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【T-N.T. 精密雙内徑氣墊內管系列】
T-N.T. 精密雙内徑氣墊內管 系列皆設計為通用平台，客戶只需要因應槍種更換不同種類的膠皮，既可安裝於AEG電動槍、GBB氣動槍 或 VSR狙擊槍等。絕大多數的現有尺寸齊全，亦可代為裁切客製尺寸。
【產品種類】
1. 標準型-精密雙內徑氣墊內管 (外徑8.5mm, 內徑6.03~6.35mm)
即是通稱的「氣墊管」，T-N.T. 的熱銷專利產品。在同一支內管中製作兩種不同的內徑，以出口端的較大內徑製造氣體包覆BB彈丸的效果即是所謂的 "氣墊效應"。因為是以同一支內管進行加工，故同軸性更好。
2. S+ 精密雙內徑日蝕氣墊內管 (外徑8.5mm, 內徑6.03~6.35mm)
以標準型氣墊管為基礎，於內管的入口端內壁底部設計一凸台，能將BB彈丸的發射前起始位置置於內管的中間並盡量與噴嘴同軸，並可減低BB彈丸與內管的接觸面積、減低對HOP-UP的下壓需求量(反過來說即是可以使用更重的彈種)、減緩BB彈丸於內管中衝過HOP-UP摩擦點之後的跳動幅度等。簡單來說就是提升彈道穩定度的升級版氣墊管。
3. H+ 精密雙內徑重型氣墊內管 (外徑9.95mm, 內徑6.03~6.35mm)
以標準型氣墊管為基礎，有著更厚實的管徑意味有著更優秀的抗共振性能，能有效地減緩擊發時內管的共振對彈道造成的影響，進而提升彈道穩定性。原設計為供各型手拉狙擊槍使用，但是只要外管的內徑夠大，即使是AEG或GBB也可以安裝使用。
4. HS+ 精密雙內徑日蝕氣墊重管 (外徑9.95mm, 內徑6.03~6.35mm)
以H+重型氣墊管為基礎，結合了S+日蝕管的特點，有著結合前述兩種內管性能的最高等級內管種類。
T-N.T. 精密雙内徑氣墊內管 系列皆設計為通用平台，客戶只需要因應槍種更換不同種類的膠皮，既可安裝於AEG電動槍、GBB氣動槍 或 VSR狙擊槍等。絕大多數的現有尺寸齊全，亦可代為裁切客製尺寸。
【產品種類】
1. 標準型-精密雙內徑氣墊內管 (外徑8.5mm, 內徑6.03~6.35mm)
即是通稱的「氣墊管」，T-N.T. 的熱銷專利產品。在同一支內管中製作兩種不同的內徑，以出口端的較大內徑製造氣體包覆BB彈丸的效果即是所謂的 "氣墊效應"。因為是以同一支內管進行加工，故同軸性更好。
2. S+ 精密雙內徑日蝕氣墊內管 (外徑8.5mm, 內徑6.03~6.35mm)
以標準型氣墊管為基礎，於內管的入口端內壁底部設計一凸台，能將BB彈丸的發射前起始位置置於內管的中間並盡量與噴嘴同軸，並可減低BB彈丸與內管的接觸面積、減低對HOP-UP的下壓需求量(反過來說即是可以使用更重的彈種)、減緩BB彈丸於內管中衝過HOP-UP摩擦點之後的跳動幅度等。簡單來說就是提升彈道穩定度的升級版氣墊管。
3. H+ 精密雙內徑重型氣墊內管 (外徑9.95mm, 內徑6.03~6.35mm)
以標準型氣墊管為基礎，有著更厚實的管徑意味有著更優秀的抗共振性能，能有效地減緩擊發時內管的共振對彈道造成的影響，進而提升彈道穩定性。原設計為供各型手拉狙擊槍使用，但是只要外管的內徑夠大，即使是AEG或GBB也可以安裝使用。
4. HS+ 精密雙內徑日蝕氣墊重管 (外徑9.95mm, 內徑6.03~6.35mm)
以H+重型氣墊管為基礎，結合了S+日蝕管的特點，有著結合前述兩種內管性能的最高等級內管種類。
【該如何挑選精密管？】
市場上改裝品牌為數眾多，各家都有自己所標榜的特色性能，那到底該怎麼挑選內管呢？
眾所周知，內管是提供BB彈丸行進的一個通道，也是每一把玩具BB槍的靈魂核心部件之一。
好的精密管產品，最直觀的便是內管的真直度與內壁的平滑平整度，是最基本也是最重要的。
● 內壁的平整度？
建議各位可以拿起手中的精密管並對著較亮的淺色背景，利用光影的折射，以肉眼觀察管內是否有細微的「波浪紋」。波浪紋越多即代表內壁越不平整，就好比車子在坑坑洞洞的柏油路上跑。而各種開溝、開槽、開洞等，亦可能會造成程度不一的影響。
● 內管的真直度？
有些人會以滾動內管來判斷直不直，這樣的做法有時並不太準確。建議各位可以拿起手中的精密管並對著較亮的淺色背景，利用光影的折射，以肉眼觀察管內時會看到幾個「光圈」，這些光圈要是呈現出來的都是「同心圓」，那內管的真直度就越高。
(當然在極為少數的情況下可能會發生內徑很直但外徑卻是歪的情況，那可能就是加工上出了點問題的瑕疵品...)
