Recoil (often called knockback, kickback or simply kick) is the backward momentum of a gun when it is discharged. In technical terms, the recoil caused by the gun exactly balances the forward momentum of the projectile and exhaust gases (ejecta), according to Newton's third law. In most small arms, the momentum is transferred to the ground through the body of the shooter; while in heavier guns such as mounted machine guns or cannons, the momentum is transferred to the ground through its mount. In order to bring the gun to a halt, a forward counter-recoil force must be applied to the gun over a period of time. Generally, the counter-recoil force is smaller than the recoil force, and is applied over a time period that is longer than the time that the recoil force is being applied (i.e. the time during which the ejecta are still in the barrel of the gun). This imbalance of forces causes the gun to move backward until it is motionless.
A change in momentum results in a force, which according to Newton's second law is equal to the time derivative of the momentum of the gun. The momentum is equal to the mass of the gun multiplied by its velocity. This backward momentum is equal in magnitude, by the law of conservation of momentum, to the forward momentum of the ejecta (projectile(s), wad, propellant gases, etc...) from the gun. If the mass and velocity of the ejecta are known, it is possible to calculate a gun’s momentum and thus the energy. In practice, it is often simpler to derive the gun’s energy directly with a reading from a ballistic pendulum or ballistic chronograph.
Gas-operation is a system of operation used to provide energy to operate autoloading firearms. In gas operation, a portion of high-pressure gas from the cartridge being fired is used to power a mechanism to extract the spent case and chamber a new cartridge. Energy from the gas is harnessed through either a port in the barrel or trap at the muzzle. This high-pressure gas impinges on a surface such as a piston head to provide motion for unlocking of the action, extraction of the spent case, ejection, cocking of the hammer or striker, chambering of a fresh cartridge, and locking of the action.
Gas systems
Most current gas systems employ some type of piston. The face of the piston is acted upon by gas from the combustion of the propellant from the barrel of the firearm. Early methods such as Browning's 'flapper' prototype, the Bang rifle, and Garand rifle used relatively low-pressure gas from at or near the muzzle. This, combined with more massive operating parts, reduced the strain on the mechanism. To simplify and lighten the firearm, gas from nearer the chamber needed to be used. This gas is of extremely high pressure and has sufficient force to destroy a firearm unless it is regulated somehow. Several methods are employed to regulate the energy. The M1 carbine incorporates a very short piston, or "tappet". This movement is closely restricted by a shoulder recess. Excess gas is then vented back into the bore. The M14 rifle and M60GPMG use the White expansion and cutoff system to stop (cut off) gas from entering the cylinder once the piston has traveled a short distance. Most systems, however, vent excess gas into the atmosphere through slots, holes, or ports.
Balanced Recoil AK-107 / Kalashnikov SR-1: Is It Any Good?
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One of the really interesting variations on the AK to come out of Russian military development and testing is the balanced-recoil system, as exemplified on the military AK-107 and the commercial Kalashnikov SR-1 rifles. Contrary to common assumption, this is not a system to counteract to recoil created by the bullet leaving the barrel. Instead, it is intended to counteract the movement of the rifle caused by the bolt slamming into he rear of the receiver and into the chamber. These two events are what cause most of the movement in a 5.56mm or 5.45mm AK, not the minimal recoil of the actual bullet.
...
published: 01 Aug 2022
Russian AK-107
Larry checks out an automatic rifle that most people only dream of getting to shoot. The AK-107.
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Book: https://www.vickersguide.com/
Other videos you should see:
Shooting Watermelons with 6.5 Creedmoor - Larry Turns It Off
https://www.youtube.com/watch?v=XdRt8...
Inside the 1911
https://www.youtube.com/watch?v=jig-R...
Slow Motion Overload
https://www.youtube.com/watch?v=y9TAB...
DP 12 Shotgun
https://www.youtube.com/watch?v=HPwi1...
Wilson Combat Vickers Elite
https://www.youtube.com/watch?v=69Kzv...
