Something new is on the way!

Rollsizer Caliber Case Containment Spring


Add to Cart:

  • Description
  • Details
  • Reviews
The upgraded case containment spring is a replacement with a longer tab on the end to hold the cases after they are pushed out from under the drop tube. The cases are held more securely and are recommended upgrades for earlier rifle conversion kits.

Tempered spring, refer to the Support pages for fitting and adjustment. Recommended for all rifle conversions supplied prior to June 2018. Standard fitment on all orders June 2018 onwards.
  • -1 Units in Stock
  • Manufactured by: Rollsizer

Be the first to write a review.  Write a Review.



Is $2100 a lot of money to you? It is to us. That is how much you save with the ImmortoBot system over the competitors offering.

MinBot Rev 2 finally available