Law requiring all guns with enough metal to be detected during screening to ban . `` The House bill is better than nothing , but it 's not good enough , '' House must act by next week to pass law , but wrangling continues . White House and Senate want tougher law than House - approved bill . Concern growing about plastic guns going through 3-D process .
Law requiring all guns with enough metal to be detected during screening to ban . House must act by next week to pass law , but wrangling continues . White House and Senate want tougher law than House - approved bill . Concern growing about plastic guns going through 3-D process .