SR-25

[MrSlipperHat]

I want this kind of rifle, but I'm having problems locating one. I need the price to be reasonable, but still be a good rifle. I am asking you, the smartest airsofters I know, to assist me in this venture.

[Minerva]

Google's your friend. http://www.airsoftgi.com/product_info.p ... ts_id=7641

[Mtgriz]

Skip that JG model. It has a V2 gearbox with a long nozzle. Go with the CA models or the A&K. They have an elongated piston/cylinder that allows for a greater volume of air to be pushed down the barrel.

Check RSOV.com or ehobbyasia. Both usually have A&K models in stock.

[Minerva]

Skip that JG model. It has a V2 gearbox with a long nozzle. Go with the CA models or the A&K. They have an elongated piston/cylinder that allows for a greater volume of air to be pushed down the barrel.

Check RSOV.com or ehobbyasia. Both usually have A&K models in stock.

That larger volume of air is only more effective at higher velocities with an EXTREMELY long barrel. Why limit yourself with compatibility and parts when you can have something that shoots just as far, with parts support for V2's?

[league 4]

Skip that JG model. It has a V2 gearbox with a long nozzle. Go with the CA models or the A&K. They have an elongated piston/cylinder that allows for a greater volume of air to be pushed down the barrel.

Check RSOV.com or ehobbyasia. Both usually have A&K models in stock.

Nope. JG's have a hybrid gearbox. Different cylinder head and gearbox shell, standard length nozzle. There is little to no performance increase with the elongated gearbox/cylinder of the CA/A&K type...

[Shaqonis]

I got an A&K sr 25 not to long ago... I played 2 or 3 games with it and now the gear box is jammed (makes an eerie grinding noise when the trigger is pulled) The first time it happened it was a hundred dollar fix... I dont want to fix it again. I own several other Classic Army AEGs (G46, M4, etc.) the reliability of them is awesome! They have not failed me yet! So... If you are choosing between the 2, my experience would say go for the CA.

[Mtgriz]

That larger volume of air is only more effective at higher velocities with an EXTREMELY long barrel. Why limit yourself with compatibility and parts when you can have something that shoots just as far, with parts support for V2's?[/quote]

I disagree. My personal experience has proven otherwise. My CA25 is pushing .20s at 525 +/- 2 FPS through a 509mm Dees tightbore with an M130 PSG-1 spring. And it's not like SR25 parts are rare. With the Prometheus hop chamber, I'm shooting 8 inch groups at 275 feet with a 5 round group. Try getting that efficieny and accuracy on a V2 gearbox and an M130 spring.

League- We must have gotten different runs from the JG factory. The JG SR25k I have has a standard V2 gearbox and a ridiculously long nozzle. The nozzle is the only non standard piece.

[league 4]

Well they use this gearbox:



With this cylinder head:

http://www.airsoftpost.com/product_info ... s_id=36138

So no need for a long nozzle...

[Minerva]

I disagree. My personal experience has proven otherwise. My CA25 is pushing .20s at 525 +/- 2 FPS through a 509mm Dees tightbore with an M130 PSG-1 spring. And it's not like SR25 parts are rare. With the Prometheus hop chamber, I'm shooting 8 inch groups at 275 feet with a 5 round group. Try getting that efficieny and accuracy on a V2 gearbox and an M130 spring.

525 is quite a high velocity, and a 509mm is a pretty darn long barrel . Actually you can get quite higher ranges and tighter groupings with an M120 probably... I think the longest I've heard them (SR25) be able to go out to was 400 feet

What exactly do you think the benefit of the SR25 V2 is? A larger volume of air in the cylinder doesn't make it any more accurate, it just allows the use of a much longer barrel (which really doesn't help much IMHO) at reasonably high velocities.. Also I think the slightly greater mass of the 19 toothed piston might have an effect on the velocity as well but I can't be sure of that (or if there is any real difference at all)

Also, you are going to have a harder time finding gears and such for the CA/A&K model. That and the only reliable replacement gearset is the SHS one.. Wish a company like Lonex would make them or something

[Jewish Ninja]

A&K uses standard everything, except for the piston. Though I'd suggest using a PSG1 spring as they seem to work better than a standard AEG spring.