50 Cal Machine Gun
https://www.youtube.com/watch?v=yuZ5V...
published: 29 Dec 2015
AK 107 Balanced Automatic Recoil System
"This system uses a recoil-reducing countermass mechanism with two operating rods that move in opposite directions, thereby providing "balance"."
https://en.wikipedia.org/wiki/AK-107
video source: http://i40.tinypic.com/e83cid.gif
published: 03 Oct 2017
Kalashnikov SR1 - Balanced Automatics Recoil System
Balanced Automatics Recoil System (AK-107 & AEK-971)
"BARS works by shifting mass toward the muzzle of the rifle as the bolt and bolt carrier recoil rearward by way of a counter-weight that negates the impulse of the gas piston and bolt carrier, resulting in more controllable automatic fire."
https://en.wikipedia.org/wiki/AEK-971#Design_details
video source: https://www.youtube.com/watch?v=-73_5LWMgdc
published: 25 Jan 2019
Russian Balanced Automatics Recoil System - AK-107
History:
https://en.wikipedia.org/wiki/AK-107
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published: 11 Sep 2021
NO RECOIL rifle - the AK-107 (Kalashnikov SR-1)
We take a closer look at the Kalashnikov SR-1 rifle, the civilian version of the infamous AK-107 - a balanced recoil action AK.
Is this just a gimmick or does the system actually work?
Check out the internals of the rifle and some cool slow motion footage of the system in action :)
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published: 19 Apr 2021
Modernized No Recoil AK
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One of the really interesting variations on the AK to come out of Russian military development and testing is the balanced-recoil system, as exemplified on the military AK-107 and the commercial Kalashnikov SR-1 rifles. Contrary to common assumption, this is not a system to counteract to recoil created by the bullet leaving the barrel. Instead, it is intended to counteract the movement of the rifle caused by the bolt slamming into he rear of the receiver and into the chamber. These two events are what cause most of the movement in a 5.56mm or 5.45mm AK, not the minimal recoil of the actual bullet.
The AK-107 is the military iteration of this system, and the SR-1 is the semiauto competition rifle version, and they both use the identical counter-balanced mechanism. Basically, the gas port vents both forward and backward, pushing on two separate pistons. One moved backwards, connected to the bolt carrier, and the other moves forwards to balance the momentum of the other. The two are connected by a sort of trolley with two gear wheels which ensure the two pistons remain synchronized. This system is relatively complex to disassemble, and the Russian military opted not to adopt it.
Kalashnikov Concern then released a semiauto version called the SR-1, specifically tailored to the IPSC-style rifle competition market. It uses a plastic lower and AR-type magazines, and has a crossbolt type safety instead of the standard AK safety. It also has a very effective three-port muzzle brake. In practice, it is actually this muzzle brake which contributes the most to the flat-shooting nature of the SR-1. The counter-balanced system does work as intended, but the improvement it provides is really on par with competition-style improvements made to AR rifles - and at the cost of significantly increased weight and complexity.
The SR-1 was a commercial flop for Kalashnikov, with only one production run being made, and subject to substantial QC problems. The rifles have been discontinued, and only a small number got out into the European civilian market.
Contact:
Forgotten Weapons
6281 N. Oracle 36270
Tucson, AZ 85740
https://utreon.com/c/forgottenweapons/
http://www.patreon.com/ForgottenWeapons
http://www.floatplane.com/channel/ForgottenWeapons
Cool Forgotten Weapons merch! http://shop.forgottenweapons.com
One of the really interesting variations on the AK to come out of Russian military development and testing is the balanced-recoil system, as exemplified on the military AK-107 and the commercial Kalashnikov SR-1 rifles. Contrary to common assumption, this is not a system to counteract to recoil created by the bullet leaving the barrel. Instead, it is intended to counteract the movement of the rifle caused by the bolt slamming into he rear of the receiver and into the chamber. These two events are what cause most of the movement in a 5.56mm or 5.45mm AK, not the minimal recoil of the actual bullet.
