How do get half life 2 beta weapons

you require to have the Half Life 2 Beta in order to use the weapons Available Here!
http://www.betaarchive.co.uk/forum/viewtopic.php?f=14&t=8761

Now you need to open the console while in game By pressing the Tilde or ~ key
now to get SOME of the weapons you must type Impulse 101
to get other ones not available through that weapon you must type
Give Weapon_Weaponname
Replace Weaponname with one of these
AR1
brickbat
Cguard
ML
extinguisher
flaregun
HMG1
hopwire
iceaxe
immolator
irifle
SMG1
SMG2
molotov
physgun
thumper
rollerwand
slam
sniperrifle
stickylauncher
stunstick
ar2


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