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284 Win question

Hello All,

I have an FN SPR rifle chambered in 308.  The action is factory bedded into a McMillan A1 stock. I have been thinking about getting it re-barrelled and chambered in 284 Winchester.   I have a question for those of you who shoot this caliber.  What barrel contour, twist rate and length  would you recommend?  I am planning on using Berger's 180 grain Hybrid Targets. 

I am just a recreational shooter and I am a member of a club/range where we can shoot, from a bench, out to just past 1000.  I've been reading a bit and about the 284 Win and seems like many competitors shooting this distance are shooting/using 284 Wins.

Thanx and happy Thanksgiving, lg

Re: 284 Win question

Reply #1
Lg i run a 28 inch bull barrel on mine. 1" at the muzzle.. if i remember right its a 1&8 twist .shoots the 184 hybrids really well..
Grant

Re: 284 Win question

Reply #2
@Ig65cmsd

You have an expensive tool there; specifically designed as a sniper rifle around the 308 cartridge. I’m not a huge fan of the cartridge but everybody needs at least one 308 in their safe. If you rebarreled with a different chamber you are probably going to lessen the value of the SPR.

I am a big fan of the 284 and think you would probably enjoy working with the 7mm caliber. Have you thought about just building another rifle that would meet your range needs and doing it in 284?

Re: 284 Win question

Reply #3
Thank you Grant.  28" was what I had in mind and (if I live long enuf have it suppressed :) )  1:8" , 1:8.5" were in my head.  & 1.25, 1.2 inches at the breech end tapering to 1" at the muzzle was also in my head. 

Hey JVW, thanx for your input.  Yes, it is an expensive gun.  I bought it, used on Sniper's Hide,  intending to re-stock and rebarrel to 6.5CM but when I got it I quickly changed my mind.  It was too much gun- McMillan stock, bedded, etc to do anything to.  So decided to keep it a while , shoot it, and bought the dies and such to reload for it.  It shoots 155s Hornady ELD-Ms over RL-15 and IMR 8208 XBR powders real well at around 2850 MV.   I am very happy with it 'as is'.

I've another FN (PBR) action that my nephew used along with a chunk of curley maple and a Kreiger bbl to build me a 6.5.  And did think about just building out a 284 from scratch.  But,   I am not sure I want to go through the wait time to have another custom built.   

I started reading and seeing the 284 and got pregnant with the idea of having one.  And am not shooting the 308 much.  I shoot with an  army buddy who has a Remington that Lester Bruno barrelled and trued up, so I can shoot his 308 if I feel the urge.

So,  I decided to ask around and get some opinions and thoughts on this before I give birth to this idea.  Asking here is a good place to start.  Appreciate the views, Grant and JVW.  lg

Re: 284 Win question

Reply #4
The 284 Win. and it's wildcats has become THE F-Open long range round.  Great brass, bullets, powders, easy to tune, manageable recoil, good barrel life.  What's not to like?  I plan to stick with my 6.5 Creedmoor, but if I was younger I would start with that round

Re: 284 Win question

Reply #5
Thank you Boltman for your comment and view and time.  All you write is also all I have heard.  & what lured me to this idea.    I am  not sure what age has to do with sticking with the 6.5CM but, in my case,  I am in my 7th decade now and the reason I like my 6.5s is their lack of comparative recoil.  & the added recoil is  a reservation I have with my '284 idea'. 

Also, I don't remember reading a lot about muzzle velocities.  Part of my thinking with this idea is to push a heavier bullet (180/184 Berger Hybrid Targets) and at a faster MV than I shoot my 6.5s at (2700-ish).  Because I think it will help when the wind blows.  OTOH will that generate enough recoil to cause me to flinch.  A tendency I have and work at managing it. 

I suppose these things lead me to ask around about this idea here.  I get pretty good answers, suggestions, advice and thoughts here.  Even just lurking and reading I have learned a lot.  Thank you again, lg.  

Re: 284 Win question

Reply #6
lg, I'm about to hit 73 and have been loading for the 6.5 Creedmoor since it first came out.  I shoot F-Class Long Range and I have 2 rifles one with a 40X action and a 30" Bartline Heavy Varmint 1:8 twist which gives me 2,853 FPS with the Berger 140 Hybrid, the other a Remington 700 with a 31" Brux bull barrel which gives me 2,894 FPS with the 140 and 2,889 FPS with the Berger 144 Hybrid.  All are with Lapua SRP brass, CCI-BR2 primers and 41.5 grs of H4350.  I get no pressure signs and extraction is easy.  Both bolts are bushed. I think the new Berger 156 gr Hybrid is just too much for the Creed.  Recoil feels the same between the 140 and 144.  I have too much experience with the 6.5 and too much invested in dies etc. to change now, but the 284 Win. is a hell of a good round for long range.