| ||關於an overview of grenade launcher models in all games，參見Grenade launchers。|
砰砰本身已经自带榴弹步枪的加长枪管，使得它有着很远的射程，爆炸半径也得到了提升。比起普通版，它重量更轻，发射更快，耐久度也要高一些。它的枪管上有着Thump-Thump(砰砰)字样的涂鸦，枪口上还画了一个向前的箭头；枪托上画着一只愤怒的红眼海狸，拿着一支步枪。Standard 40mm grenades fired from this weapon will have twice the velocity as ones fired from other grenade rifles.
它可以发射620发标准40mm榴弹 from full condition before breaking.
- Grenade rifle - the common variant in Fallout: New Vegas.
- Mercenary's grenade rifle
- Great Bear grenade rifle A unique variant added in Lonesome Road.
- Red Victory grenade rifle A unique variant also added in Lonesome Road.
奈利斯太阳能阵列 - 两台坏掉的发电机附近有一具枯骨，旁边就是这把榴弹枪。
If the Boomers are killed for Mr. House or Caesar's Legion before obtaining Nellis array building key by Raquel, Thump-Thump cannot be obtained. The building's door is unpickable and can only be opened with the key, which does not appear on her body if she dies.
- 砰砰的原型是現實的M79榴彈發射器， a US grenade launcher developed in the early sixties.
- The name Thump-Thump is a reference to "Thumper," one of the nicknames US Servicemen gave the M79 due to its distinctive report.
- On some occasions Thump-Thump will not inflict any damage to the target. If this happens you may also not cause any damage while using V.A.T.S.[已核实]
- Sometimes it removes the 1st person texture and turns invisible in 3rd person.[已核实]
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