EVALUATION OF PRETREATMENT PROCESSES AND LONG-TERM STORAGE ON MAGAZINE SPRING FOR THE M14, 7.62MM, RIFLE
SPRINGFIELD ARMORY MA
Pagination or Media Count:
A study was made to evaluate the effects of various pretreatment processes and long-term storage on the magazine spring for the M14, 7.62mm, rifle. The various pretreatment processes considered in the study were 1 stress-relieving only, 2 stress-relieving and cold-set, 3 stress-relieving and heat-set, and 4 heat-set only. The storage tests involved periods from 1 to 5 years and consisted of hot, cold, and normal temperature conditions. Test procedures are described and results discussed.