DISASSEMBLY & REASSEMBLY GUIDE Colt AR 15 & All Variants
For your Colt, Bushmaster, Olympic Arms, Armalite, Rock River, DPMS, Stag Arms, DPMS, and countless other manufacturers...
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FEATURES:
• The only current printed manual that includes information on ALL models.
• Easy to use -- Comb binding lies open and flat on your work surface.
• 16 pages & 20+ high-resolution grayscale images.
• Cardstock cover. Bright white paper.
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Introduction:
Brief history M16 AR-15
Safety First
Exploded Parts Diagrams
(4 pages)
Disassembly
- Clearing Rifle
- Upper & Lower Receivers
- Bolt Assembly
- Charge Handle
- Firing Pin Retainer
- Bolt Cam Pin
- Extractor
- Ejector
- Bot Carrier Key
- Buffer & Action Spring
- Handguards
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Disassembly (cont.)
- Hammer
- Disconnector
- Trigger
- Bolt Catch
- Magazine Catch
- Buttstock
- Pistol Grip
- Trigger Guard
Reassembly Tips
- Action Spring & Buffer
- Cam Pin
- Bolt Carrier Key
- Extractor / Ejector
- Charge Handle
- Bolt Group
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Excerpt from this Guide:
1959: Colt aquires manufacturing and marketing rights to AR15.
1962: Colt gets US Department of Defense orders 85,000 M16’s
for Vietnam and 19,000 for the Air Force.
Mid 60’s: The M16A1 was updated with a new buffer to reduce the
rate of fire, chrome plated chamber and barrel, closed prong flash hider, foward bolt assist, new buttstock with cleaning kit, and a 30 shot magazine. Rifles were also produced by GM and Harington & Richardson during the Vietnam war as well as outside the USA.
1978: M16A2 was produced using an increase barrel diameter,
rifling was changed from 1:12 to 1:7 to accommodate a new
62 gr. bullet, modified rear sight, case deflector, new round
handguard, and full-auto was replaced with three round burst.
1994: M4 was adopted based on a demand for a shorter lightweight
weapon. The M4 has a 14.5” barrel and a four position
telescoping stock. Collapsed length is under 30 inches and
weighs just over 5 1/2 pounds. Effective range is 600 yards.
Available in 3 shot burst or full-auto. M4’s are also equipped
with a Picatinny -Weaver Rail System to replace the carry
handle
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