Slide Firing Versus Bump Firing – Understanding The Difference

Posted by oldglory on December 30, 2014

Slide fire stocks from Old Glory Guns and AmmoBump firing is not a new concept. It is a trend that has been a part of the shooting community for many, many years, and during that time has garnered a fair degree of popularity amongst shooters, particularly as a source entertainment. The concept of bump firing is simple: the shooter utilizes the natural recoil of the weapon they are firing, typically an assault rifle or other semi-automatic weapon, to help the firearm discharge multiple rounds of ammunition in quick succession. The goal of this technique is to mimic, as effectively as possible, the functionality of fully automatic firearms to fire large quantities of ammo in a short amount of time.

Broken down into detail, the technique goes something like this: the shooter releases his or her firing hand from the grip of the weapon, but keeps the trigger finger in position, while pushing forward with the non-firing hand. In essence, the rifle is pushed forward into the trigger finger, which fires the gun. Now, since the grip is not being held, the firearm will recoil, or “bump” backwards with considerable force, only to be forced forward again by the non-firing hand until the trigger is depressed once more in a cycle that can last as long as the shooter desires, even until they run out of ammunition! While not applicable to all types of guns, there have been shooters who have adapted this practice for use with certain pistols.

There are downsides to this technique – the greatest of which is accuracy as proper aiming while bump firing is considered to be next to impossible, given the inherently jerky nature of the weapon during the firing process. Slide Fire Stocks, such as the SSAR-15 or the SSAK-47 XRS, however, were engineered to alleviate the problems associated with bump firing – especially that of aiming.

The technology used in Slide Fire Stocks is actually pretty simple, yet the results are incredible. To use an installed Slide Fire Stock on a weapon such as an AR-15 rifle, the shooter pushes forward on the weapon, which slides forward in the stock until the stationary trigger finger is hit, discharging the firearm. The weapon recoils back into the spring-loaded Slide Fire Stock, releasing the trigger just long enough for the shooter to push forward on the rifle again to fire another round as the weapon slides forward in the stock again until the trigger is depressed once more. The way in which the weapon slides back and forth within the Slide Fire Stock is how the device earned its name.

While these stocks are certainly a device meant to improve upon the act of bump firing, it is critical to note that when using something like the SSAR-15, the natural recoil absorption of the springs in the stock combined with the forward-application of force by the non-firing hand to depress the stationary trigger finger actually allow for a shot-by-shot correction of where the weapon is being aimed. What this results in is far greater accuracy, and as anyone familiar with guns and ammunition will tell you, gun accuracy is gun safety!

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