,,ii  #aaith ,,congress  #ast ,session  
,s4 #acgd  ,,in ,,the ,,senate ,,of     
,,the ,,united ,,states  ,april #i1     
#bjbe,mr4 ,heinrich 7for himself1 ,ms4  
,collins1 ,ms4 ,cortez ,masto1 ,ms4     
,rosen1 ,mr4 ,fetterman1 ,mr4 ,coons1   
,ms4 ,klobuchar1 ,mr4 ,kaine1 ,mr4      
,reed1 ,mr4 ,whitehouse1 ,mr4           
,blumenthal1 ,mr4 ,durbin1 ,mrs4        
,shaheen1 ,mr4 ,padilla1 ,ms4 ,smith1   
,mr4 ,king1 ,mr4 ,kelly1 ,mr4 ,bennet1  
,ms4 ,duckworth1 ,mr4 ,markey1 ,mr4 ,van
 ,hollen1 ,mr4 ,sanders1 ,mrs4 ,murray1 
,mr4 ,wyden1 ,mr4 ,booker1 ,ms4 ,hirono1
 ,mr4 ,welch1 and ,mr4 ,schiff7         
introduced the following bill2 which was
 read twice and referred to the         
,committee on the ,judiciary  ,a ,,bill 
,to amend title #ah1 ,united ,states    
,code1 to prohibit machinegun conversion
 devices and illegal modifications of   
semiautomatic firearms1 and for other   
purposes4  #a4 ,short title ,this ,act  
may be cited as the ,banning ,unlawful  
,machinegun ,parts ,act or the ,,bump   

,act4  #b4 ,prohibition  7a7 ,in general
 ,chapter #dd of title #ah1 ,united     
,states ,code1 is amended-- 7#a7 in     
section #iba7;a71 by inserting after    
paragraph 7#cj7 the following3  7#ca7   
,the term semiautomatic firearm means   
any firearm that-- 7,a7 upon initiating 
the firing sequence1 fires the first    
chambered cartridge and uses a portion  
of the energy of the firing cartridge   
to-- 7i7 extract the expended cartridge 
case2  7ii7 chamber the next round2 and 
7iii7 prepare the firing mechanism to   
fire again2  7,b7 requires a separate   
pull1 release1 push1 or initiation of   
the trigger to fire each cartridge2 and 
7,c7 is not a machinegun4  2  7#b7 in   
section #ibb1 by inserting after        
subsection 7u7 the following3  7v7 7#a7 
,except as provided in paragraphs 7#c7  
and 7#d71 on and after the date that is 
#abj days after the date of enactment of
 this subsection1 it shall be unlawful  
for any person to import1 sell1         
manufacture1 transfer1 receive1 or      

possess1 in or affecting interstate or  
foreign commerce-- 7,a7 any manual1     
power-driven1 or electronic device      
primarily designed1 or redesigned1 so   
that when the device is attached to a   
semiautomatic firearm the device-- 7i7  
materially increases the rate of fire of
 the firearm2 or  7ii7 approximates the 
action or rate of fire of a machinegun2 
7,b7 any device1 part1 or combination of
 parts1 that is designed or functions to
 materially increase the rate of fire of
 a firearm1 by eliminating the need for 
the operator of the firearm to make a   
separate movement for each individual   
function of the trigger2 or  7,c7 a     
semiautomatic firearm that has been     
modified in any way that-- 7i7          
materially increases the rate of fire of
 the firearm2 or  7ii7 approximates the 
action or rate of fire of a machinegun4 
7#b7 ,except as provided in paragraph   
7#c71 not later than #abj days after the
 date of enactment of this subsection1  
any person who lawfully owns or         

possesses a semiautomatic firearm that  
was modified as described in paragraph  
7#a77;,c7 before such date of enactment 
shall register the semiautomatic firearm
 in accordance with section #ehda of the
 ,internal ,revenue ,code of #aihf4     
7#c7 ,this subsection does not apply    
with respect to the importation for1    
manufacture for1 sale to1 transfer to1  
or possession by or under the authority 
of1 the ,united ,states or any          
department or agency thereof or a ,state
 or ,tribe1 or a department1 agency1 or 
political subdivision thereof4  7#d7    
,paragraph 7#a7 shall not apply to any  
lawful transfer or possession of a      
semiautomatic firearm described in      
paragraph 7#a77;,c7 that-- 7,a7 was     
lawfully modified and possessed before  
the date of enactment of this           
subsection2 and  7,b7 is registered in  
accordance with paragraph 7#b74  2 and  
7#c7 in section #ibd7;a77#b71 by        
striking 1 or 7o7 and inserting 7o71 or 
7v74  7b7 ,amendment to the ,national   

,firearms ,act ,section #ehde7;a7 of the
 ,internal ,revenue ,code of #aihf is   
amended by striking and 7#h7 a          
destructive device and inserting 7#h7 a 
destructive device2 and 7#i7 a          
semiautomatic firearm1 as defined in    
section #iba of title #ah1 ,united      
,states ,code1 that is modified as      
described in section #ibb7v77#a77;,c7 of
 such title4