Browning Hi-Power (FN M1935)
Original model by Silvio Dante, convert to GTAIV by cjisntgay

Install the model:

open sparkIV or openIV, browse to your GTAIV main folder/pc/models/cdimages/weapons.img, import w_glock.wdr and w_glock.wtd then save!

the weaponinfo.xml is in your GTAIV main folder/common/data

THE information you have to replace in weaponinfo.xml, you'll find these words in your weaponinfo.xml
-------------------------------------------------
<weapon type="PISTOL">
		<data slot="HANDGUN" firetype="INSTANT_HIT" damagetype="BULLET" group="PISTOL_SMALL" targetrange="45.0" weaponrange="50.0" clipsize="17" ammomax="1500" timebetweenshots="333">
			<damage base="25" networkplayermod="3.0" networkpedmod="1.0"/>
			<physics force="50.0"/>
			<reload time="2000" fasttime="2000" crouchtime="2000"/>

			<aiming accuracy="0.5">
				<offset         x="0.15" y="1.0" z="0.55"/>
				<crouchedoffset x="0.2"  y="1.0" z="0.05"/>
				<reticule standing="0.65" ducked="0.55" scale="0.3"/>
			</aiming>

			<pickup regentime="120000" ammoonstreet="30"/>

			<controller>
				<rumble duration="110" intensity="0.02"/>
			</controller>

			<flags>
				<flag>GUN</flag>
				<flag>CAN_AIM</flag>
				<flag>CAN_FREE_AIM</flag>
				<flag>ANIM_RELOAD</flag>
				<flag>ANIM_CROUCH_FIRE</flag>
			</flags>
		</data>

		<assets model="w_glock">
			<anim group="gun@handgun" meleegroup1="firearm_core"/>

			<effects>
				<muzzle fx="muz_pistol_small"/>
				<shell fx="weap_ejected_pistol"/>
			</effects>
		</assets>
	</weapon>


==========================================================
then copy and change to these words

<weapon type="PISTOL">
		<data slot="HANDGUN" firetype="INSTANT_HIT" damagetype="BULLET" group="PISTOL_SMALL" targetrange="20.0" weaponrange="510.0" clipsize="13" ammomax="4500" timebetweenshots="333">
			<damage base="40" networkplayermod="3.0" networkpedmod="1.0"/>
			<physics force="120.0"/>
			<reload time="2000" fasttime="2000" crouchtime="2000"/>

			<aiming accuracy="0.5">
				<offset x="0.15" y="1.0" z="0.55"/>
				<crouchedoffset x="0.2" y="1.0" z="0.05"/>
				<reticule standing="0.65" ducked="0.55" scale="0.3"/>
			</aiming>

			<pickup regentime="120000" ammoonstreet="30"/>

			<controller>
				<rumble duration="110" intensity="0.02"/>
			</controller>

			<flags>
				<flag>GUN</flag>
				<flag>CAN_AIM</flag>
				<flag>ANIM_RELOAD</flag>
				<flag>CAN_FREE_AIM</flag>
				<flag>ANIM_CROUCH_FIRE</flag>
			</flags>
		</data>

		<assets model="w_glock">
			<anim group="gun@handgun" meleegroup1="firearm_core"/>
			<effects>
				<muzzle fx="muz_pistol_small"/>
				<shell fx="weap_ejected_pistol"/>
			</effects>
		</assets>
	</weapon>