Click here to make tpub.com your Home Page

Page Title: Semi-disconnect.
Back | Up | Next

Click here for thousands of PDF manuals

Google


Web
www.tpub.com

Home

   
Information Categories
.... Administration
Advancement
Aerographer
Automotive
Aviation
Construction
Diving
Draftsman
Engineering
Electronics
Food and Cooking
Logistics
Math
Medical
Music
Nuclear Fundamentals
Photography
Religion
   
   

 




img
MIL-R-63997B(AR)
the  selector  is  placed  in  the "SEMI-AUTOMATIC"  position,  it  shall
permit the disconnect to engage the hammer, so that the rifle is
capable  of  semi-automatic  firing  only  (single  shot  with  each  pull
When the selector is placed in the "BURST"
of  the  trigger.)
position, it shall permit the automatic sear to engage the hammer,
(One, two, or three
so  that  the  rifle  is  capable  of  burst  firing.
continuous  shots  the  first  time  the  trigger  is  pulled  and  held
Three continuous shots on the second and each successive
back.
One, two or three shots
time the trigger is pulled and held back.
if  the  trigger  is  released  before  completion  of  the  three  shot
cycle or all cartridges are expended before completion of the
three  shot  cycle.)
The bolt catch shall be retained on the
3.3.2.4  Bolt  catch.
lower receiver by the spring pin and held in the "down" position
The bolt catch shall move
by the bolt catch plunger and spring.
through its full range of travel without binding and when
positioned manually or by action of the magazine follower, it
shall remain engaged and hold the bolt in the open (rearward)
When the bolt catch is depressed the bolt shall return
position.
t o  b a t t e r y  p o s i t i o n .  When a fully loaded magazine is inserted
into the magazine well and the bolt catch is depressed, the bolt
shall  return  to  battery  position, stripping a cartridge from the
magazine,  a n d  c a m b e r i n g  i t .
3 . 3 . 2 . 5  Magazine Catch a n d  m a z a z i n e  r e l e a s e  b u t t o n :  T h e
magazine  catch,  under  spring  action,  shall  securely  retain  the
The magazine release button, when
magazine in the magazine well.
depressed, shall disengage the magazine catch from the magazine
When the bolt
and permit removal of engagement with the magazine.
is held open (rearward) by the bolt catch, and the magazine
release button is depressed, the empty magazine shall be ejected
under spring assist from the magazine follower being depressed by
The spring tension of the magazine catch shall be
the  boltcatch.
adjustable  by  depressing  the  magazine  release  button  and  rotating
the magazine catch clockwise to tighten; counterclockwise to
The magazine release button shall be assembled to the
loosen.
magazine catch shaft, such that the end of the shaft is within one
turn of being flush with the face of the magazine release button.
3.3.2.6
Disconnects.
The  semi-automatic  disconnect
3.3.2.6.1  Semi-disconnect.
When
shall pivot freely on the trigger pin under spring action.
the  selector  is  in  the  semi-automatic  position,  the  semi-
disconnect shall engage and restrain the hammer in the cocked
position  until  the  trigger  is  released.  When  the  trigger  is
released the disconnect shall allow the hammer to return to the
normal cocked position.
The  burst  disconnect  shall  pivot
3.3.2.6.2  Burst  disconnect.
freely  on  the  trigger  pin  under  spring  action.  When  the  selector
4

Privacy Statement - Press Release - Copyright Information. - Contact Us