Magnetic Delay Recoil System AR-9mm (blowback)


Only 2 left in stock

(2 customer reviews)
  • Momentarily delays movement of the 9mm bolt
  • Provides for less felt recoil, less sight bounce
  • Second stage cushion at the end of the recoil stroke
  • Works in any carbine buffer tube
  • Short stroked system*
  • Works with any ‘hollow’ pistol caliber bolt**
  • Self contained system, no need for traditional detent pin
  • Now adjustable for Initial delay and total force
  • Comes with aluminum buffer

Only 2 left in stock


The TACCOM Delayed blowback recoil system is unlike any other recoil system on the market today. We use Rare Earth Neodymium Magnets to retard the movement of the bolt for a split second, this allows for the pressure in the chamber to drop some before sending the bolt back in the recoil stroke. This allows for the use of a lighter system, yet moving at the same speed as a heavier system…..allowing for less felt recoil and with that, less vertical dot (sight) movement. What this means is that you will have a faster return to target for faster follow up shots.

A fully adjustable system, allows for magnets to be removed to adjust initial delay force and we’ve included preload rings to adjust recoil spring tension and the recoil spring is designed to have up to 10 coils removed to reduce overall load for sub minor steel challenge loads.

We’ve cycle tested our system for well over 10,000 cycles with zero loss of the magnetic field, assuring you a long service life with our bullet proof recoil system. And, the Delayed Blow back Recoil system is serviceable as well for cleaning.

While we primarily developed this for the 9mm x 19mm round, we’ve also used this system with 40S&W and the 45ACP with factory ammo and it preformed spectacular!

*Short stroke system will not allow for the automatic use of the Bolt Hold Open feature

**On JP Enterprise Bolts, the front keeper and screw will need to be removed and the use of a detent pin is recommended.

2 reviews for Magnetic Delay Recoil System AR-9mm (blowback)

  1. David (verified owner)

    My AR9 is a stock FM Products upper and lower. 16″bbl rifle. I put the magnetically delayed blowback system in, after removing the weight in the stock FM bolt. Everything ran fine and the difference in recoil is nothing short of amazing! The dot really doesn’t move very much at all now. Very definitely a great addition to a carbine. Will be putting a second one in the ar9 pistol I’m putting together. Only drawback for me is I pretty much have to pull the bolt out to run a bird snake thru the gun now.

  2. kable360 (verified owner)

    I replaced my adjustable recoils system with the delayed blowback system and I can not be happier. I’ve played around a bunch with loads and found that perfect balance between felt could and rise. But if you’re shooting factory ammo I will suggest either all magnets and full spring I found that combination great for factory ammo. The new aluminum system my friend has is amazing as well.

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