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Arms OC is a weapon selector in Arknights: Endfield. See recommended characters for each weapon, all current and upcoming Arms OC crates, weapons in each selector, and how you can get them here!
List of Contents
The best weapons to get in the Arms OC depend on the characters you have in your account. See all the recommended characters for each weapon in the selector below!
| Weapon | Recommended Characters |
|---|---|
Chivalric Virtues
|
Best-in-Slot: |
Clannibal
|
Best-in-Slot: |
Detonation Unit
|
Best-in-Slot:
Recommended Characters: |
Eminent Repute
|
Best-in-Slot:
Recommended Characters: |
Exemplar
|
Best-in-Slot: |
Former Finery
|
Best-in-Slot:
Recommended Characters: |
Grand Vision
|
Recommended Characters: |
JET
|
Best-in-Slot: |
Oblivion
|
No Recommended Characters
|
Rapid Ascent
|
Best-in-Slot: |
Sundered Prince
|
Recommended Characters: |
Thermite Cutter
|
Best-in-Slot:
Recommended Characters: |
Valiant
|
Recommended Characters: |
Wedge
|
Best-in-Slot:
Recommended Characters: |
White Night Nova
|
No Recommended Characters
|
Best-in-slot refers to the best characters that can equip that weapon, while recommended characters are weapons that are suitable alternatives for the listed characters.
| Arms OC | Weapons |
|---|---|
| Express Delivery Ending After 3 Chartered Banners |
|
| Smelting Forge Ending After 2 Chartered Banners |
|
| Solid Ice | |
| Cosmic Voice | |
| Far Expedition | |
| Rising Mount | |
| Thunderous Peal |
These are the selectable 6-Star Weapons from each Arms OC crate. You may only select one of these, so choose wisely!
These Arms OC crates can only be acquired for as long as their respective Arsenal Issue banners are active. Once they end, the Arms OC for these banners will no longer be available.
Arsenal Issue Weapon Banner Guide
| Arms OC | Weapons |
|---|---|
| Graffiti 2/24 - 3/12/2026 |
These are the selectable 6-Star Weapons from the upcoming Arms OC crate. Once again, you may only select one of these, so choose whichever fits your characters best!
Just like the current Arms OC crates, these ones can only be acquired for as long as their respective Arsenal Issue banners are active. Once they end, they will no longer be available.

To get Arms OC crates, Endministrators must first pull for weapons in Arsenal Issue Banners.
Afterwards, should they get the featured weapon in the banner, Arms OC crates can then be acquired by pulling for 9 more issues in the same banner.

If you really can't decide on which weapon to choose, you may simply cancel selecting from Arms OC crates and save them for future use. All weapon supplies, including Arms OC crates, will be stored in the Valuables stash of your inventory.
That way, should any other 6-Star Operator come along, you will have a weapon ready for them.

| All Items By Category | ||
|---|---|---|
| Progression Materials | Natural Resources | Gatherables |
| AIC Products | Usable Items | Mission Items |
| Valuables | Operator Gifts | |
Best Weapon in Arms OC Weapon Selectors Guide

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