-Doesn't use too many pieces
-Can have optional front grip
-Rather easy to use
-Handle might be uncomfortable for some people
-Can be hard to load at first (But becomes easier with some practice)
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Noteconcerning images : Image one shows the MSAU with optional additions. Image two shows the basic version.
Step 1: Main Body: Making the Components
Image 1: Make 1(Part A)
Image 2: Make 1(Part B)
Image 3: Make 3(Part C)
Image 4: Make 3(Part D)
Image 5: Make 2(Part E)
Image 6: Make 1(Part F)
Image 7: Make 1(Part G)
Image 8: Make 1(Part H)
Image 9: Make 2(Part I)
Image 10: Make 1(Part J)
Step 2: Main Body: Construction
Image 1: Attach blue and white rods to part A and a small gear.
Image 2: Add part B and more blue rods, a yellow rod, and a blue spacer.
Image 3: Add parts C, D, E, white and yellow rods, red and orange connectors, and gray spacers.
Image 4: Add parts C, D, F, G, and red and orange connectors.
Image 5: Add parts C, D, E, red and orange connectors, and blue and gray spacers.
Image 6: Cover with part H.
Image 7: Add parts I and J, an orange connector, 2 gray spacers, and a small gear.
Image 8: Add gray connector.
Image 9: Add 2 blue spacers and metallic blue clips.
Image 10: Add 2 gray connectors.
Image 11: Add metallic blue clip.
Step 3: Magazine/Handle: Making the Components
Image 1: Make 2(Part A)
Image 2: Make 2(Part B)
Image 3: Make 1(Part C)
Image 4: Make 1(Part D)
Step 4: Magazine/Handle: Construction
Image 1: Add white rods to part A.
Image 2: Add parts B.
Image 3: Cover with part A.
Image 4: Loaded.
Step 5: Optional
Step 6: Operation
Image 1: Magazine with ammo.
Image 2: Rubber band hooked on barrel.
Image 3: Loaded, view of midsection.
Image 4: Safety engaged, magazine out.
Image 5: Safety engaged, magazine in.
Warning- This may cause harm or injury if misused. Do not point it at people. I am not responsible for damage, injury, or death caused by this instructable. Even with safety engaged it can fire. Always treated it as armed.