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Begadi PRO 50° "GBB5" Flat Hop Bucking / Rubber for GBB & Hybrid Barrels -green-
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The GBB5 series are newly developed HopUp buckings / rubbers from Begadi, designed in Germany!
These are specially designed for GBB guns and HopUp units and have some special features to increase the range and reduce spread.
Patch:
Our patch of the GBB5 bucking has a radius of 2.5mm (5mm diameter). This is therefore smaller than the BB itself and thus ensures that the BB is precisely centered in the barrel.
The BB is also guided straight when fired in order to prevent outliers to the side. In order to generate a constant hop effect, the braking effect decreases in the front area.
In order to be able to guarantee the best possible compatibility with the tensioners available on the market, the patch was equipped with a large radius at the sides.
Seal:
When installed, our GBB5 bucking is 0.2mm larger in diameter than some original buckings. As a result, the rubber is pressed lightly against the wall of the HopUp Unit during assembly, which results in a very good seal.
The rear diameter (seal to the nozzle) is 6.1mm with a tolerance of 0.05mm and is therefore slightly larger compared to the VSR version. This is necessary to keep the nozzle tight on the one hand, but at the same time to avoid jamming of the nozzle in the bucking.
Barrels:
Our bucking is compatible with open GBB barrels as well as hybrid barrels with a bridge.
Durability and wear and tear:
All of our Begadi PRO buckings are made from a very robust and hard-wearing rubber mixture. This keeps the set HopUp effect constant for a long time and wears out much more slowly than conventional rubbers.
Even with dismantling or maintenance, you don't have to worry that the rubber will crack on the patch. Nevertheless, you should exercise some caution when pulling it off. Please pay attention to the correct selection of the hardness for your weapon (energy and bullet weight). If a rubber that is too soft is chosen, wear increases!
Marking / Hardening:
In order to be able to tell our buckings apart, the respective version is marked directly. The rubber compound (hardness) is reflected in the color: 50° green - 60° blue. This means that you can immediately see which version it is. Depending on the temperature, tensioner and ball weight, a 50° or 60° is required. Please note that a rubber compound becomes a little harder in the cold.
The choice of hardness:
Due to the large number of different HopUp units and tensioners on the market, we unfortunately cannot say exactly which hardness works better in your GBB.
Here is an example: A WE HiCapa has a slightly flatter tensioner, which requires a 60° bucking for 0.30g BBs. An Army Armament R17, on the other hand, develops a little more pressure via the tensioner, which means that 50° is already sufficient. We recommend testing both hardnesses to find out which hardness works more consistently in your HopUp Unit.
Sighting in:
Like all other buckings available on the market, ours must be shot in. A constant HopUp effect is achieved here after approx. 200 - 400 shots. (Depending on the energy and weight of the ball)
Avoid setting too much hop for the first 2 magazines, as the patch has to be worked in first. If possible, use a gas with a low silicone content, as this can greatly reduce the HopUp effect.
These are specially designed for GBB guns and HopUp units and have some special features to increase the range and reduce spread.
Patch:
Our patch of the GBB5 bucking has a radius of 2.5mm (5mm diameter). This is therefore smaller than the BB itself and thus ensures that the BB is precisely centered in the barrel.
The BB is also guided straight when fired in order to prevent outliers to the side. In order to generate a constant hop effect, the braking effect decreases in the front area.
In order to be able to guarantee the best possible compatibility with the tensioners available on the market, the patch was equipped with a large radius at the sides.
Seal:
When installed, our GBB5 bucking is 0.2mm larger in diameter than some original buckings. As a result, the rubber is pressed lightly against the wall of the HopUp Unit during assembly, which results in a very good seal.
The rear diameter (seal to the nozzle) is 6.1mm with a tolerance of 0.05mm and is therefore slightly larger compared to the VSR version. This is necessary to keep the nozzle tight on the one hand, but at the same time to avoid jamming of the nozzle in the bucking.
Barrels:
Our bucking is compatible with open GBB barrels as well as hybrid barrels with a bridge.
Durability and wear and tear:
All of our Begadi PRO buckings are made from a very robust and hard-wearing rubber mixture. This keeps the set HopUp effect constant for a long time and wears out much more slowly than conventional rubbers.
Even with dismantling or maintenance, you don't have to worry that the rubber will crack on the patch. Nevertheless, you should exercise some caution when pulling it off. Please pay attention to the correct selection of the hardness for your weapon (energy and bullet weight). If a rubber that is too soft is chosen, wear increases!
Marking / Hardening:
In order to be able to tell our buckings apart, the respective version is marked directly. The rubber compound (hardness) is reflected in the color: 50° green - 60° blue. This means that you can immediately see which version it is. Depending on the temperature, tensioner and ball weight, a 50° or 60° is required. Please note that a rubber compound becomes a little harder in the cold.
The choice of hardness:
Due to the large number of different HopUp units and tensioners on the market, we unfortunately cannot say exactly which hardness works better in your GBB.
Here is an example: A WE HiCapa has a slightly flatter tensioner, which requires a 60° bucking for 0.30g BBs. An Army Armament R17, on the other hand, develops a little more pressure via the tensioner, which means that 50° is already sufficient. We recommend testing both hardnesses to find out which hardness works more consistently in your HopUp Unit.
Sighting in:
Like all other buckings available on the market, ours must be shot in. A constant HopUp effect is achieved here after approx. 200 - 400 shots. (Depending on the energy and weight of the ball)
Avoid setting too much hop for the first 2 magazines, as the patch has to be worked in first. If possible, use a gas with a low silicone content, as this can greatly reduce the HopUp effect.
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