-15) in order to minimize muzzle rise when firing.