The AK-107 is the military iteration of this system, and the SR-1 is the semiauto competition rifle version, and they both use the identical counter-balanced mechanism. Basically, the gas port vents both forward and backward, pushing on two separate pistons. One moved backwards, connected to the bolt carrier, and the other moves forwards to balance the momentum of the other. The two are connected by a sort of trolley with two gear wheels which ensure the two pistons remain synchronized. This system is relatively complex to disassemble, and the Russian military opted not to adopt it.
Kalashnikov Concern then released a semiauto version called the SR-1, specifically tailored to the IPSC-style rifle competition market. It uses a plastic lower and AR-type magazines, and has a crossbolt type safety instead of the standard AK safety. It also has a very effective three-port muzzle brake. In practice, it is actually this muzzle brake which contributes the most to the flat-shooting nature of the SR-1. The counter-balanced system does work as intended, but the improvement it provides is really on par with competition-style improvements made to AR rifles - and at the cost of significantly increased weight and complexity.
The SR-1 was a commercial flop for Kalashnikov, with only one production run being made, and subject to substantial QC problems. The rifles have been discontinued, and only a small number got out into the European civilian market.
Contact:
Forgotten Weapons
6281 N. Oracle 36270
Tucson, AZ 85740
Larry checks out an automatic rifle that most people only dream of getting to shoot. The AK-107.
Click here to subscribe:
https://bit.ly/3qPWDw2
Click here to...
Larry checks out an automatic rifle that most people only dream of getting to shoot. The AK-107.
Click here to subscribe:
https://bit.ly/3qPWDw2
Click here to keep up with me:
Facebook: https://www.facebook.com/LarryVickers
Instagram: http://instagram.com/vickers_tactical
Website: http://www.vickerstactical.com/
Book: https://www.vickersguide.com/
Other videos you should see:
Shooting Watermelons with 6.5 Creedmoor - Larry Turns It Off
https://www.youtube.com/watch?v=XdRt8...
Inside the 1911
https://www.youtube.com/watch?v=jig-R...
Slow Motion Overload
https://www.youtube.com/watch?v=y9TAB...
DP 12 Shotgun
https://www.youtube.com/watch?v=HPwi1...
Wilson Combat Vickers Elite
https://www.youtube.com/watch?v=69Kzv...
50 Cal Machine Gun
https://www.youtube.com/watch?v=yuZ5V...
Larry checks out an automatic rifle that most people only dream of getting to shoot. The AK-107.
Click here to subscribe:
https://bit.ly/3qPWDw2
Click here to keep up with me:
Facebook: https://www.facebook.com/LarryVickers
Instagram: http://instagram.com/vickers_tactical
Website: http://www.vickerstactical.com/
Book: https://www.vickersguide.com/
Other videos you should see:
Shooting Watermelons with 6.5 Creedmoor - Larry Turns It Off
https://www.youtube.com/watch?v=XdRt8...
Inside the 1911
https://www.youtube.com/watch?v=jig-R...
Slow Motion Overload
https://www.youtube.com/watch?v=y9TAB...
DP 12 Shotgun
https://www.youtube.com/watch?v=HPwi1...
Wilson Combat Vickers Elite
https://www.youtube.com/watch?v=69Kzv...
50 Cal Machine Gun
https://www.youtube.com/watch?v=yuZ5V...
"This system uses a recoil-reducing countermass mechanism with two operating rods that move in opposite directions, thereby providing "balance"."
https://en.wik...
"This system uses a recoil-reducing countermass mechanism with two operating rods that move in opposite directions, thereby providing "balance"."
https://en.wikipedia.org/wiki/AK-107
video source: http://i40.tinypic.com/e83cid.gif
"This system uses a recoil-reducing countermass mechanism with two operating rods that move in opposite directions, thereby providing "balance"."
https://en.wikipedia.org/wiki/AK-107
video source: http://i40.tinypic.com/e83cid.gif
"BARS works by shifting mass toward the muzzle of the rifle as the bolt and bolt carrier recoil rearward by way of a counter-weight that negates the impulse of ...
