kevshin21 Posted November 3, 2006 Report Share Posted November 3, 2006 hey guys ever since i had my m4 its been shooting to the far left and I have no idea what to do, is it because of the hop up? (ex of how i have to aim: the m4 front sight has iron sight and two iron post | I | like that. I have to aim on the left iron post!. so what do I do? +1 for the person who gets my m4 to shoot straight. Link to post Share on other sites
squeeky Posted November 3, 2006 Report Share Posted November 3, 2006 have you tried cleaning out your barrel? Link to post Share on other sites
Xaccers Posted November 3, 2006 Report Share Posted November 3, 2006 Does it fly in a straight line to the left, or does it arc to the left? Link to post Share on other sites
Marine47 Posted November 4, 2006 Report Share Posted November 4, 2006 Turn your hopup off completely, if it still curves then most likely somethings in your barrel. Or you might expect a little too much accuracey for an airsoft gun. Whats ure gun, and what gram bb's are you using? Link to post Share on other sites
kevshin21 Posted November 4, 2006 Author Report Share Posted November 4, 2006 xaccers it shoots straight to the left, the hop up only arcs it up to the left... and marine 47 I have a TM m4a1 1st or 2nd gen with .2G bbs with full tune up kit and a psg1 barrel (but it is cut down to m4 length since it was too long) and I dont think there is anything in my barrel, it always shot lto the left and I clean it very often. Link to post Share on other sites
Xaccers Posted November 4, 2006 Report Share Posted November 4, 2006 I know it may sound daft, but its not just that your rear sight is off is it? Link to post Share on other sites
kevshin21 Posted November 4, 2006 Author Report Share Posted November 4, 2006 nope i have to jam it all the way to the left so i can acutally shoot it decent Link to post Share on other sites
Victory Posted November 4, 2006 Report Share Posted November 4, 2006 Or how did you cut the barrel down? And incorrect cut may cause this. -Vic Link to post Share on other sites
kevshin21 Posted November 4, 2006 Author Report Share Posted November 4, 2006 Or how did you cut the barrel down? And incorrect cut may cause this. -Vic <{POST_SNAPBACK}> I got it professionally cut from replisoft. Link to post Share on other sites
Xaccers Posted November 4, 2006 Report Share Posted November 4, 2006 Take the barrel out and inspect it for any thing that might be up there. Also check your hop rubber for damage Link to post Share on other sites
Stealthbomber Posted November 4, 2006 Report Share Posted November 4, 2006 Better still, put the original barrel back and see if it makes any difference. Link to post Share on other sites
kevshin21 Posted November 4, 2006 Author Report Share Posted November 4, 2006 well the problem is that I have no idea how to really disassemble and reassemble. All i know how to do is push the pin out of the m4 and thats it also the tab is missing on the side of the gun where you push to release the top from the bottom reciver edit: never mind i found out how...but when i look into the barrel its perfectly clean. But if its something really small like a grain of sand, would it mess it up like crazy? Link to post Share on other sites
sirrith Posted November 4, 2006 Report Share Posted November 4, 2006 yes it will a grain of sand ISNT small when it comes to airsoft barrels try swapping barrels and see if it shoots better Link to post Share on other sites
kevshin21 Posted November 4, 2006 Author Report Share Posted November 4, 2006 i dont have my other barrel I cant seem to find it, but i remember it still shot to the left with the stock one. Also the hopup seems alright, the hop up thing is perfectly roundish Link to post Share on other sites
sirrith Posted November 4, 2006 Report Share Posted November 4, 2006 if it also shot to the left with the stock one, then something is wrong with your hopup, it may be misaligned, or defective, try taking it apart and putting it back together again, if it still shoots left, then get a new hop, preferably systema, even if it SEEMS alright, it might not be, or worse case scenario, something is wrong with the gun, and its pushing the barrel to the right on the inside, probably at the hop, causing it to point left. Link to post Share on other sites
R2k Posted November 4, 2006 Report Share Posted November 4, 2006 Unless I'm thinking incorrectly, if the BB shoots to the left, you would want to jam the rear sight all the way to the right to compensate, not to the left. Are you sure your sights aren't just way off, like Xaccers said? Link to post Share on other sites
kevshin21 Posted November 4, 2006 Author Report Share Posted November 4, 2006 Unless I'm thinking incorrectly, if the BB shoots to the left, you would want to jam the rear sight all the way to the right to compensate, not to the left. Are you sure your sights aren't just way off, like Xaccers said? <{POST_SNAPBACK}> well i jammed it all the way to the right and it only helped a little, its still shooting way left Link to post Share on other sites
Marine47 Posted November 4, 2006 Report Share Posted November 4, 2006 You don't need sites to see that a bb's flight is off, are you kidding me? If your barrel looks good and was professionaly cut then my guess is it's the hopup. Again, try shutting the hopup off, see if it shoots any straighter. Check and see if your hop up clamp isn't broken. Or if the bucking is slightly smooshed...tons of things can make a bb curve to the left. Link to post Share on other sites
kevshin21 Posted November 4, 2006 Author Report Share Posted November 4, 2006 ok so how do i dissassemble the hopup unit? Link to post Share on other sites
sirrith Posted November 4, 2006 Report Share Posted November 4, 2006 remove the rear takedown pin, use the front one as a hinge, open your m4, slide the hop unit and barrel out of the gun, take off the screws, dont lose any small parts. if the rubber sleeve is ripped, or the bucking is deformed, replace it. if it seems fine, check the hop unit for any deformation or scratches that might indicate something pressing on it what brand is your m4 btw? Link to post Share on other sites
Stealthbomber Posted November 4, 2006 Report Share Posted November 4, 2006 Nobody's mentionedyet that the whole front end might be bent slightly. I had this happen on my MP5 when I bought an ICS front end for it. I only knew what to look for because it did shoot straight with the CA front end on and, suddenly, after fitting the ICS front end, it started shooing to the right. Turned out that the ICS cocking tube was twisted slightly and was forcing the inner barrel to the right. I ended up fixing it by drilling the cocking tube out to about 12mm so that the inner barrel no longer touched it (given that the inner barrel is 8.5mm OD that tells you that the cocking tube was twisted by about 3mm) then poured JB Weld into the rest of the hole to secure the outer barrel again. Link to post Share on other sites
kevshin21 Posted November 4, 2006 Author Report Share Posted November 4, 2006 I will give a hop up a disassemble tomorrow. 2:35 am right here and i got work, i will keep you guys updated Link to post Share on other sites
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