4 . 5 . 7 . 4 All rifles shall be assembled with the selector shaft
l o c k for targeting and accuracy testings. D u r i n g targeting and accuracy
f i r i n g , the occurrence of a malfunction or unserviceable part shall be
c a u s e for rejection of the rifle in accordance with the functioning re-
q u i r e m e n t s of 188.8.131.52.
4 . 5 . 7 . 5 Ten percent of the targets from each month's production
shall be forwarded to Commanding General, U.S. Army Weapons Commands
A t t n : AMSWE-QA, Rock Island, Illinois 61201. The targets shall be
i d e n t i f i e d with the rifle serial number, the range, the ammunition
l o t number, the specific test plan used, the acceptance criteria and
i n d i v i d u a l FM.
4 . 5 . 7 . 6 Cleaning, preservation, and storage of process qualification
( a ) After firing rifles to develop necessary accuracy data,
t h e rifles shall be treated in the following manner:
(1) The bore and chamber shall be cleaned and preserved
u s i n g applicable cleaning rods, bore cleaner and preservative oil. All
o t h e r external surfaces, as necessary, shall be lightly oiled.
( 2 ) The trigger of each rifle shall be tested to assure
the hammer is not cocked.
( 3 ) The trigger guard attached to t h e housing shall be un-
c l a m p e d but not removed from the rifle.
(4) Each rifle shall be placed in a volatile corrosion
i n h i b i t o r bag (VCI) and then placed in its own i n d i v i d u a l cardboard
( b ) The rifles shall then be stored in a secured area that
has a cool dry environment. E a c h individual container shall be marked
with the rifle serial number and "PROCESS QUALIFICATION RIFLE" and the
g r o u p of rifles identified in such a manner to assure that they are not
released of lost inadvertently.
4.5.8 Interchange of parts test.
184.108.40.206 In plant.
4 . 5 . 8 . 1 . 1 R i f l e s . R i f l e s shall be tested for interchange of parts
( s e e 3.3.25) by dissembling and then reassembling parts using the parts
and pre-arraanged system specified below. I n t e r c h a n g e of parts shall be
a c c o m p l i s h e d by dividing the parts of each rifle into 10 groups of non-
m a t i n g parts as shown below and distributing the groups into 10 different
t r a y s until each tray contains parts for a complete rifle. Groups of
p a r t s from the first rifle shall be taken in order and placed in trays
1 through 10; groups of parts from the second rifle shall be taken in