Bore rider reamer?

[willbas]

I got a FTR bore rider reamer any pros or cons?

 

[willbas]

this is the one I got http://www.bullets.com/products/308-Win-FTR-Bore-Rider-Finish-Reamer/T27663

 

[MGYSGT]

You got the rotating pilot. That's a good thing.

 

[hoz53]

I got a FTR bore rider reamer any pros or cons?

What is different about it and a regular reamer?

 

[JasonT]

The throat configuration is different, I think it's more gentle, but that's just what I've heard.

If anybody can explain, I'd be very interested too!

 

[J Fogg]

I used one on a 6 comp match, it shot very well, a slight improvement in velocity, the initial engagement angle for the bullet is half of the typical 1.5 degree angle. Personally I found it did fine in all respects but not better in any respects than a standard 1.5 reamer. The problem for me was when the barrel got to 1,000 rounds the throat advanced .050, at 1700 rounds the barrel is being replaced. That shallow angle didn't have enough metal in it, the shallow angle throat turned into freebore. I also run a Kreiger same loads with a standard 1.5 throat and it is fine at 2300 rounds

 

[hoz53]

I used one on a 6 comp match, it shot very well, a slight improvement in velocity, the initial engagement angle for the bullet is half of the typical 1.5 degree angle. Personally I found it did fine in all respects but not better in any respects than a standard 1.5 reamer. The problem for me was when the barrel got to 1,000 rounds the throat advanced .050, at 1700 rounds the barrel is being replaced. That shallow angle didn't have enough metal in it, the shallow angle throat turned into freebore. I also run a Kreiger same loads with a standard 1.5 throat and it is fine at 2300 rounds

Thanks Fogg-- good info

 

[Northridge]

Will bas, I have experimented with that specific reamer and throat and the results have been fantastic in practice and competition. Like anything though it's never a win win situation. I've experimented with several variations of the bore rider throat in 1000 yd benchrest and all showed similar traits. In comparing the bore rider to a 1 degree 30 minute throat though I would give the slight edge to the bore rider in regard to the smallest potential grouping on paper. You just can not approach tuning a bore rider throat like you do a 1 degree 30 minute as they are different and tune differently. If your looking for more velocity the bore rider will likely get you there but I find the bullets still like the same velocity windows regardless of throat used. Bore rider tends to be more gentle on cases for the same velocity. Now the negative is throat erosion where I usually see .002ths throat erosion per 100 rounds in competition, I will see .003this to .004this with the bore rider. It is my finding that a bore rider will hold sub 1/4 minute tune longer than a1 degree 30 minute. What I mean by that is it will come in to tune and hold tune slightly longer before coming out of tune thus being slightly more forgiving. Hope this helps.


Shawn Williams

 

[DT]

Will bas, I have experimented with that specific reamer and throat and the results have been fantastic in practice and competition. Like anything though it's never a win win situation. I've experimented with several variations of the bore rider throat in 1000 yd benchrest and all showed similar traits. In comparing the bore rider to a 1 degree 30 minute throat though I would give the slight edge to the bore rider in regard to the smallest potential grouping on paper. You just can not approach tuning a bore rider throat like you do a 1 degree 30 minute as they are different and tune differently. If your looking for more velocity the bore rider will likely get you there but I find the bullets still like the same velocity windows regardless of throat used. Bore rider tends to be more gentle on cases for the same velocity. Now the negative is throat erosion where I usually see .002ths throat erosion per 100 rounds in competition, I will see .003this to .004this with the bore rider. It is my finding that a bore rider will hold sub 1/4 minute tune longer than a1 degree 30 minute. What I mean by that is it will come in to tune and hold tune slightly longer before coming out of tune thus being slightly more forgiving. Hope this helps.


Shawn Williams

I agree completely with Shawn's take on the bore rider, particularly on the throat erosion. Will be setting a bore rider chamber back to freshen it because of the erosion in the throat angle.

 

[J Fogg]

As a sling shooter my take is a little different, my hope for this barrel was 3000 rounds at 1/2 minute accuracy. I didn't like the idea of chasing the lands till the bullet was no longer in the case. Using H1000 powder with the intent to slow down this erosion and having that work fine on a standard throat I'm disappointed by the bore rider throat, to do a mid season rebarrel I'm not happy. Barrel shot fine for some rounds just not for the long haul.