Cupcakes Posted February 17, 2017 Share Posted February 17, 2017 Hey guys, First post of the forums so still abit of a noob. As the title would suggest im seeking advice on a metal receiver set for my src m4 as it seems to be slightly different to all the other brands. Any advice would be appreciated. Thanks again Link to comment Share on other sites More sharing options...
PopRocket123 Posted February 17, 2017 Share Posted February 17, 2017 Different how? I know with my SRC you need to take the pistol grip and buffer tube before you can split the receiver but from what I can tell the gearbox should still fit in other receivers. Feel free to correct me if I'm wrong but that's just what I can see with mine. Link to comment Share on other sites More sharing options...
Cupcakes Posted February 17, 2017 Author Share Posted February 17, 2017 You can split the receiver by simply taking out the front pin, In order to take out the actual gearbox however you have to do all that. In terms of the differences i was told the gearbox was slightly longer than some and there may be some weird fitment issues. If it would fit most receivers then can anyone suggest a good set. Link to comment Share on other sites More sharing options...
dazzer306 Posted February 17, 2017 Share Posted February 17, 2017 I've had a couple of SRC weapons and the only thing to be cautious of is the front hand gaurd as its slightly smaller/bigger can't remember which if your going to change that apart from that all ok, still have my first metal receiver 9" free float RIS rail, full stock, only the receiver is SRC Link to comment Share on other sites More sharing options...
Supporters Samurai Posted February 17, 2017 Supporters Share Posted February 17, 2017 And you can't pair its upper with an other brand lower and vice versa. Link to comment Share on other sites More sharing options...
Cupcakes Posted February 17, 2017 Author Share Posted February 17, 2017 Oh okay ill give it a try then thanks guys! Link to comment Share on other sites More sharing options...
Supporters Sitting Duck Posted February 17, 2017 Supporters Share Posted February 17, 2017 I have a couple of the SRC & SRC Bulldog's sportsline I also bought a busted one off somebody who tried to replace the brittle receiver with a metal one Think the classic TM plastic tabs broke off the original top receiver and thought he would reshell it But didn't quite go according to plan so he cut his losses and sold it on.... https://airsoft-forums.uk/index.php?/topic/23093-src-m4a1-for-sale-or-swaps/ The problem is the tiny 3mm drift pin was slightly out when the SRC box was installed we are talking about half a milimeter out - not much but enough that it wasn't going go through without force or a mod another "regular" box aligned perfectly To be brutally honest with that info: Either expect a little bit of work - but it can go or cut your losses now & get another gun What you decide is up to you and depends on your base gun and what not... if you have the 6mm green bushings cheapo gearbox with the two piece hop unit then consider another gun perhaps Not that a one piece hop unit will cost much but it is one more thing that will changing on a metal receiver The 6mm plastic bushing replace, the gears are toffee - the sector is absolute dire quality The rest of the box isn't bad at all if you have the double o-ring brass cylinder head etc..... But think SRC are not in same league as G&G & ICS from Taiwan The cheap Sportsline SRC's should be stopped and retailers should maybe stock the cheap Cyma's imho Don't get me wrong - it is do-able but don't go paying top dollar for a receiver then still have a bit of grief plus no matter what it will still be cheap basic gearbox in a better receiver is what I'm saying... No matter what people do their SRC's or G&G's it will still be nigh on a SRC or a G&G is what I mean Look around but weigh up the options I would suggest Link to comment Share on other sites More sharing options...
Hangtight Posted February 18, 2017 Share Posted February 18, 2017 I'll shortly be doing a full service and set up on my son's SRC, so I'll check compatability with other parts I have. If there are any issues I'll post them in this thread. Link to comment Share on other sites More sharing options...
Sacarathe Posted February 18, 2017 Share Posted February 18, 2017 13 minutes ago, Hangtight said: I'll shortly be doing a full service and set up on my son's SRC, so I'll check compatability with other parts I have. If there are any issues I'll post them in this thread. Which SRC rifles do you guys have? Link to comment Share on other sites More sharing options...
Hangtight Posted February 18, 2017 Share Posted February 18, 2017 My son has the SRC TCC M4. Mine are bitsas, so I've a variety of gearbox shells etc. Link to comment Share on other sites More sharing options...
Hangtight Posted February 19, 2017 Share Posted February 19, 2017 JG and Guarder shells checked in the SRC receiver. Both fit fine. Link to comment Share on other sites More sharing options...
Supporters Lozart Posted February 20, 2017 Supporters Share Posted February 20, 2017 On 2/17/2017 at 11:05 PM, Sitting Duck said: cut your losses now & get another gun This. Link to comment Share on other sites More sharing options...
Hangtight Posted February 20, 2017 Share Posted February 20, 2017 The SRC gearbox shell is not very well designed and is a complete ar5e to put back together. It doesn't locate things like the anti reversal latch very well. It genuinely took two people using both hands and a variety of pokey things to get everything to locate so you can close up the shell halves. With the stock gears there is little scope for getting it shimmed really nicely as there is very little room for shims. The gears are just too tight a fit in the box. And the shell seems to be made of cheese. Screws have a nasty habit of unscrewing complete with the thread they are screwed into. Piston and cylinder head are alright though... Link to comment Share on other sites More sharing options...
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