M99A2S3 Stanchion

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M99A2S3 Special Application Scoped Rifle
M99 Stanchion.png
Production overview

Manufacturer:

UNSC Spirit of Fire[1]

Model series:

M99 Series

Type:

Recoilless anti-matériel rifle

Specifications

Length:

208.7 cm (82.17 in.)[2]

Ammunition type:

APFSDS rounds

Feed system:

7 rounds

Service history

In service:

Post-Covenant War conflicts

 

The M99A2S3 Special Application Scoped Rifle, also referred to as the M99A2S3 Stanchion is a variant of the M99 Stanchion created on the UNSC Spirit of Fire by Isabel.[1]

Design and development[edit]

Design details[edit]

It has an inertia buffer that helps manage recoil.[3] It also has a bipod that can be folded back and secured on the weapon.[1]

It is compatible with an "ATLAS HISHOT PRO-X" smart-link optics.[1]

Ammunition[edit]

The weapon has a feed of 7 rounds. These rounds are penetrator darts that are covered in a Sabot, and Storage casing which is "full burn-up".[1]

Development history[edit]

The M99A2S3 was developed on the UNSC Spirit of Fire in its manufacturing block "23-CELL 14". It is based on a template by Isabel called "Isabel-2558-01-00023".[1]

Usage[edit]

During the Second Ark Conflict, the M99A2S3 Stanchion was used by Lance Corporal Sparks of Sunray 1-1, and had achieved at least 17 kills with it. Sparks also customized his weapon with tally marks for every kill, a Dazzle camo pattern, and two charms; a Scorpio charm and an ODST Talisman.[4]

Gallery[edit]

List of appearances[edit]

Sources[edit]