CMMG Upper: Mid-length vs Carbine - XDTalk Forums - Your HS2000/SA-XD Information Source!

xjedix · 04-22-2008, 10:56 PM

Hey Guys,

I am looking into getting a CMMG 14.5" lightweight upper and wanted to get some thoughts on the gas system. What are the pros and cons of the mid-length gas system vs the shorter carbine length gas system other then sight radius?? Are there any noticeable differences in weight, recoil or reliability??

PS: Does anyone have experience with CMMG product?? Any thoughts on it??

Thanks,

-Derek

Kent · 04-22-2008, 11:11 PM

The next upper I buy I plan on getting a CMMG 18" midlength.

Reno82 · 04-22-2008, 11:34 PM

What are you going to do with it? Range bunnies... kill zombies.... HD??

xjedix · 04-23-2008, 12:03 AM

It will be just a general range gun but will be kept on hand for any potential zombie invasions.

The goal is to keep it as light and reliable as possible.

PS: I just bought a brand new Rock River lightweight M4 last week that I am considering selling to buy the CMMG. I love Rock River stuff; am I crazy to even be looking to replace it with a CMMG just to be 1.5" shorter and possibly a mid-length??

-Derek

JBHorne · 04-23-2008, 01:09 AM

I would go with the midlength on a 16", but for 14.5" it may look kinda funny. The CAR length is supposedly harsher on the system, but I think the midlength in this case is just a solution to a non-existent problem.

EDIT: Also at 16" you can have a removable FS while at 14.5 you cannot. It must have at least a 1.5" FS welded onto it without getting an NFA tax-stamp.

BOSS302 · 04-23-2008, 01:12 AM

keep the RRA in my opinion.

GaryXD · 04-23-2008, 06:20 PM

No doubt in my mind............14.5" midlength is the way to go.

bigun · 04-24-2008, 02:37 AM

Midlength-it makes the recoil impulse feel like a full sized rifle plus I'm not burning my finger on the front sight base like I do with M4 length gas systems. CMMG has a good reputation in the AR world so why not. My Armalite Middy is my favorite rifle.

rogerxd45 · 04-24-2008, 09:21 AM

i have an 18" cmmg and it has been great. my next ar will be a CMMG also.

i would recommend getting as long of a gas system as possible. the longer systems seem to be more reliable

View Poll Results: What upper would you get???
Mid-length	15	53.57%
Carbine length	13	46.43%
Voters: 28. You may not vote on this poll

04-22-2008, 10:56 PM	#1
xjedix XDTalk 500 Member Join Date: Dec 2006 Location: Arizona Posts: 650	CMMG Upper: Mid-length vs Carbine Hey Guys, I am looking into getting a CMMG 14.5" lightweight upper and wanted to get some thoughts on the gas system. What are the pros and cons of the mid-length gas system vs the shorter carbine length gas system other then sight radius?? Are there any noticeable differences in weight, recoil or reliability?? PS: Does anyone have experience with CMMG product?? Any thoughts on it?? Thanks, -Derek Last edited by xjedix : 04-22-2008 at 10:58 PM.

04-22-2008, 11:11 PM	#2
Kent XDTalk 2K Member Join Date: Dec 2005 Location: SW Missouri Posts: 2,958	The next upper I buy I plan on getting a CMMG 18" midlength. __________________ "When the government fears the people, there is liberty. When the people fear the government, there is tyranny." -- unknown

04-22-2008, 11:34 PM	#3
Reno82 XDTalk 1K Member Join Date: Jun 2007 Location: Alaska Posts: 1,158	What are you going to do with it? Range bunnies... kill zombies.... HD?? __________________ *** XD-45acp Service (Match Gun I changed it to a compact for CCW... did a grip chop on it) Ruger Mark III 22/45 Kimber SS Custom Target II 10mm Walther G22 (FUN GUN) XD-45acp Tactical (Match Gun II; upgraded the bbl from PistolGear) XD-9 Sub-Compact (Home Defense and CCW) DPMS AR-15: 9mm (1/17/08...) RRA CAR A4 Upper 223/5.56---did a lower bulid 6/3/08 and bought completed upper 2/21/08 S&W 642 38 special w/ CT grips (Home Defense & CCW) in order of purchases**

04-23-2008, 12:03 AM	#4
xjedix XDTalk 500 Member Join Date: Dec 2006 Location: Arizona Posts: 650	It will be just a general range gun but will be kept on hand for any potential zombie invasions. The goal is to keep it as light and reliable as possible. PS: I just bought a brand new Rock River lightweight M4 last week that I am considering selling to buy the CMMG. I love Rock River stuff; am I crazy to even be looking to replace it with a CMMG just to be 1.5" shorter and possibly a mid-length?? -Derek Last edited by xjedix : 04-23-2008 at 12:06 AM.

04-23-2008, 01:09 AM	#5
JBHorne XDTalk 1K Member Join Date: Nov 2007 Location: Tucson, AZ Posts: 1,000	I would go with the midlength on a 16", but for 14.5" it may look kinda funny. The CAR length is supposedly harsher on the system, but I think the midlength in this case is just a solution to a non-existent problem. EDIT: Also at 16" you can have a removable FS while at 14.5 you cannot. It must have at least a 1.5" FS welded onto it without getting an NFA tax-stamp. __________________ I WOULD RATHER BE JUDGED BY 12 THAN CARRIED BY 6

04-23-2008, 01:12 AM	#6
BOSS302 XDTalk Member Join Date: Mar 2008 Location: Metairie, LA Posts: 67	keep the RRA in my opinion. __________________ XD .45 ACP Service Glock 19 9mm R870P 12ga Ruger SP101 .357 Mag And too many others to list, I've been told I have a problem.

04-23-2008, 06:20 PM	#7
GaryXD XDTalk 100 Member Join Date: May 2006 Location: Corvette City Posts: 151	No doubt in my mind............14.5" midlength is the way to go.

04-24-2008, 02:37 AM	#8
bigun XDTalk 2K Member Join Date: Jul 2005 Location: Southern Iowa Posts: 2,561	Midlength-it makes the recoil impulse feel like a full sized rifle plus I'm not burning my finger on the front sight base like I do with M4 length gas systems. CMMG has a good reputation in the AR world so why not. My Armalite Middy is my favorite rifle. __________________ Remington Rand 1911A1, Kimber Pro CDP 2, Kimber Custom Target, Ruger mark2 Govt model with Bushnell Holo site, Beretta 92D 9mm, Kahr K-40, Coming soon Kimber Warrior or Springfield Operator.

04-24-2008, 09:21 AM	#9
rogerxd45 XDTalk 3K Member Join Date: May 2007 Location: boise ID (its boy-see, not boy-z) Posts: 3,592	i have an 18" cmmg and it has been great. my next ar will be a CMMG also. i would recommend getting as long of a gas system as possible. the longer systems seem to be more reliable

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