Original Roll Crimping Tool: 16ga

Original Roll Crimping Tool: 16ga
Item Number: ROLL16
 Review Average:  
 Number of Reviews: 2
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Detailed Description

BPI's Original Roll Crimping Tool

A BP Original. Crimp depths often vary from load to load, even to a point where it is difficult to produce a proper fold crimp. This makes roll crimps ideal for shell lengths of almost any size. A compromised crimp can severely disrupt the entire combustion process, thus diminishing performance or even causing a blooper.

Performance: Shotshell load performance can vary shell to shell because components such as slugs, buckshot, and full-length field wads, by their nature, are not flexible platforms. Roll crimps adjust to the load (instead of the load adjusting to the crimp) and the ballistic results demonstrate more consistent & sustained combustion. Ultimately, a more consistent propellant burn yields more consistent performance.

Note: Beware of cheap knock-off roll crimpers that will produce insufficient crimp quality, erratic loads, and bloopers. We've been machining our specialty roll crimpers for over 35 years. Many specialy ammunition manufacturers rely on BP quality roll crimpers for their high-performance loads. So don't waste your hard-earned money on a cheap copy. Go with BPI's original Roll Crimper and save yourself frustration and wasted loads.

BPI Hull Vise and Roll Crimpers; a perfect match. Click on any of the links below to go to that product page.

Roll crimpers can be used with a hand drill or a drill press.

The Easy Art of Roll Crimping:

  1. Start with any uncrimped paper or plastic hull. New, uncrimped hulls are available in almost every type and length. Once-fired hulls can be cut down 1/4" and then roll crimped. For example, a 3" hull can be cut down to 2-3/4" in length and then roll crimped. Our Trim Doctor tool was designed for this procedure.
  2. Prior to crimping, load the shell as you would any other shotshell load. We recommend using a Wooden Reloading Block during this process to keep loads organized and avoid spillage.
  3. After dropping the shot and before crimping, place either an Overshot Card or Clear Overshot Disk on top of the pellets.
  4. Secure the hull. Though it does not take much force to hold the shell, this procedure is made easy with the use of a Hull Vise.
  5. Place the roll crimper on top of the hull. Our roll crimpers are designed to best work in a clockwise rotation. Start spinning the drill and apply very light pressure. When the edge becomes pliable through a combination of heat and pressure, roll the lip down until it makes contact with the overshot card wad.
    Curing: Your roll crimper will begin to cure as you use it more and more. Roll crimping will become faster and easier as your tool gains experience.
  6. Check progress as you go along.

Cartridge manufacturer's tip: Many cartridge manufacturing companies use our roll crimper and some of these clients have told us that they like to put just a single drop of household oil (e.g., 3-in-1 Oil) on the surface of the roll crimper for every few hundred rounds.

 Product ReviewsClick here to review this item
Does a good job 2/15/2023
I have a 1915 Model 12 16 gauge shotgun that is chambered for 2 1/2 shells that I could locate nowhere and my Lee loadall refused to crimp. This crimper does the job wonderfully. It took a little practice to get a nice looking crimp as I botched several before I got it right. But now I am turning out a nicely rolled 2 1/2 in. shell. I recommend this crimper.
- Richard Rambo, OR
Works very well! 5/8/2014
Before purchasing this 16 gauge roll crimper, I read a lot of reviews online that said the BPI product did not produce a good quality/tight roll crimp and that it was difficult to get used to. I took a chance on this product anyway as I was purchasing other items from BPI and wanted to save on shipping. Boy am I glad I went with this roll crimper because it was unbelievably easy to use and produced nearly perfect looking crimps on my new hulls. I also used it on some hulls that had previously been star crimped and while they didnt look as nice as the new hulls, the crimp was tight and chambered in my gun with no problems whatsoever. It was so easy to get used to that by the second shell my crimps looked perfect. I used this in a Harbor Freight bench top drill press.
- Nathan H, IN

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