We have had a similar discussion about .243 but what are your thoughts on this.

There isn't much difference between .257 Roberts and a .243. I have always used 117 grain bullets in the Roberts and 100 grainers in .243. D4570 pointed out that lighter bullets, like 90 grain, were better in a .243. I'm wondering if 100's or maybe even 90 grains would be better in the Roberts?

I'm going to also post this question in Handloaders bench.

I have always considered myself to be quite the bullshitter, But ocasionally it is nice to sit back and listen to a true professional......So, Carry on.

My Boy has one but seldom uses it, I don't know why. So I'm no help on this one.

Remember: Four boxes keep us free ,the soap box, the ballot box, the jury box, AND the cartridge box

I'd try the New Hornady

25 Cal .257 128 gr ELD‑X

it has a BC of .63 so it will give you some great long range action. and it is a heavy bullet for some extra energy and penetration.

the 257 book max are light, you can go P+ with it in modern guns in good condition.

“ The IQ and the life expectancy of the average American recently passed each other in opposite directions.”

I should thing it would but the proof is in the firing.

If you buy box and use half and they don't work, I'll buy the other half and try it in my 257.

“ The IQ and the life expectancy of the average American recently passed each other in opposite directions.”

I like heavier bullets....in pretty much every caliber, except .30 and bigger.

In .243, I like 100 grains. My pawn-shop .243 Savage shoots a 100 grainer group that you can cover w/a penny. For the record, that is plenty accurate. It works well on does and antelope. I've never used it on Bucks. I've used it on a bull....that did not go well. I shot it 3x, and found 1 bullet in the elk. My 1st shot was high...it hit one lung and then the spine and promptly disappeared. I THINK, that the spine was cracked as he didn't run for the next county. He went 100 yards and laid down and waited. If he woulda received a bullet through the spine....it woulda saved a bunch of work as he eventually ran into a deep ravine.

I've heard people say that their .257 worked good on elk and it was always w/the heavier bullets.

W/the 6.5 Swede....the Swedes use it on Moose (I think that is the Beastie) and always w/the long heavy bullet.

The 6mm Remington didn't catch on....why? 85 grainers didn't work, or weren't perceived as being able to work on deer.

My point....use 117s or 120s

John 14:6

I didn't know the 6mm was that much faster than the .243.

I've always used pretty much the heaviest bullet in whatever caliber I'm loading for but just wondering how an 80 or 85 grain bullet would perform in the Roberts.

Are copper bullets better than jacketed lead bullets?

Edited by Wing master - 26 November 2025 at 16:39

I have always considered myself to be quite the bullshitter, But ocasionally it is nice to sit back and listen to a true professional......So, Carry on.

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Wing master Members Profile Send Private Message Find Members Posts Add to Buddy List Administrator AKA StraightShooter Joined: 10 June 2003 Location: United States Status: Offline Points: 8029	Post Options Post Reply Quote Wing master Report Post Thanks(0) Quote Reply Topic: .257 Roberts Posted: 04 November 2025 at 20:42
	We have had a similar discussion about .243 but what are your thoughts on this. There isn't much difference between .257 Roberts and a .243. I have always used 117 grain bullets in the Roberts and 100 grainers in .243. D4570 pointed out that lighter bullets, like 90 grain, were better in a .243. I'm wondering if 100's or maybe even 90 grains would be better in the Roberts? I'm going to also post this question in Handloaders bench.
	I have always considered myself to be quite the bullshitter, But ocasionally it is nice to sit back and listen to a true professional......So, Carry on.

BEAR Members Profile Send Private Message Find Members Posts Add to Buddy List Administrator Joined: 07 September 2013 Location: Appalachian Mtn Status: Offline Points: 14390	Post Options Post Reply Quote BEAR Report Post Thanks(0) Quote Reply Posted: 05 November 2025 at 08:17
	I first got a 243, then to be able to shoot 120/117 gr bullets I got a 237 Bob. Killed a lot of whitetails with the Roberts, never wounded or lost a critter. Hornady bullets. here in the east folks like heavier bullets, often saying they are 'brush busters' as we hunt very heavy forests. '06 with 180 gr is the standard whitetail rifle, even though our whitetails tend to be small! I've always thought that 120 gr bullets was the just right weight for whitetails, just me.
	“ The IQ and the life expectancy of the average American recently passed each other in opposite directions.”

d4570 Members Profile Send Private Message Find Members Posts Add to Buddy List .416 Rigby Joined: 27 January 2004 Location: United States Status: Offline Points: 9961	Post Options Post Reply Quote d4570 Report Post Thanks(0) Quote Reply Posted: 05 November 2025 at 09:10
	My Boy has one but seldom uses it, I don't know why. So I'm no help on this one.
	Remember: Four boxes keep us free ,the soap box, the ballot box, the jury box, AND the cartridge box

Wing master Members Profile Send Private Message Find Members Posts Add to Buddy List Administrator AKA StraightShooter Joined: 10 June 2003 Location: United States Status: Offline Points: 8029	Post Options Post Reply Quote Wing master Report Post Thanks(0) Quote Reply Posted: 06 November 2025 at 22:21
	The reason I asked is because both of my daughters shoot a .257 Roberts for deer antelope and elk. The 117's do surprisingly well on elk. Tiffani's gun has been used by several people to shoot elk. It is as effective as my Swede or my .270. I never have worked up a load for my other daughters gun. She doesn't shoot very often and factory ammo has worked fine up until now. I bought a new box of ammo for her to hunt elk this year and it was $81.00. I can load ammo for a hell of a lot less than that. I have everything except bullets since toni's gun doesn't seem to like Tiffani's 117 grain Sierra Pro Hunters. Any suggestions for what bullet to start with?
	I have always considered myself to be quite the bullshitter, But ocasionally it is nice to sit back and listen to a true professional......So, Carry on.

