Pally's can't use guns / bows or crossbows, but they can use linkens boomerang.
Linken's Boomerang
Binds when picked up
Trinket
Use: Flings a magical boomerang towards target enemy dealing 113 to 187 damage and has a chance to stun or disarm them.
Cooldown: 3 min
0.5 sec cast
click below for more info on linkens boomerang :
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(!empty($user->lang['CODE'])) ? $user->lang['CODE'] : ucwords(strtolower(str_replace('_', ' ', 'CODE'))):
http://www.thottbot.com/?i=4832
linken boomerang can be obtained from the linken line quest series, it is a total of 13 quests that rewards a boomerang and a 1 handed sword.
the boomerang gives a paladin range attack, but has a 3 min cooldown. Basicly gives the paladin the ability to pull mobs.
The quest series starts in un goro crater and you have to be level 47 to be able to do the quests.
click below for more info :
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(!empty($user->lang['CODE'])) ? $user->lang['CODE'] : ucwords(strtolower(str_replace('_', ' ', 'CODE'))):
http://www.thottbot.com/index.cgi?q=1643
have fun, most of the series is just loads of traveling, only 2 parts are fairly difficult, but worth it.