Wear eye protection when pulling headed straight pin from barrel lock as helical spring will be projected from barrel support. Personnel could be blinded if hit in the eye by helical spring.
2. REMOVE BARREL LOCK PIN.
a. Remove cotter pin (3) from headed straight pin (4). Discard cotter pin.
b. Hold thumb over top of barrel lock pin (5) to prevent loss of helical spring (6) inside barrel lock pin. Pull headed straight pin (4) out and allow helical spring (6) to expand under thumb.
c. Remove barrel lock pin (5) and helical spring (6) from barrel support assembly (7).
Was this article helpful?