1. M16-A2 fired with
obstructed bore
5 May 01

2. View from rear of M16, notice missing parts of upper receiver, extensive damage to chamber area, bulged lower receiver, magazine with internal components blown out the bottom

3. upper receiver missing
rounds expelled
through magazine
magazine spring

4. View of Bolt group missing part of
the right side of the bolt carrier
crushed rounds

5. View of Bolt group showing damage
to Bolt Carrier as well as the Bolt

6. Inside view of right half of upper receiver; found 2-3 feet from firing position

7. View of left half of upper receiver found 25 – 35 yards
behind and to the left of the firing position

8. View of Bolt Carrier group

9. View of Bolt Carrier group and
damage to bolt

10. Close-up of Bolt showing remains of case head lodged in Bolt face
Gas rings blown out
Extractor peeled back and out
Path of gas through primer well and
extractor slot