● 內管的同軸性?
同軸性越好，也代表BB彈丸行進的通道就越直。在任何內管相對接的情況下，都不一定能保證其100%的同軸性，亦可能會造成彈道表現有程度不一的影響。
市場上改裝品牌為數眾多，各家都有自己所標榜的特色性能，那到底該怎麼挑選內管呢？
眾所周知，內管是提供BB彈丸行進的一個通道，也是每一把玩具BB槍的靈魂核心部件之一。
好的精密管產品，最直觀的便是內管的真直度與內壁的平滑平整度，是最基本也是最重要的。
● 內壁的平整度？
建議各位可以拿起手中的精密管並對著較亮的淺色背景，利用光影的折射，以肉眼觀察管內是否有細微的「波浪紋」。波浪紋越多即代表內壁越不平整，就好比車子在坑坑洞洞的柏油路上跑。而各種開溝、開槽、開洞等，亦可能會造成程度不一的影響。
● 內管的真直度？
有些人會以滾動內管來判斷直不直，這樣的做法有時並不太準確。建議各位可以拿起手中的精密管並對著較亮的淺色背景，利用光影的折射，以肉眼觀察管內時會看到幾個「光圈」，這些光圈要是呈現出來的都是「同心圓」，那內管的真直度就越高。
(當然在極為少數的情況下可能會發生內徑很直但外徑卻是歪的情況，那可能就是加工上出了點問題的瑕疵品...)
● 內管的同軸性?
同軸性越好，也代表BB彈丸行進的通道就越直。在任何內管相對接的情況下，都不一定能保證其100%的同軸性，亦可能會造成彈道表現有程度不一的影響。
產品頁面連結 Product page link
【Introduction of T-N.T. inner barrel Series】
The precision inner barrel series of T-N.T. are all designed as a universal platform, only need to replace different types of bucking according to the gun type, which can be installed on AEG, GBB or VSR sniper rifles.
Most of the existing sizes are complete, and custom sizes can also be cut on your need.
【Types of T-N.T. Inner barrel Series】
1.Standard type - Precision double inner diameter air-cushion inner barrel (outer diameter 8.5mm, inner diameter 6.03~6.35mm)
It is the so-called "air-cushion barrel", a patented product of T-N.T. two different inner diameters were made in the same barrel, and the larger inner diameter at the outlet end was used to create a gas-coated BB to cause an "air-cushion effect". Because it is the same inner barrel, the coaxiality is better.
2.S+ Precision double inner diameter ECLIPSE air-cushion inner barrel (outer diameter 8.5mm, inner diameter 6.03~6.35mm)
Based on the standard air-cushion barrel, a boss is designed at the bottom of the inner wall of the inlet end of the inner barrel, which can place the starting position of the BB before the launch in the middle of the inner barrel and try to be coaxial with the nozzle, and can reduce the distance between the BB and the nozzle. The contact area of the inner barrel, reducing the down pressure requirement for the HOP-UP (conversely, heavier BBs can be used), slowing down the beating amplitude of the BB after rushing through the friction point of the HOP-UP in the inner barrel, etc. . Simply put, it is an upgraded air-cushion barrel that improves ballistic stability.
3.H+ Precision double inner diameter Heavy Air-cushion inner barrel (outer diameter 9.95mm, inner diameter 6.03~6.35mm)
Based on the standard air-cushion barrel, the thicker barrel diameter means better anti-resonance performance, which can effectively reduce the impact of the resonance of the inner barrel on the ballistics during firing, thereby improving the ballistic stability. The original design is for various types of hand-pulled sniper rifles, but as long as the inner diameter of the outer barrel is large enough, even AEG or GBB can be installed and used.
4.HS+ Precision double inner diameter ECLIPSE air-cushion heavy barrel (outer diameter 9.95mm, inner diameter 6.03~6.35mm)
Based on H+ air-cushion barrel, combined with the characteristics of S+ barrel, it has the highest-grade inner barrel type that combines the performance of the above two inner barrels.
【How to choose a precision inner barrel?】
There are many refit brands on the market, each of which has its own characteristic performance, so how to choose the inner barrel?
As we all know, the inner barrel is a channel for the BB to travel, and it is also one of the core components of the soul of every airsoft BB gun.
For a good precision barrel product, the most intuitive is the straightness of the inner barrel and the smoothness of the inner wall, which are the most basic and most important.
●The flatness of the inner wall?
