The grading system is based on key physical characteristics, not appearance. This Technical Note requires familiarity with Technical Note 41, Field Testing of M-16 Magazines. Slightly used but successfully inspected and tested in accordance with ArmaLite s Technical Note 41, Field Testing of M-16 Magazines. They may show signs of vertical scratching produced by insertion into the magazine well. They should fall free of the rifled when the magazine catch is pushed.
All floorplate tabs are present, and the magazine spring is undamaged.
Feed lips and guide rib are undamaged, the magazine shell is undented, no floorplate tabs are missing, and the magazine falls free of the rifle when the magazine catch is depressed. The magazine spring is undamaged. Cooper or Sanchez springs are not considered AL2 unless supplied with green followers. Quality problems with at least some lots of Cooper and Sanchez magazines require testing as discussed in grade AL1 before being graded to AL2. Cooper and Sanchez magazines require green followers.