「Tokyo Marui MP7A1 / With long inner barrel 242mm」
X-FIRE
「Install PDI inner barrel 242mm...」

MP7A1 has high potential in spite of Compact AEG.
To bring out its best, we suggest "Extension of Inner barrel".
If you install PDI 242mm barrel, it sticks out 44mm.
(Left Pict.)

You may have some question, for example...
*What part you need to extend inner barrel??
*How is it with PDI Muzzle??

If you have some question, please read below explanations.
＜Topics＞


MP7マズルベースの必要性
"Why need Muzzle Base??" ... You need PDI Muzzle Base when you extend inner barrel.

242mm01バレル
If you use PDI Attachment, you can attach Silencer that has 14mm screw(Positive or Negative)

バレルが収まる組み合わせ
How long does inner barrel(242mm) stick out when you attach PDI Muzzle for MP7??
Please note;you cannot extend inner barrel with Normal Muzzle....the reason is here.
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MP7マズルベースの必要性

「What's Muzzle Base ??」

You can find this parts when you dismount front Cap.

This pict. is ctoss-section.You can see the position of Muzzle Base and Inner Barrel.
If you install 242mm barrel, it pass though Muzzle Base.

Notmal Muzzle Base cannot though inner barrel.

Please read below...

UP is Normal Muzzle base.Under is PDI's one.（

Let's see its inner.


Normal one(Left) has step its inner and long inner barrel cannot pass through it.
PDI's one (Right) has no step and can pass through inner barrel.
And more, PDI's one has 8.7mm inner diameter and effect of barrel Spacer.

Please note;
Normal Muzzle has step its inner ,too.

Normal Muzzle Base
PDI Muzzle Base.
 
MP7A1 Muzzle Base You need this item when you install long inner barrel!!
X-FIRE Price \1,396 /637963
Made of Duralmin & all CNC machined. Inner diameter is 8.7mm
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242mm01バレル

You can attach the PDI Muzzle Attachment if you use PDI Muzzle Base.

With 242mm barrel, Muzzle Attachment and Silencer.
Inner barrel doesn't stick out from Silencer.


Please note;
PDI Muzzles for MP7A1 doesn't have 14mm screw.
So if you attach PDI's Muzzle for MP7, you don't need Muzzle Attachment.(It is OK only Muzzle Base)
MP7A1 Muzzle Attachment X-FIRE Price \1,102
・Made of Duralmin and all CNC machined. 8.7mm inner diameter and 15.8mm outer diameter.
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バレルが収まる組み合わせ
When you use 242mm long inner barrel and PDI Muzzle for MP7A1,You cannot select Short type Muzzle because inner barrel sticks out.Short type Muzzle is made for Normal inner size.
Long type Muzzle Short type Muzzle
Vortex Others Vortex Others

242mm long inner barrel hide inside Muzzle completely. 242mm long inner barrel comes out from side's port(first port from gun)

With short type Muzzle, long inner barrel comes out or stick out from Muzzle & side's port.
・Vortex short type Muzzle．．．
Inner barrel comes out about 27.4mm.
・Other short type Muzzle ．．．
Inner barrel sticks out about 4.6mm from Muzzle.
242mm barrel is about 36.4mm longer when use Short type Muzzle.
Long Muzzle for 242mm long inner barrel.
Made of Duralmin and all CNC machined. 12mm Negative screw.
PDI製 MP7A1 ボルテックスマズルはコチラ X-FIRE Price \2,646

PDI製 MP7A1 フルーテッドマズル X-FIRE Price \2,499
MP7 5ポートマズル X-FIRE Price \2,352

MP7 ツイスターマズル X-FIRE Price \2,646
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Please read the below policy
We deem to get your agreement for the below policy when you place an order.
○We couldn't assure the trouble with your lack of skill.
○It may be required to adjust to fit because our custom parts reduce the clearance of normal parts to lead the best condition.
○Do not use the 3rd party products.Because we design with Normal parts or PDI-products.
　If you ignore our rule & breake up your guns、we couldn't be responsible.
○It is possible to change the spec or design.