Remington Model 878
Remington Model 878 | |
---|---|
Type | tube magazine |
Sights | Bead front; plain or vent rib barrel |
References | [1][2] |
The Remington Model 878, also known as the 878 Automaster, is a
Design
The predecessor to the Model 878, the
The Model 878 introduced an improved "self-adjusting" gas system,[3] a notable improvement over the Model 58, which required the gas system to be manually adjusted for different types of ammunition. Barring this and cosmetic differences, the Model 58 and Model 878 are virtually the same, with both models essentially being gas operated versions of Remington's pump action Model 870.
The gas system on the Model 878 utilizes a gas piston, which operates by tapping combustion gases from two gas ports in the barrel ring and directing the gases down into the piston, housed in the magazine cylinder. Rearward motion of the gas piston actuates the action bar which also moves rearward to open the bolt, allowing the spent shell to be ejected while moving a new cartridge from the
The shortcoming in the design of the gas system on the Model 878 was addressed with an updated gas system found on Remington's
References
- ^ "MODEL-878". remington.com. Archived from the original on December 20, 2015 – via Wayback Machine.
- ^ "Model 878 Autoloading Shotgun (user manual)" (PDF). Madison, North Carolina: Remington Arms. Retrieved June 5, 2020.
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(help) - ^ "Remington Rifle News". May 1960. Archived from the original on March 10, 2014 – via Wayback Machine.
External links