From MS Gundam Katana, S.P.R.I.’s HGUC 1/144 RGM-79FC Striker Custom (RX-78-2 revive based) images, info
The RGM-79FC Striker Custom is a variant of the RGM-79FP GM Striker. It was first featured in Mobile Suit Gundam: Bonds of the Battlefield and later in the manga Mobile Suit Gundam Katana. It is piloted by Ittou Tsurugi.
S.P.R.I.
HGUC 1/144 RGM-79FC Striker Custom Garage Kit
HGUC RX-78-2 revive version main body kit must be purchased