Is a 20 inch 6.5 PRC enough for elk?

[CoMulies]

Has anyone chopped into the flutes on a tikka roughtech D18 barrel to thread? I have a 24” roughtech 6.5 prc I may mess around with and cut to 20” for a can, just wondering if anyone has experience / what threading you got on there.

 

[Snowhunter11]

Has anyone chopped into the flutes on a tikka roughtech D18 barrel to thread? I have a 24” roughtech 6.5 prc I may mess around with and cut to 20” for a can, just wondering if anyone has experience / what threading you got on there.

This Tikka 6.5 manbun was cut for a friend at 19” into the flutes. 1/2 x28 thread. Muzzlebreak not a can but you get the idea. After going deaf shooting an elk this fall he is now looking to buy a suppressor.

 

[CoMulies]

This Tikka 6.5 manbun was cut for a friend at 19” into the flutes. 1/2 x28 thread. Muzzlebreak not a can but you get the idea. After going deaf shooting an elk this fall he is now looking to buy a suppressor.

Appreciate the reply - you know if that is that a superlite barrel or the roughtech / d18? Was hoping to get 5/8th into the roughtech

 

[Harvey_NW]

Appreciate the reply - you know if that is that a superlite barrel or the roughtech / d18? Was hoping to get 5/8th into the roughtech

You will be fine for 5/8 on the Roughtech. I have a D-18 with the shoulder at the end of the flutes, because I'm OCD like that.

 

[Snowhunter11]

Appreciate the reply - you know if that is that a superlite barrel or the roughtech / d18? Was hoping to get 5/8th into the roughtech

My bad I bet that is a superlite..

 

[Vector32]

Tikka 6.5 creed factory cut to 18” suppressed. 630 yards to 1800fps. Hornady match 147gr factory ammo.

Kinda new to this. What are these numbers? How do you figure out what your bullets are doing?

 

[HairyScandinavian]

Kinda new to this. What are these numbers? How do you figure out what your bullets are doing?

Not sure I'm reading this right. It's right there in your attachment, the velocity.

 

[Vector32]

Not sure I'm reading this right. It's right there in your attachment, the velocity.

That’s was a screen shot from the original comment. So you just look at the velocity of your round at different yardages to see what the energy is ?

 

[WeiserBucks]

That’s was a screen shot from the original comment. So you just look at the velocity of your round at different yardages to see what the energy is ?

Disregard energy, verify adequate impact velocity for bullet expansion.

 

[Vector32]

Disregard energy, verify adequate impact velocity for bullet

Ok how do you know what that is for the bullet you are shooting? Or how do you figure that out ?

 

[WeiserBucks]

Ok how do you know what that is for the bullet you are shooting? Or how do you figure that out ?

Most mfgs have a minimum recommend velocity for appropriate expansion. Other bullets are trial and error.

 

[HairyScandinavian]

That’s was a screen shot from the original comment. So you just look at the velocity of your round at different yardages to see what the energy is ?

Oh sorry I thought you provided that shot. Specifically to these match bullets (TMK's, M's), through testing, many have suggested that 1800 fps is the minimum velocity for reliable performance. Manufacturers don't typically publish that info for match bullets as they're not intended for hunting, but you'll find info on hunting designed projectiles that's published for them. Energy is less relevant as long as you've got that 1800 fps speed you should be gtg with the RS approved projectiles.

 

[Harvey_NW]

Ok how do you know what that is for the bullet you are shooting? Or how do you figure that out ?

To figure out what that particular bullet is doing in your rifle you need to download a ballistic app, or use a ballistic calculator, and input live fire data from your rifle at the range.

Using the Hornady ballistics calculator on their website for example, you would input all the specs-
rifle: twist, scope height, bore diameter, zero range/angle.
load data: muzzle velocity, bullet weight, G1/G7 BC.
environmentals: elevation, temperature, pressure, humidity.

Then input the table parameters and it will spit out a spreadsheet. It will show you velocities at distances and you can determine what yardage your bullet falls below the recommended impact velocity based on the manufacturers recommendations, for that load at that set of environmentals.

Garbage in, garbage out. To get measurements like muzzle velocity you either need a reliable chronograph with a decent sample size, or actually shoot known distances and true up the velocity and BC based on impacts.

 

[nm.otter]

Specifically to these match bullets (TMK's, M's), through testing, many have suggested that 1800 fps is the minimum velocity for reliable performance. Manufacturers don't typically publish that info for match bullets as they're not intended for hunting, but you'll find info on hunting designed projectiles that's published for them.

...then add at least 10%:

Hornady quotes 1,600 FPS for ELD-X. Most here use 1,800.

Hornady quotes 2,000 FPS for CX. Most here use 2,200 (though 2,400 makes a bigger hole).

 

[nm.otter]

Ok how do you know what that is for the bullet you are shooting? Or how do you figure that out ?

If the manufacturer doesn't provide it, you gather data from threads like these that share wound channels with projectile details and estimated impact velocities:

P

Thread '.223 for bear, mountain goat, deer, elk, and moose.'

Jun 3, 2019

DON'T HAVE TIME TO READ 176 PAGES? HERE'S THE CHEAT SHEET.

---

“Bullets matter more than headstamps.”

“Spent primers offer the supreme tutorial”.

I’ve read it here and elsewhere online. It got my attention. I started digging and asking questions and listened.

The 77gr TMK delivered by a .223 is where I ended up after many discussions and objective data regarding bullet performance and numerous pics of field results.

Now for the delivery system. Accurate. Repeatable. Reliable. Reasonable weight to afford steady shot placement and the ability to spot my own impacts...

• PNWGATOR
• Replies: 11,936
• Forum: Firearms

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Thread '6mm /.243 hunting success on Big Game'

Oct 28, 2022

With the success of .223 and 6.5 threads on big game, thought I’d throw this one into the mix.

Show and detail your results harvesting big game (deer, bear, elk, moose, African game) using 6mm/.243 cartridges. Please detail bullet, MV, impact velocity, and whether hand load or factory ammo.

• BjornF16
• Replies: 2,315
• Forum: Firearms

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Thread '6.5 Creedmoor/260 for Deer, Elk, and whatever else.....'

Dec 17, 2021

Seeing that the 223 thread is such a success, I thought maybe I would start one for the Creedmoor/260. Seems like people are asking a lot about using them and various bullets, especially for elk. I've used mine for the last few years almost exclusively. I have some pics of bullet damage, albeit not nearly as many as I should have, from a couple deer. I'll try to briefly describe the ones I don't have pics of.

If you have experiences, good or bad, post them up. Of course, pics are great, and add a lot of valuable information. Maybe it will take off, maybe it won't, but if it does it...

• woods89
• Replies: 1,804
• Forum: Firearms

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If the manufacturer does provide it, you check their work.