【 DYTAC 製 】 F4 Defense 正式ライセンス 東京マルイ GBB M4 対応 F4-15 Gen.2 レシーバー セット 6061アルミ合金 ( アッパー ＆ ロア フレーム ) [ F4-REC-MWS-G2-BK ]

This is a Gen.2 conversion kit for Tokyo Marui M4 gas blowback series airguns, including parts like ambidextrous magazine catch, selector, and charging handle.

• The installation difficulty is rated as difficult.
• Some parts require modification or replacement for certain manufacturers.