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Drop in Auto Sear

Full Auto Sear for Ar15

The Drop in Auto Sear is a full auto sear for the Low Shelf AR15. It costs $160, down from $180. It's in stock and ships in 2–3 days. Store orders ship free by standard ground. Need it faster? Contact us and we'll arrange expedited shipping.

Last updated

Ships to you

$160was $180

Ships in 2–3 days

Fits
Low Shelf AR15
Lead time
Ships in 2–3 days
Shipping
Store orders ship free by standard ground. Need it faster? Contact us and we'll arrange expedited shipping.
Returns
Need to return a stock part? Contact us before sending it back so we can help. Shipping & returns

What is the Drop in Auto Sear?

Drop in Auto Sear, for the Low Shelf AR15, from $160. Ships in 2–3 days.

The Drop in Auto Sear operates by engaging the hammer and trigger mechanism, allowing for automatic fire. When the trigger is pulled, the sear releases the hammer multiple times in quick succession, leading to a higher rate of fire. This mechanism is designed with safety features to prevent accidental discharges, ensuring reliable operation while maintaining control.

Part no.
6542321

Will it work for you?

What the Drop in Auto Sear fits
PistolNotes
Low Shelf AR15As listed

Best for

  • Low Shelf AR15 owners

Not ideal for

  • Pistols not listed in the fitment table
Lead time
2–3 days
Shipping
Free ground shipping
Returns
Contact us first
Warranty
1 year

Questions about the Drop in Auto Sear

What does the Drop in Auto Sear fit?

The Low Shelf AR15. Check your pistol's model and generation against the fitment table on this page before you order. Not sure? Call (720) 549-3265 or email sales@buttonlandcustoms.com with your model and generation, and we'll confirm the fit before you order.

How much does the Drop in Auto Sear cost?

It costs $160, down from $180. Store orders ship free by standard ground. Need it faster? Contact us and we'll arrange expedited shipping. You see the full total, with shipping and any tax, before you place the order. Need to return a stock part? Contact us before sending it back so we can help.

How soon does the Drop in Auto Sear ship?

It's in stock and ships in 2–3 days. Store orders ship free by standard ground. Need it faster? Contact us and we'll arrange expedited shipping. The lead times page shows how long work is actually taking in the shop right now.

Can I return the Drop in Auto Sear?

Need to return a stock part? Contact us before sending it back so we can help. Everything we make has a 1-year warranty from delivery, for repair or replacement. Our shipping and returns page has the full policy. Store orders ship free by standard ground. Need it faster? Contact us and we'll arrange expedited shipping.

Do I need an FFL to buy the Drop in Auto Sear?

No. It isn't a serialized part, so it ships straight to you in most states. Check that it's legal where you live before you order. Store orders ship free by standard ground. Need it faster? Contact us and we'll arrange expedited shipping.

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