Shoulder mounted machine gun

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Gametitle-FNV LR
Gametitle-FNV LR

The shoulder mounted machine gun (SMMG) is a weapon in the Fallout: New Vegas add-on, Lonesome Road.


The shoulder mounted machine gun is similar to the minigun, but with a slower rate of fire and the bulk of the weapon resting on the user's shoulder like the missile launcher. Due to its high damage per shot and good rate of fire, it is the most effective 10mm weapon in the game if you don't need the lower Strength requirement and silence of Gun Runners' Arsenal's, Sleepytyme (or if you don't have the Gun Runners' Arsenal add-on.). However, it can be difficult to maintain, as only other SMMGs can repair it even with Jury Rigging, and it is extremely expensive to repair unless you have a ready supply of weapon repair kits. Alternatively if you found the 1st rank of ED-E's upgrades, repairing this gun isn't a problem.


The shoulder mounted machine gun can fire a total of about 3995 standard rounds, the equivalent of 67 reloads, or 54 reloads when modified with the extended magazine, from full condition before breaking. When modified with the mechanical upgrade, it can fire a total of about 4995 standard rounds, the equivalent of 84 reloads, or 67 reloads when modified with both the mechanical upgrade and the extended magazine.

Ammunition typeUnmodifiedW/ Extended magazineW/ Mechanical upgradeW/ both mods
Standard, HP & JHP3995673995544995 84499567



Weapon name (current weapon is highlighted)Icon gunDamage per attack (damage per projectile)Icon damageDamage per secondIcon dpsAttacks per secondIcon attackCritical Chance % multiplierIcon chanceCritical damageIcon critical damageAttacks in V.A.T.S.Icon sequenceAction Point costIcon actionDamage per action pointIcon dapWeapon spreadIcon spreadMagazine capacity (shots per reload)Assault carbine extended magazinesDurability (number of attacks before breaking)Icon repairWeightIcon weightValue in capsIcon merchantValue to weight ratioIcon ratioSkill requiredIcon abilityStrength requiredIcon fist
Shoulder mounted machine gun 30
Shoulder mounted machine gun With all weapon mods attachedIcon plus 30



  • When fully upgraded and repaired it's worth 37,745 caps, making it one of the game's most expensive weapons.
  • It does the most damage per bullet out of all 10mm chambered weapons in the game.

Behind the scenes

Seth McCaughey came up with the weapon concept and animations.[1]


  • xbox360Icon xbox360 Picking up one in lesser condition than the one in your inventory may replace the one you already had with the more damaged copy. An easy way to prevent losing the SMMG in better condition is to equip it before picking up the more damaged one. Keep it equipped until you give it to ED-E or use it for something else.




  1. JE Sawyer on Formspring

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