The Remington model 721 is a bolt-action rifle produced by the firearms manufacturer, Remington Arms. It was built around the .300 Savage cartridge and was designed to have a clip-fed box magazine. In production from 1927 to 1932, it was one of Remington's most popular bolt-action rifles of the early 20th century. About 2/3 of the rifles produced were sporterized following World War II, and it is now one of very few sporterized Remington 721s to be found. The rifle was designed by Remington Arms to fire the .300 Savage cartridge, which had been developed by Charles Newton in 1915 for use in Thomas Crossley Johnson's Savage Model 99. Over the years, the .300 Savage developed a reputation as an effective varmint round with high velocity and flat trajectory. After seeing the success of this cartridge, Remington decided to chamber their new bolt-action rifle for it. The 721 was in production in 1927 and remained in production in 1931. A total of about 1,800 rifles were produced. The original action used the Savage's rotary bolt system, but after the bolt could not be held back with a single snap link, Remington redesigned it to include an internal safety device. This safety was later changed to a simple pistol grip safety by Dean Parisot. The safety itself was released for sale by Remington, which is one of the few models that were made after World War II that could be found sporterized. The breech block used a standard Remington design with two lugs at the front of the bolt engaging recesses in the barrel extension. The bolt head itself was nearly identical to that of the Remington model 30. The rifle's action was designed around an internal box magazine that would be loaded via clips, much like the Mauser 98. A detachable box magazine could be purchased separately for US$1.50 (approx $19 in 2009 currency) and attached using a spacer system to make sure it would never require filling when attached to the rifle. The internal magazine, however, could hold four rounds when installed or all six if detached. The rifle's magazine was very similar in layout to the magazine of the Winchester model 12, but instead of a spring-loaded follower, it had a spring-loaded clip that was inserted into the magazine when it was full and then removed when reloading. After Remington decided not to produce an updated version of the Model 721 in 1932, they began production of a longer barreled model called the Model 73. A total of about 1,800 rifles were made by Remington. Of those approximately 776 were sporterized followed by 462 made for commercial sales to wholesalers and retailers. 8eeb4e9f32 15
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