http://www.lastudiojapan.com/ L.A Studio M4A1 Ver3　GAS BLOW BACK L.A Studio has developed Version 3 of the M4A1 which is available for purchase in NOW！！ "Difference between old & new models" BOLT MATERIAL : Old model was made of BRASS - New model is made of DURALUMIN. ENGINE UNIT : Old model was a FIXED TYPE system - New model is a MOVEABLE TYPE system. L.A Studio has invented and introduced an innovative and unique "GAS SHUTOFF SYSTEM and MAGAZINE" The reload speed and recoil has been improved to give a more realistic shooting experience. L..A Studio has obtained a FIREARM MANUFACTURING LICENSE from the Japanese Government which has allowed us to manufacture models to export specifications. The new M4A1 Version 3 is rated for use with the R22 gas. "SPECIAL LIMITED OFFER" The standard base model - SYSTEMA M4A1 now comes with the Version 3 gas blow back system, genuine ejection port cover and A2 pistol grip. All products are engraved with the L.A Studio trademark and serial number. Price : 283000 Japanese Yen Other available parts; Spare Magazine : 18000 Japanese Yen Genuine Colt Magazine : 22000 Japanese Yen L.A Studio can export products WORLDWIDE. Please contact us for shipping prices. All our products can be purchased through our website. If you have any further enquiries, please do not hesitate to contact us via email in English. If you are interested in becoming a distributor in your country, please email your details to us.　 Email for movie +++A company profile+++　 　company name 　L.A Studio Ltd.　 　address 　5-2-4-12　Higashinaebo Higashiku Sapporo City JAPAN 　representative director 　Osamu Nakamura 　business hours　or holiday 　am8:00-pm5:00　　Saturday, Sunday, a holiday 　e-mail 　military@lastudiojapan.com 　telephone 　phone　011-788-0070　　facsimile 　011-788-0071