1.) Open Editor
2.) Place blufor rifleman as player
3.) Preview
4.) Equip pistol
5.) crouch
6.) open inventory
7.) drop pistol with right-click (you'll see the pistol-fingers already)
8.) close inventory
9.) try to walk away (won't work)
10a.) try to lie down; the char will shortly do so, but then stand up to switch to primary weapon
10b.) Stand up and the character will switch to primary weapon directly