Mr.Bulletfeeder output spring and extension adaptor

Double-Alpha Academy

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Latest reviews

Jim ***
27 May 2023
Bullets slide down into the feeder die with no hang-ups. does the job perfectly.
Rating: (5 of 5 Stars!)
Hans ***
25 May 2023
Works great with diy feeder setup.
2 pcs coupler is a great improvement!
Can be cut to proper length.
Worth the money :)
Rating: (5 of 5 Stars!)
Jochen ***
14 Dec 2022
1A - Funktionell und Passgenau wie Online beschrieben
Rating: (5 of 5 Stars!)
Stuart ***
15 Oct 2021
Corrected an issue with my 30 plus year old Dillon RL1050. New case feeder didn't quite line up. Mr Bulletfeeder output spring...Problem Solved!
Rating: (5 of 5 Stars!)
Nick ***
23 Mar 2021
Honesty being the best policy; I purchased this thinking it was a large spring with the adapter only to discover it was not. I called DA and the gentleman that answered was extremely professional and informative. After a few moments on the phone I understood what I needed and place the order for...
Rating: (5 of 5 Stars!)
Michele ***
24 Mar 2020
Molla impiegabile ad un ampio posizionamento senza che venga meno il suo lavoro. Ottimo come tutti i prodotti da me acquistati da Double Alpha.
Rating: (5 of 5 Stars!)


Some Mr.BulletFeeder users have asked for the option to extend the output feed spring, to allow them to position the collator further away, or perhaps position one collator between two presses and use it to alternately feed each machine.

To meet this request we are pleased to offer the output springs and a screw-on adaptor cap which will allow you to attach to your current spring and extend it up to another 38cm.

 Two sizes are available. The Small (10mm inner diameter) matches the springs used with the rifle caliber machines and the large size (12mm inner diameter) as shipped with the pistol calibers.

 Note that some “do it yourself” supports for the spring will be needed to prevent it sagging under the weight of the bullets. You do need to keep the tube running downwards and prevent bullets from “pooling” in a sagging loop.

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