BEAR Members Profile Send Private Message Find Members Posts Add to Buddy List Administrator Joined: 07 September 2013 Location: Appalachian Mtn Status: Offline Points: 14390	Post Options Post Reply Quote BEAR Report Post Thanks(0) Quote Reply Posted: 07 November 2025 at 05:23
	I'd try the New Hornady 25 Cal .257 128 gr ELD‑X it has a BC of .63 so it will give you some great long range action. and it is a heavy bullet for some extra energy and penetration. the 257 book max are light, you can go P+ with it in modern guns in good condition.
	“ The IQ and the life expectancy of the average American recently passed each other in opposite directions.”

Wing master Members Profile Send Private Message Find Members Posts Add to Buddy List Administrator AKA StraightShooter Joined: 10 June 2003 Location: United States Status: Offline Points: 8029	Post Options Post Reply Quote Wing master Report Post Thanks(0) Quote Reply Posted: 07 November 2025 at 13:00
	That sounds like a really good bullet for what I'm trying to do. Do you think a 1 in 10 twist rate will stabilize that heavy of a bullet?
	I have always considered myself to be quite the bullshitter, But ocasionally it is nice to sit back and listen to a true professional......So, Carry on.

BEAR Members Profile Send Private Message Find Members Posts Add to Buddy List Administrator Joined: 07 September 2013 Location: Appalachian Mtn Status: Offline Points: 14390	Post Options Post Reply Quote BEAR Report Post Thanks(0) Quote Reply Posted: 07 November 2025 at 13:46
	I should thing it would but the proof is in the firing. If you buy box and use half and they don't work, I'll buy the other half and try it in my 257.
	“ The IQ and the life expectancy of the average American recently passed each other in opposite directions.”

Wing master Members Profile Send Private Message Find Members Posts Add to Buddy List Administrator AKA StraightShooter Joined: 10 June 2003 Location: United States Status: Offline Points: 8029	Post Options Post Reply Quote Wing master Report Post Thanks(0) Quote Reply Posted: 08 November 2025 at 16:02
	That sounds like a deal. After hunting season I'll get a box and see how they do.
	I have always considered myself to be quite the bullshitter, But ocasionally it is nice to sit back and listen to a true professional......So, Carry on.

stinky Members Profile Send Private Message Find Members Posts Add to Buddy List .243 Winchester Joined: 30 August 2007 Location: United States Status: Offline Points: 226	Post Options Post Reply Quote stinky Report Post Thanks(0) Quote Reply Posted: 25 November 2025 at 22:41
	I like heavier bullets....in pretty much every caliber, except .30 and bigger. In .243, I like 100 grains. My pawn-shop .243 Savage shoots a 100 grainer group that you can cover w/a penny. For the record, that is plenty accurate. It works well on does and antelope. I've never used it on Bucks. I've used it on a bull....that did not go well. I shot it 3x, and found 1 bullet in the elk. My 1st shot was high...it hit one lung and then the spine and promptly disappeared. I THINK, that the spine was cracked as he didn't run for the next county. He went 100 yards and laid down and waited. If he woulda received a bullet through the spine....it woulda saved a bunch of work as he eventually ran into a deep ravine. I've heard people say that their .257 worked good on elk and it was always w/the heavier bullets. W/the 6.5 Swede....the Swedes use it on Moose (I think that is the Beastie) and always w/the long heavy bullet. The 6mm Remington didn't catch on....why? 85 grainers didn't work, or weren't perceived as being able to work on deer. My point....use 117s or 120s
	John 14:6

d4570 Members Profile Send Private Message Find Members Posts Add to Buddy List .416 Rigby Joined: 27 January 2004 Location: United States Status: Offline Points: 9961	Post Options Post Reply Quote d4570 Report Post Thanks(0) Quote Reply Posted: 26 November 2025 at 09:03
	"The 6mm Remington didn't catch on....why? 85 grainers didn't work, or weren't perceived as being able to work on deer." My 6 works great on BIG mule deer. 400 yards and over it still works great. I shoot a 80 TTSX at 3600+. Our 243 a cheep savage 110 Bushnell scope. We shoot an 85 gr tsx at around 3200 its nuts on at 300 plus. Also one cow elk at 150 ish. I never under stood the mist trust of the 243. Little recoil so even a new shooter can put the bullet where it needs to be. PS copper bullets ARE different then traditional bullets.
	Remember: Four boxes keep us free ,the soap box, the ballot box, the jury box, AND the cartridge box

Wing master Members Profile Send Private Message Find Members Posts Add to Buddy List Administrator AKA StraightShooter Joined: 10 June 2003 Location: United States Status: Offline Points: 8029	Post Options Post Reply Quote Wing master Report Post Thanks(0) Quote Reply Posted: 26 November 2025 at 16:38
	I didn't know the 6mm was that much faster than the .243. I've always used pretty much the heaviest bullet in whatever caliber I'm loading for but just wondering how an 80 or 85 grain bullet would perform in the Roberts. Are copper bullets better than jacketed lead bullets? Edited by Wing master - 26 November 2025 at 16:39
	I have always considered myself to be quite the bullshitter, But ocasionally it is nice to sit back and listen to a true professional......So, Carry on.