"BARS works by shifting mass toward the muzzle of the rifle as the bolt and bolt carrier recoil rearward by way of a counter-weight that negates the impulse of the gas piston and bolt carrier, resulting in more controllable automatic fire."
https://en.wikipedia.org/wiki/AEK-971#Design_details
video source: https://www.youtube.com/watch?v=-73_5LWMgdc
"BARS works by shifting mass toward the muzzle of the rifle as the bolt and bolt carrier recoil rearward by way of a counter-weight that negates the impulse of the gas piston and bolt carrier, resulting in more controllable automatic fire."
https://en.wikipedia.org/wiki/AEK-971#Design_details
video source: https://www.youtube.com/watch?v=-73_5LWMgdc
History:
https://en.wikipedia.org/wiki/AK-107
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CONNECT ...
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History:
https://en.wikipedia.org/wiki/AK-107
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DISCLAIMER: By donating to me , you are claiming that the money being donated is your own money and you are willingly and voluntarily donating this money. You acknowledge that you are receiving no items in return for this donation, and that the money donated is non-refundable.
We take a closer look at the Kalashnikov SR-1 rifle, the civilian version of the infamous AK-107 - a balanced recoil action AK.
Is this just a gimmick or does t...
We take a closer look at the Kalashnikov SR-1 rifle, the civilian version of the infamous AK-107 - a balanced recoil action AK.
Is this just a gimmick or does the system actually work?
Check out the internals of the rifle and some cool slow motion footage of the system in action :)
Want to keep our channel free of RAID shadow legends?
This is how you can support us:
¤ Polenar Tactical Store: https://polenartactical.com/shop/
¤ Join our community at: http://www.patreon.com/polenartactical
¤ or slide in our DMs: http://instagram.com/PolenarTactical
We take a closer look at the Kalashnikov SR-1 rifle, the civilian version of the infamous AK-107 - a balanced recoil action AK.
Is this just a gimmick or does the system actually work?
Check out the internals of the rifle and some cool slow motion footage of the system in action :)
Want to keep our channel free of RAID shadow legends?
This is how you can support us:
¤ Polenar Tactical Store: https://polenartactical.com/shop/
¤ Join our community at: http://www.patreon.com/polenartactical
¤ or slide in our DMs: http://instagram.com/PolenarTactical
https://utreon.com/c/forgottenweapons/
http://www.patreon.com/ForgottenWeapons
http://www.floatplane.com/channel/ForgottenWeapons
Cool Forgotten Weapons merch! http://shop.forgottenweapons.com
One of the really interesting variations on the AK to come out of Russian military development and testing is the balanced-recoil system, as exemplified on the military AK-107 and the commercial Kalashnikov SR-1 rifles. Contrary to common assumption, this is not a system to counteract to recoil created by the bullet leaving the barrel. Instead, it is intended to counteract the movement of the rifle caused by the bolt slamming into he rear of the receiver and into the chamber. These two events are what cause most of the movement in a 5.56mm or 5.45mm AK, not the minimal recoil of the actual bullet.
The AK-107 is the military iteration of this system, and the SR-1 is the semiauto competition rifle version, and they both use the identical counter-balanced mechanism. Basically, the gas port vents both forward and backward, pushing on two separate pistons. One moved backwards, connected to the bolt carrier, and the other moves forwards to balance the momentum of the other. The two are connected by a sort of trolley with two gear wheels which ensure the two pistons remain synchronized. This system is relatively complex to disassemble, and the Russian military opted not to adopt it.
Kalashnikov Concern then released a semiauto version called the SR-1, specifically tailored to the IPSC-style rifle competition market. It uses a plastic lower and AR-type magazines, and has a crossbolt type safety instead of the standard AK safety. It also has a very effective three-port muzzle brake. In practice, it is actually this muzzle brake which contributes the most to the flat-shooting nature of the SR-1. The counter-balanced system does work as intended, but the improvement it provides is really on par with competition-style improvements made to AR rifles - and at the cost of significantly increased weight and complexity.