I have the A&K and I'd recommend it over the CA. I don't feel like your getting $200~ more of gun for the price. I've kept the GB on mine stock, just regreased it and added a PSG spring. I did replace the stock bucking, nub and barrel as well. Last time I shot it, it was staying within 2-3 FPS per shot which isn't too bad IMHO.

I'd ditch the hicap that it comes with because 500 rounds is a bit overkill. The 20LR Pmags work amazingly in it, so I'd highly suggest one of those.

[Mtgriz]

Minerva-

I guess our perspectives are relative. 525 FPS is pretty average for most SR25s in my experience, and 509 is a standard length of barrel.

I always assumed 600+ FPS and 700mm+ barrels to be extreme, but again, all relative.

As for SR25 extended gearbox advantages, having the extended cylinder and subsequent additional air volume allows the user to achieve greater velocities with lower strength springs, allowing the user to forego things like max torque gear sets and ultra torque motors. Find a standard V2 gearbox pushing 525 FPS on an M130 rated spring and stock gears? Not likely.

As for parts, they aren't as readily available, I agree. SHS does make a decent gearset, but I've found the stock CA gears to be more than adequate and readily available in the states. SR25 pistons are readily available as are piston heads and cylinder heads.

As for range, 400 feet is pretty extreme. I'm going to have the R-hop installed in my SR when I get back from this deployment, and I'm hoping for 350 feet with .36 BBs. That 400 foot number sounds like one of those urban myths that never stands up to actual examination. The guys over at airsoftmechanics.com have done some pretty crazy accuracy mods and none of them are puching that distance.

[Minerva]

I don't think a whole lot in that gearbox is standard V2 stuff.. At least not the last time I opened one up.

I can understand your reasoning behind why the added velocity, but that doesn't add to accuracy one bit, in fact, I'd imagine it causes quite a bit of turbulence to the flight path of the BB if you aren't utilizing all that extra air in the cylinder. You mention AM. Here's a link to that exact topic

http://forums.airsoftmechanics.com/inde ... pic=4916.0

Maybe you're right about the relativity. I'm always at 363 or under and am constrained to 400fps

As for range, 400 feet is pretty extreme. I'm going to have the R-hop installed in my SR when I get back from this deployment, and I'm hoping for 350 feet with .36 BBs. That 400 foot number sounds like one of those urban myths that never stands up to actual examination. The guys over at airsoftmechanics.com have done some pretty crazy accuracy mods and none of them are puching that distance.

Ah you need to look into the ER-hop. Requires some minor barrel cutting but the results are worth it

[Mtgriz]

My research into the R/ER hops is limited, but I thought the ER-hop was for .40s and up? It's tough to find quality .40s and heavier.

I'm looking to R Hop my M249 as well, and shoot .3s out of it. 25+ RPS and 300 foot range? Yes, please!

[CommieHunter]

You guys have me curious.

I would like to see your range and accuracy results measured out. 300-400 feet is impressive, and it would be cool to see it measured out.

[RBeran]

I owned an A&K SR25...it sucked. Externals were janky and wiggly, range was may 200ft, accuracy...well...there wasn't any.

Currently own a JG SR25...have not done anything to dial it in, it shoots 400fps, and already have ranged to 250-270- with 6-8 inch grouping.

To contrast, I own an M4 modified as a DMR...it also shoots 400 fps, it ranges to 215-220 ft, with a 6inch grouping. For my game, this is plenty of range. It weighs half what the SR25 does, uses a mag I can borrow from any one of my 22 team mates, and is stupid reliable...something I cannot say about either of the SR25's I have owned.

Do you wanna look cool, or do you wanna do the J - O - B? My M4DMR allows me to do both, with more efficiency than the SR25.

My .02.