KWA M11A1 Gas Capacity?

shaire · April 29th, 2010, 07:27

I recently purchased a KWA MAC 11. Question: Does anyone know how long a full chamber of Green Gas should last? I can barely get through a clip of BBs before having to fill up again. And on full-auto...forget it, it lasts seconds! It's brand new, I don't think it's leaking, maybe discharging too much gas while shooting? Any thoughts...?

doc_pathfinders · April 29th, 2010, 08:11

It depends on the ambient temperature to a large degree, if it's around 10 degrees (centigrade) i wouldn't be suprised you couldn't make it through a _magazine_ of bb's on full auto (which is more 'wasteful' in terms of gas)

but on semi, you should last a full _magazine_..

how many shots per second are you firing while testing? if you're 'spamming the trigger'
then that would also explain the poor performance.

read up on the 'Ideal gas law' to understand the thermodynamics involved, but to put it simply,
warm the _magazine_ or space out your shots to conserve the gas..

Geoffrey B. · May 1st, 2010, 09:14

I can get 120rds in one fill.

Ballcancer · May 1st, 2010, 10:00

How long are you filling the magazine? I fill my pistol mags until they vent propane. I only ask because having used the KWA M11 I was able to get a full mag off in full auto and still have gas left over for another mag. And at 10 degrees you should be able to use full auto and have enough to empty the mag.

cjboi · August 25th, 2010, 04:28

Im getting the same problem, Im gonna try new can of propane tomorrow. I already took the valve out and out some oil in it an tighten it with valve key. Hopefully it works with new can.

Kid · August 25th, 2010, 19:57

You can't fill them until they vent because they don't vent, unlike TM mags.

I can usually get a full mag fired on a full auto dump. However, it's going to be pretty low on gas near the end and it might start to struggle.

On semi, with spaced out shots, you could realistically get two mags of BBs.

My M11 is really fun. I just wish it had at least SOME blowback.

How long are you filling for? On a nearly empty mag, I can fill for 10-12 seconds before I can't hear the gas going in anymore.

Styrak · August 25th, 2010, 22:12

Quote:

Originally Posted by Kid

My M11 is really fun. I just wish it had at least SOME blowback.

What do you mean exactly? It's a GBB.

ShelledPants · August 25th, 2010, 22:21

Quote:

Originally Posted by Styrak

What do you mean exactly? It's a GBB.

The M11's don't kick that much.

Styrak · August 25th, 2010, 22:25

Well that's because it fires from an open bolt.

ShelledPants · August 25th, 2010, 22:28

Quote:

Originally Posted by Styrak

Well that's because it fires from an open bolt.

No, it's because the bolt is paperweight and a .380 isn't coming out the front at
a 1000fps.

cjboi · August 25th, 2010, 22:56

I read in some forum that it takes about 120 BB's with one fill with green gas. I changed my propane today, and I was about getting 90 BB's per fill in about 25 seconds count.

Kid · August 26th, 2010, 03:40

Quote:

Originally Posted by ShelledPants

No, it's because the bolt is paperweight and a .380 isn't coming out the front at
a 1000fps.

Yeah. That's the issue.

I meant recoil, not blowback.

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April 29th, 2010, 07:27	#1
shaire Trader rating Join Date: Apr 2010	KWA M11A1 Gas Capacity? I recently purchased a KWA MAC 11. Question: Does anyone know how long a full chamber of Green Gas should last? I can barely get through a clip of BBs before having to fill up again. And on full-auto...forget it, it lasts seconds! It's brand new, I don't think it's leaking, maybe discharging too much gas while shooting? Any thoughts...?

May 1st, 2010, 09:14	#3
Geoffrey B. Trader rating Join Date: May 2009 Location: Lunenburg, Nova Scoita	I can get 120rds in one fill. __________________ Primary- SRC G36K Secondary- KJW M1911A1 Backup-KWA M11A1

May 1st, 2010, 10:00	#4
Ballcancer Trader rating Join Date: Oct 2009 Location: Gravenhurst, ON	How long are you filling the magazine? I fill my pistol mags until they vent propane. I only ask because having used the KWA M11 I was able to get a full mag off in full auto and still have gas left over for another mag. And at 10 degrees you should be able to use full auto and have enough to empty the mag. __________________ Last edited by Ballcancer; May 1st, 2010 at 10:02..

April 29th, 2010, 08:11	#2
doc_pathfinders Trader rating Join Date: Dec 2009 Location: Cyprus	It depends on the ambient temperature to a large degree, if it's around 10 degrees (centigrade) i wouldn't be suprised you couldn't make it through a _magazine_ of bb's on full auto (which is more 'wasteful' in terms of gas) but on semi, you should last a full _magazine_.. how many shots per second are you firing while testing? if you're 'spamming the trigger' then that would also explain the poor performance. read up on the 'Ideal gas law' to understand the thermodynamics involved, but to put it simply, warm the _magazine_ or space out your shots to conserve the gas..

August 25th, 2010, 04:28	#5
cjboi Trader rating Join Date: Oct 2009 Location: manitoba	Im getting the same problem, Im gonna try new can of propane tomorrow. I already took the valve out and out some oil in it an tighten it with valve key. Hopefully it works with new can.

August 25th, 2010, 19:57	#6
Kid Trader rating Join Date: Feb 2005 Location: Moose Jaw, SK	You can't fill them until they vent because they don't vent, unlike TM mags. I can usually get a full mag fired on a full auto dump. However, it's going to be pretty low on gas near the end and it might start to struggle. On semi, with spaced out shots, you could realistically get two mags of BBs. My M11 is really fun. I just wish it had at least SOME blowback. How long are you filling for? On a nearly empty mag, I can fill for 10-12 seconds before I can't hear the gas going in anymore. Last edited by Kid; August 25th, 2010 at 20:00..

August 25th, 2010, 22:25	#9
Styrak Trader rating Join Date: Jan 2007 Location: Saskatoon, SK	Well that's because it fires from an open bolt. __________________ Airsoft Sales and Repair/Upgrade Services

August 25th, 2010, 22:56	#11
cjboi Trader rating Join Date: Oct 2009 Location: manitoba	I read in some forum that it takes about 120 BB's with one fill with green gas. I changed my propane today, and I was about getting 90 BB's per fill in about 25 seconds count.

KWA M11A1 Gas Capacity?

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