Use this weapon line after you installed the model and the sound.

	<weapon type="SHOTGUN">
		<data slot="SHOTGUN" firetype="INSTANT_HIT" damagetype="BULLET" group="SHOTGUN" targetrange="10.0" weaponrange="135" clipsize="6" ammomax="80" timebetweenshots="433">
			<damage base="28" networkplayermod="5.0" networkpedmod="1.0"/>
			<physics force="20.0"/>
			<reload time="2666" fasttime="1666" crouchtime="2666"/>

			<aiming accuracy="0.04" pellets="16">
				<offset x="0.16" y="1.0" z="0.44"/>
				<crouchedoffset x="0.16" y="1.0" z="0.0"/>
				<reticule standing="1.0" ducked="1.0" scale="0.0"/>
			</aiming>

			<pickup regentime="480000" ammoonstreet="16"/>

			<controller>
				<rumble duration="200" intensity="1.0"/>
			</controller>

			<flags>
				<flag>GUN</flag>
				<flag>CAN_AIM</flag>
				<flag>2HANDED</flag>
				<flag>ANIM_RELOAD</flag>
				<flag>CAN_FREE_AIM</flag>
				<flag>ANIM_CROUCH_FIRE</flag>
				<flag>HIGHER_BREAK_FORCE</flag>
			</flags>
		</data>

		<assets model="w_shotgun">
			<anim group="gun@shotgun">
				<rates firerate="1.3" blindfirerate="1.3"/>
			</anim>
			<effects>
				<muzzle fx="muz_shotgun"/>
				<shell fx="weap_ejected_shotgun"/>
			</effects>
		</assets>
	</weapon>