The SR-1 was a commercial flop for Kalashnikov, with only one production run being made, and subject to substantial QC problems. The rifles have been discontinued, and only a small number got out into the European civilian market.
Contact:
Forgotten Weapons
6281 N. Oracle 36270
Tucson, AZ 85740
Larry checks out an automatic rifle that most people only dream of getting to shoot. The AK-107.
Click here to subscribe:
https://bit.ly/3qPWDw2
Click here to keep up with me:
Facebook: https://www.facebook.com/LarryVickers
Instagram: http://instagram.com/vickers_tactical
Website: http://www.vickerstactical.com/
Book: https://www.vickersguide.com/
Other videos you should see:
Shooting Watermelons with 6.5 Creedmoor - Larry Turns It Off
https://www.youtube.com/watch?v=XdRt8...
Inside the 1911
https://www.youtube.com/watch?v=jig-R...
Slow Motion Overload
https://www.youtube.com/watch?v=y9TAB...
DP 12 Shotgun
https://www.youtube.com/watch?v=HPwi1...
Wilson Combat Vickers Elite
https://www.youtube.com/watch?v=69Kzv...
50 Cal Machine Gun
https://www.youtube.com/watch?v=yuZ5V...
"This system uses a recoil-reducing countermass mechanism with two operating rods that move in opposite directions, thereby providing "balance"."
https://en.wikipedia.org/wiki/AK-107
video source: http://i40.tinypic.com/e83cid.gif
"BARS works by shifting mass toward the muzzle of the rifle as the bolt and bolt carrier recoil rearward by way of a counter-weight that negates the impulse of the gas piston and bolt carrier, resulting in more controllable automatic fire."
https://en.wikipedia.org/wiki/AEK-971#Design_details
video source: https://www.youtube.com/watch?v=-73_5LWMgdc
History:
https://en.wikipedia.org/wiki/AK-107
Join this channel to get access to perks:
https://www.youtube.com/channel/UCSWjZAkz1rUebljnEd7tCGQ/join
CONNECT WITH US:
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DONATE:
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DISCLAIMER: By donating to me , you are claiming that the money being donated is your own money and you are willingly and voluntarily donating this money. You acknowledge that you are receiving no items in return for this donation, and that the money donated is non-refundable.
We take a closer look at the Kalashnikov SR-1 rifle, the civilian version of the infamous AK-107 - a balanced recoil action AK.
Is this just a gimmick or does the system actually work?
Check out the internals of the rifle and some cool slow motion footage of the system in action :)
Want to keep our channel free of RAID shadow legends?
This is how you can support us:
¤ Polenar Tactical Store: https://polenartactical.com/shop/
¤ Join our community at: http://www.patreon.com/polenartactical
¤ or slide in our DMs: http://instagram.com/PolenarTactical
Recoil (often called knockback, kickback or simply kick) is the backward momentum of a gun when it is discharged. In technical terms, the recoil caused by the gun exactly balances the forward momentum of the projectile and exhaust gases (ejecta), according to Newton's third law. In most small arms, the momentum is transferred to the ground through the body of the shooter; while in heavier guns such as mounted machine guns or cannons, the momentum is transferred to the ground through its mount. In order to bring the gun to a halt, a forward counter-recoil force must be applied to the gun over a period of time. Generally, the counter-recoil force is smaller than the recoil force, and is applied over a time period that is longer than the time that the recoil force is being applied (i.e. the time during which the ejecta are still in the barrel of the gun). This imbalance of forces causes the gun to move backward until it is motionless.
A change in momentum results in a force, which according to Newton's second law is equal to the time derivative of the momentum of the gun. The momentum is equal to the mass of the gun multiplied by its velocity. This backward momentum is equal in magnitude, by the law of conservation of momentum, to the forward momentum of the ejecta (projectile(s), wad, propellant gases, etc...) from the gun. If the mass and velocity of the ejecta are known, it is possible to calculate a gun’s momentum and thus the energy. In practice, it is often simpler to derive the gun’s energy directly with a reading from a ballistic pendulum or ballistic chronograph.