Turning cqb gun into dmr

[Blizzard]

Although I do agree with League to a point, there are times when quality of hopup chambers does affect performance. I used to have a TSD metal hopup unit in my G36 when I got it. It sucked. Period. The cylinder that the bucking went in was so wide that I had to wrap the bucking about 6x in Teflon tape to get it snug. Even then, a little bit of air was escaping around the bucking. That would affect compression and thus shot consistency. Also, the arm that pushes down on the nub had a lot of horizontal play to it so that the nub was able to rotate slightly. That also threw off consistency. I finally decided to put in an old Echo 1 plastic unit I had and the consistency greatly increased because the cylinder was tighter and there was very little horizontal variance in the hopup arm.

Basically, unless the hopup unit has really bad build quality or if it doesn't stay tuned, then you shouldn't have to worry about it.

[league 4]

TSD G36's hopups don't really count for this. I'm talking about M4 units, but you're right, the TSD one is horrible. I hear lots of complaints from people using them.

[John_234]

I'd personally just sell the thing and buy a KWA M16 or standard length M4, it's a lot more suited to it and saves the need to do a bunch of work. If you could get DMR performance out of a nine inch AR-15... we'd see a lot less rifle and carbine length ARs on the field. But, that's the expensive route.

I'd go for a M4 length barrel for all-round use, or attach a suppressor with your current CQBR length barrel and run the inner barrel through it - with a red dot, you essentially got the M733 that Gary Gordon ran in The Battle of Mogadishu. Like it was said before, check your seals in the piston and run a decent hopup. Tightbore, maybe, maybe not. Matching your brand of BBs to the AEG will do a lot for performance.

You don't need absolute accuracy out of a DMR, just a bit more precision at range, which really isn't going to be all that far in the first place. Of course, that also brings up the question of how far in either direction are you going with DMR.

Are you going for what is essentially a semi automatic sniper rifle, or a very accurate automatic weapon?

[soccerspaz]

a semi automatic sniper rifle