Looking for a way to do a custom MP7A1? Laylax are now taking pre-orders for the Stock Base Set for the Tokyo Marui MP7A1 AEG which allows to you use another type of stock such as those used for M4s... The Set Stock Pipe Stock Ring is attached to the base stock! It is the item for mounting the M4-based stock to the Tokyo Marui made ​​electric MP7A1.