Matrix M4 CQB-R Convertible Barrel Adapter / Extension Set (14mm-) Applications:
- Instantly increase outer barrel length of any AEG with 14mm negative thread.
- Convert your CQB-R to a M4 length barrel. (Still allowing your flash hider / mock silencer)
- Convert your M4 to use free float M16 type R.I.S.
- Convert your VFC / BOYI (Echo1) Scar to Longer version.
- Convert Any AEG barrel with 14mm negative thread to longer outer barrel. (For specific attachments such as over barrel silencers.)
- High Grade Aircraft Grade Steel Construction.
- Precision 14mm negative counter-clockwise thread.
- Each extension comes with inner 14mm thread and outer 14mm thread.
Long : 110mm (including thread)
Medium: 55mm (including thread)
Short: 27.5mm (including thread)
"Great threads. Screw together flush. Great buy
"They do what they're supposed to - extend the outer barrel. Since they all have threads on the end, you can and are recommended to attach another piece on the end, like a custom flashhider.
The only oddness was when I first took them out of the little baggy they came in. They were attached to each other and covered in grease... Other than that, no problem so far.
"i have the dboys m4 cqb sd can i take the mock silencer off and put the extension on to use the mad bull amplifier.
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