wildfowler.250 Posted May 31, 2010 Report Share Posted May 31, 2010 Hi, I was planning getting my .223 screw cut and possibly shortened at the same time...whats the general opinion of whats the best length to go for? Its 95% used for stalking,(i.e doesn't have to be 'vehicle short'). So im really looking for what you think is the best length for balance and bullet velocity? Thanks in advance for any replies Quote Link to comment Share on other sites More sharing options...
Mr_Logic Posted May 31, 2010 Report Share Posted May 31, 2010 What have you got right now? Quote Link to comment Share on other sites More sharing options...
wildfowler.250 Posted May 31, 2010 Author Report Share Posted May 31, 2010 think the barrel is 21/22 inches off the top of my head Quote Link to comment Share on other sites More sharing options...
wildfowler.250 Posted June 1, 2010 Author Report Share Posted June 1, 2010 Anyone? Quote Link to comment Share on other sites More sharing options...
Beardo Posted June 1, 2010 Report Share Posted June 1, 2010 i'm pretty sure it's 22", so just get it screwcut not shortened Quote Link to comment Share on other sites More sharing options...
Dunkield Posted June 1, 2010 Report Share Posted June 1, 2010 I can't remember what I got mine chopped to, I think it was 18" but with an ASE Utra stuck on the end the balance is perfect. If you want to know what barrel length versus velocity versus accuracy does for a .223 have a read of this: http://www.accuratereloading.com/223sb.html Quote Link to comment Share on other sites More sharing options...
wildfowler.250 Posted June 1, 2010 Author Report Share Posted June 1, 2010 Thanks for the replies! I'll take a read of that link aswell it's a T4 that's going on the end of her so ideally I don't want the barrel too long or it will be top heavy Quote Link to comment Share on other sites More sharing options...
Beardo Posted June 1, 2010 Report Share Posted June 1, 2010 blimey 10" barrel look a bit comical. 15" looks pretty damn good to me on those charts. anyone know the twist rate on the barrel they're using? ignore my earlier post about 22"! Quote Link to comment Share on other sites More sharing options...
wildfowler.250 Posted June 1, 2010 Author Report Share Posted June 1, 2010 Between 15 and 18 seems like a winner Would also be good to know the twist? Haven't had a chance to look at it thoroughly though! Quote Link to comment Share on other sites More sharing options...
Mr_Logic Posted June 1, 2010 Report Share Posted June 1, 2010 Do bear in mind they used very fast powders. Personally I'd not go lower than 20", and even that can be a pain. CZ, what rifle have you got, and which moderator? Quote Link to comment Share on other sites More sharing options...
wildfowler.250 Posted June 1, 2010 Author Report Share Posted June 1, 2010 It's a CZ American and a t4 reflex mod, what do you reakon? 20 is probably fine tbh! It's one of the ones that origionally had the iron sights on it by the looks of things so the reflex should also cover that up nicely Quote Link to comment Share on other sites More sharing options...
Mr_Logic Posted June 2, 2010 Report Share Posted June 2, 2010 Iron sights will need to be removed to fit the mod. I have the American, yours is the Lux I would think. Mine started life with 21, and that's been fine. Balance is poo but have plastic stock... Quote Link to comment Share on other sites More sharing options...
Dunkield Posted June 2, 2010 Report Share Posted June 2, 2010 I should have mentioned that mine was a Lux (there isn't much left of the original now) which have very thin barrels. The effect of chopping has made the barrel stiffer plus it now has a proper crown, so any losses in velocity have been turned into gains in accuracy. It's looks like this now: Quote Link to comment Share on other sites More sharing options...
JackReady Posted June 2, 2010 Report Share Posted June 2, 2010 I know it goes against the grain some what but have you thought about adding weight to the butt to correct the balance? Its not as if you're opposed to adding additional weight to your kit as you've already added a can to the other end. A few well place ounces of lead behind the butt plate/recoil pad should see the job done. Quote Link to comment Share on other sites More sharing options...
wildfowler.250 Posted June 2, 2010 Author Report Share Posted June 2, 2010 She may well be a lux actually, got the hogs back stock on her the irons have already been removed,(might have been nice to see how she would shoot unscoped but I never got them with the gun). So 18-20 is what do go for... I thought about adding weight but by the time you balance it up with the bipod aswell it's just more to lump around the crown only gets done if the gun needs it? Or is it extra to ask for? Cheers for the help so far Quote Link to comment Share on other sites More sharing options...
