Mr. Bulletfeeder by Double-Alpha Gen 1/2 Conversion Kit

Double-Alpha Academy

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Latest reviews

joshua ***
12 Dec 2021
Works awesome, best bullet feeder on the market. Works on every 30 cal bullet I’ve put through it.
Rating: (5 of 5 Stars!)
edward ***
8 Sep 2021
I like the units, they just didn't come with funnels for 223, .308, or 9mm (so using them is not possible with my Apex 10 or my Dillon RL1050)... the 45 acp had a funnel... I also run an Apex 10 which also presents a challenge with no funnels as mine is outfitted for 300 Blackout...
Rating: (4 of 5 Stars!)
Guillaume ***
14 Jul 2021
Super lot pour pouvoir recharge différents calibres et utiliser son bulletfeeder à chaque fois.
Rating: (5 of 5 Stars!)
Troy ***
21 Jun 2021
What a difference Mr Bullet makes in reloading. This machine streamlines my 1050 press. You will be glad you bought it and wonder why you took you so long to get it. Stop wasting time and buy it.
Rating: (5 of 5 Stars!)
Thomas ***
22 May 2021
Great product. Makes the process faster and easier.
Rating: (5 of 5 Stars!)
Nick ***
26 Mar 2021
The product, in of itself is a splendid piece of craftsmanship. I suspect it's all CNC machined and to the best finishes possible. I will add however that the completeness is not defined for us newbees. I took my original MRBF from 556 to 9mm. What I was unaware of and what frustrated me the most...
Rating: (5 of 5 Stars!)
Important Note
The Dillon XL750 Powder Measure is angled such that the powder bar must extend directly over station #4 in the toolhead, and it cannot be repositioned. This Is not an issue if you have a short die in that station. However, if you wish to run a powder check in station #3, and a bullet dropper in station #4, as many do, this creates a serious problem. As a solution to this issue we are pleased to offer our  Extra-Short Dillon Powder Bar. (sold separately)


NOTE: The Mr. BulletFeeder Rifle conversion kits now include both the Gen1 and Gen2 collator output tube, so you can use the one that fits your model.

Conversion kits are available allowing you to use your Mr. Bulletfeeder by Double-Alpha Gen 1/2 for more than just one caliber. Many reloaders have a second complete tool head for their 2nd caliber of choice, voiding the need to reset the dies.

To make the transition easy, the Mr. Bulletfeeder by Double-Alpha conversion kits includes a complete dropper assembly, a custom powder funnel (for pistol calibers) and a new collator plate for the caliber of choice. This will allow you to switch your bullet feeder from one caliber to the next in a matter of minutes.

The spring output tube securely attaches to the top of the dropper by means of the Spring Adaptor Cap, which attaches and disconnects easily from the top of the dropper. The inner threading grips the coils of the spring firmly, preventing any chance of it coming loose during operation, and allowes a quick transition from one dropper to the next.

Please note: All pistol calibers use the same output tube, lead spring and spring adaptor cap. So this assembly is not included in the conversion kit –as you will not need a second one when changing pistol calibers.

The rifle calibers too share the same output assembly, and so when converting from 223 to 308, the same output assembly is used.

However – if you intend to buy a conversion kit to convert a rifle unit to a pistol caliber, you must purchase the output assembly required, in addition to the conversion kit

The expanding powder funnel supplied is for the Dillon reloading machines only (no expansion powder funnel is included with the rifle calibers) not compatible with other brands. To use with the LnL press, you will need to purchase their expanding powder funnel separately.

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