Bump fire
Bump firing is the act of using the recoil of a firearm to fire multiple shots in rapid succession. This process involves holding the foregrip with the non-trigger hand, releasing the grip on the firing hand (leaving the trigger finger in its normal position in front of the trigger), pushing the rifle forward in order to apply pressure on the trigger finger from the trigger, and keeping the trigger finger stationary. The firearm will recoil and then return to its previous position after the round has been fired first resetting and then pressing forward against the trigger thereby firing successive shots.
The relatively-rapid bursts from semi-automatic firearms crudely simulate the discharge of automatic firearms. Even though a large number of rounds are fired in rapid succession, the trigger finger initiates each discharge; therefore, fully automatic fire is not actually taking place.
A similar method can be employed with semi-automatic pistols, in which one hand holds the grip, two fingers are placed in the trigger well, and then the grip hand shoves the weapon forwards while the trigger fingers remain stationary. With revolvers, automatic fire can be simulated by using two trigger fingers firing offset.
All these techniques greatly degrade the accuracy of the firearm, due to the necessary jerking of the weapon. The techniques trade accurate aimed fire for an increase in the firearm's rate of fire. Bump-firing requires practice and concentration. It is uncommon to "empty the mag" without a stoppage. The inaccuracy, difficulty, and ammunition costs render the practice uncommon.
Devices (from complicated, specially made triggers to the low-tech rubber band) are employed in order to cause or facilitate the "bumping." However, not all such devices or modifications are legal. A famous example in the United States of America is the case of the Akins Accelerator for the Ruger 10/22.[1] Though the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) initially approved the device, they later reversed this ruling, two years after they had approved it for sale. Bill Akins received no compensation, and was forced to surrender his devices and customer list to the ATF.[2]
Slide Fire Solutions produces a stock, the SSAR-15, which achieves a similar effect for AR-15 rifles, and which is approved by the ATF.[3][4] In 2011 Slide fire solutions added a bump fire stock for AK-47/74 and Saiga type rifles.
[edit] See also
[edit] References
- ^ US patent 6101918
- ^ Christian Wade (21 December 2007). "Pasco Marksman's Invention Leads Him To Ruin". Tampa Tribune. http://beta2.tbo.com/business/consumer/2007/dec/18/pasco-marksmans-invention-leads-him-ruin-ar-176333/.
- ^ "SSAR-15 ATF approval letter". http://www.slidefiresolutions.com/BATFE-Slide-Stock-Review-Le.jpg.
- ^ Joseph von Benedikt (22 July 2011). "Shoot Your AR-15 Faster Than Ever With a Slide Fire Stock". Shooting Times. http://www.shootingtimes.com/2011/07/22/shoot-your-ar-15-faster-than-ever-with-a-slide-fire-stock/.
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