Mr_Logic Posted June 2, 2010 Report Share Posted June 2, 2010 Go with 20 IMHO, and if you are getting the barrel cut, then you do need it to be re-crowned. Quote Link to comment Share on other sites More sharing options...
JackReady Posted June 2, 2010 Report Share Posted June 2, 2010 Go with 20 IMHO, and if you are getting the barrel cut, then you do need it to be re-crowned. AND RE-PROOFED! Quote Link to comment Share on other sites More sharing options...
wildfowler.250 Posted June 2, 2010 Author Report Share Posted June 2, 2010 Cheers, think I will go for 20 AND RE-PROOFED! only if I sell her Thanks for all the help! Quote Link to comment Share on other sites More sharing options...
JackReady Posted June 2, 2010 Report Share Posted June 2, 2010 IIRC That only applies to threading.Not barrel shortening and re-crowning. As that constitutes removal of significant original material from the firearms barrel, action or mechanism. Bang goes you RFD's ticket, along with yours for non compliance of the Proof Acts. The maximum penalty is £5000 for each offence, but with provision for higher penalties where, for instance, a number of firearms constitutes one offence. Alteration to or the forging of proof marks is a more serious offence. Arms previously proved and bearing apparently valid proof marks are deemed unproved if the barrel or action has been materially weakened or original metal is removed any in other respects. Plucker up and kiss your **** good bye. As the bishop said to the actress. Quote Link to comment Share on other sites More sharing options...
Mr_Logic Posted June 2, 2010 Report Share Posted June 2, 2010 Jack you are wrong. The Proof Acts make it an offence to SELL an unproved firearm. If you want to make your own there is no requirement to proof the firearm. If you say that screwcutting needs a re-proof to sell, then so does a cut/re-crown. The terms are not completely clear as to what does or does not need a re-proof, but it is definitely only applicable at time of sale. Quote Link to comment Share on other sites More sharing options...
JackReady Posted June 2, 2010 Report Share Posted June 2, 2010 Logic I suggest you take the arguement up with the 2 Proof Houses. Jackson and Roger Francis have certainly muddied the water in regards to the need for re-proofing for thread cutting but certainly not when it comes to major barrel mods such as shortening, threading and re-crowning. Still its not my FAC at risk nor will it be my £5000 being handed over. All on the advice dished out on some internet forum by someone who'll take no responsibility for their unqualified advice should I end up before the courts. For the cost of re-proofing £40.The question is how much do you value your FAC. Quote Link to comment Share on other sites More sharing options...
wildfowler.250 Posted June 3, 2010 Author Report Share Posted June 3, 2010 Jack you are wrong. The Proof Acts make it an offence to SELL an unproved firearm. If you want to make your own there is no requirement to proof the firearm. If you say that screwcutting needs a re-proof to sell, then so does a cut/re-crown. The terms are not completely clear as to what does or does not need a re-proof, but it is definitely only applicable at time of sale. that was my thoughts :( if it was only a £40 quid extra then common sense would suggest you get it done but I reakon I'll get done another 75 probably Quote Link to comment Share on other sites More sharing options...
Mr_Logic Posted June 3, 2010 Report Share Posted June 3, 2010 Logic I suggest you take the arguement up with the 2 Proof Houses. Jackson and Roger Francis have certainly muddied the water in regards to the need for re-proofing for thread cutting but certainly not when it comes to major barrel mods such as shortening, threading and re-crowning. Still its not my FAC at risk nor will it be my £5000 being handed over. All on the advice dished out on some internet forum by someone who'll take no responsibility for their unqualified advice should I end up before the courts. For the cost of re-proofing £40.The question is how much do you value your FAC. My point is not about what modification does or does not not need proof. My point is that you ONLY need it if you sell! Quote Link to comment Share on other sites More sharing options...
stevethevanman Posted June 3, 2010 Report Share Posted June 3, 2010 For about 6" off I was told about 200fps is what you loose, this equates to about 1" extra drop at 200yds ..however if your pressing out to longer range it starts to stack up quite quickly and the differance can be quite a bit. out to 250yds you wont notice it :( Steve Quote Link to comment Share on other sites More sharing options...
wildfowler.250 Posted June 3, 2010 Author Report Share Posted June 3, 2010 Thanks for that I'll probably just keep it on the longer side of things then! Is it possible to reload using a fast powder to minimise the drop of the bullet? Or is it possible to produce a better trajectory with a faster burning powder? :( Quote Link to comment Share on other sites More sharing options...
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