Size comparison with a cigarette pack.
It's the largest weapon among the SEED-series striker packs.

Various angles

Two joint parts for the stand are included, and they attach horizontally to the bottom of the main body nice and securely.

Open gimmicks on various parts

To attach it to the MG Eclipse Gundam, first detach the nose head unit, then bend the connector upward.

Extend the connector of the large beam cannon mounted on the underside, rotate it 180 degrees, and swing it up.

MG Eclipse Gundam combined with the Raijin Striker equipment.
Due to the structure, it cannot stand on its own without an action base.

For aerial display in the combined state, it's recommended to use two action bases to
secure both the backpack and the crotch area simultaneously.
That's probably due to the size and weight — to fix both at the same time, you'll need to get the angles of the action bases just right.
By the way, you can borrow the second action base from the MG Eclipse Gundam kit.

Securely displayed in the air using two action bases

Large beam cannon firing pose

Large beam cannon + beam rifle pose

Beam saber & beam shield pose

Reattach the head unit, connect it to the back of the MA form, then lower the nose section down to complete the combination.

To display the Raijin Striker + MA form in the air, you'll need to set up two action bases in the configuration shown above.

MG Eclipse Gundam MA form combined with the Raijin Striker.