It is suggested that you can pick up the precision barrel in your hand and face it against a brighter light-colored background, and use the refraction of light and shadow to observe whether there are subtle "wave patterns" in the barrel with the naked eye. The more wavy lines, the more uneven the inner wall, which means that the car is running on an uneven road. And all kinds of ditching, grooving, opening, etc., just like potholes on asphalt roads after heavy rain, may also cause varying degrees of impact.
●The true straightness of the inner barrel?
Some people will judge straightness by rolling the inner barrel, which is sometimes not very accurate.
It is suggested that you can pick up the precision barrel in your hand and face it against a brighter light-colored background. Using the refraction of light and shadow, you will see several "halo" in the barrel with the naked eye. If these halo appear as "concentric circles" , the higher the true straightness of the inner barrel.
(Of course, in very rare cases, it may happen that the inner diameter is straight but the outer diameter is crooked, which may be a defective product with some problems in processing...)
● Coaxiality of the inner barrel?
The better the coaxiality, the straighter the channel for the BB to travel. In any case where the inner barrel are connected to each other, 100% coaxiality may not be guaranteed, and it may also cause varying degrees of influence.
The precision inner barrel series of T-N.T. are all designed as a universal platform, only need to replace different types of bucking according to the gun type, which can be installed on AEG, GBB or VSR sniper rifles.
Most of the existing sizes are complete, and custom sizes can also be cut on your need.
【Types of T-N.T. Inner barrel Series】
1.Standard type - Precision double inner diameter air-cushion inner barrel (outer diameter 8.5mm, inner diameter 6.03~6.35mm)
It is the so-called "air-cushion barrel", a patented product of T-N.T. two different inner diameters were made in the same barrel, and the larger inner diameter at the outlet end was used to create a gas-coated BB to cause an "air-cushion effect". Because it is the same inner barrel, the coaxiality is better.
2.S+ Precision double inner diameter ECLIPSE air-cushion inner barrel (outer diameter 8.5mm, inner diameter 6.03~6.35mm)
Based on the standard air-cushion barrel, a boss is designed at the bottom of the inner wall of the inlet end of the inner barrel, which can place the starting position of the BB before the launch in the middle of the inner barrel and try to be coaxial with the nozzle, and can reduce the distance between the BB and the nozzle. The contact area of the inner barrel, reducing the down pressure requirement for the HOP-UP (conversely, heavier BBs can be used), slowing down the beating amplitude of the BB after rushing through the friction point of the HOP-UP in the inner barrel, etc. . Simply put, it is an upgraded air-cushion barrel that improves ballistic stability.
3.H+ Precision double inner diameter Heavy Air-cushion inner barrel (outer diameter 9.95mm, inner diameter 6.03~6.35mm)
Based on the standard air-cushion barrel, the thicker barrel diameter means better anti-resonance performance, which can effectively reduce the impact of the resonance of the inner barrel on the ballistics during firing, thereby improving the ballistic stability. The original design is for various types of hand-pulled sniper rifles, but as long as the inner diameter of the outer barrel is large enough, even AEG or GBB can be installed and used.
4.HS+ Precision double inner diameter ECLIPSE air-cushion heavy barrel (outer diameter 9.95mm, inner diameter 6.03~6.35mm)
Based on H+ air-cushion barrel, combined with the characteristics of S+ barrel, it has the highest-grade inner barrel type that combines the performance of the above two inner barrels.
【How to choose a precision inner barrel?】
There are many refit brands on the market, each of which has its own characteristic performance, so how to choose the inner barrel?
As we all know, the inner barrel is a channel for the BB to travel, and it is also one of the core components of the soul of every airsoft BB gun.
For a good precision barrel product, the most intuitive is the straightness of the inner barrel and the smoothness of the inner wall, which are the most basic and most important.
●The flatness of the inner wall?
It is suggested that you can pick up the precision barrel in your hand and face it against a brighter light-colored background, and use the refraction of light and shadow to observe whether there are subtle "wave patterns" in the barrel with the naked eye. The more wavy lines, the more uneven the inner wall, which means that the car is running on an uneven road. And all kinds of ditching, grooving, opening, etc., just like potholes on asphalt roads after heavy rain, may also cause varying degrees of impact.
●The true straightness of the inner barrel?
Some people will judge straightness by rolling the inner barrel, which is sometimes not very accurate.
It is suggested that you can pick up the precision barrel in your hand and face it against a brighter light-colored background. Using the refraction of light and shadow, you will see several "halo" in the barrel with the naked eye. If these halo appear as "concentric circles" , the higher the true straightness of the inner barrel.
(Of course, in very rare cases, it may happen that the inner diameter is straight but the outer diameter is crooked, which may be a defective product with some problems in processing...)
● Coaxiality of the inner barrel?
The better the coaxiality, the straighter the channel for the BB to travel. In any case where the inner barrel are connected to each other, 100% coaxiality may not be guaranteed, and it may also cause varying degrees of influence.