This is the complete M-16 auto sear assembly, ready for installation into your legally owned full auto M-16 machine gun. All NFA Rules Apply for any purchase of full auto components.

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SKU N8448595

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 American Owned and Operated

20+ Years In Business


The M-16 Auto Sear Assembly is one of the parts necessary for an M-16 to safely fire in full auto.


  • Complete M-16 Auto Sear Assembly
  • Part Number: 8448595
  • Military Contract Production

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United Defense LLC
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United Defense Products

Customer Reviews

perfect training aid.
Review by danger 2-1
Verified Buyer
I have used these sets before and will buy more in the future. I teach an armorers course and had a few clear acrylic receivers made. I use these internal parts to show how the military version works compared to the average AR15. they make awesome informational training aids.
M-16 Auto Sear Assembly
Review by BOB
Verified Buyer
This is the same Sear as any Military Auto weapon. However. you will also need the 1/8 inch "Sear Pin" (same length as hammer or trigger pin.)

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