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Posted: 5/4/2017 4:08:01 PM EDT
I noticed CMMG has put out a new AR in 45ACP that takes Glock 21 mags. Does anyone have any hands on experience with these yet? Could be an interesting little toy, even though it is pricey and only a blowback instead of DI.
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I'll bite....what is Radial Delayed Blowback?
How does it compare to DI? How does it compare to blowback? Are there ammo/chamber pressure envelopes which require hot or cold ammo? Always like to see innovation. Thanks for taking the time to develop and release something different. Best of luck to you on this endeavor. |
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That's Amazing, All I can say is you are going to sell a lot of these.
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Thank you for explaining the RDB action. I find it intriguing. With the popularity of 9mm AR's, I'm wondering if you are considering to adapt this action to 9mm. My AR9 is heavy compared to my AR15s, and this design looks like it would allow me to lighten it up a lot (maybe a whole pound). Looks like you solved a lot of issues with blowback PCC guns. Any plans for a Mk9-RDB? I would be very interested if I could retrofit my QC10 Colt pattern AR with your RDB BCG and barrel.
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Thank you for explaining the RDB action. I find it intriguing. With the popularity of 9mm AR's, I'm wondering if you are considering to adapt this action to 9mm. My AR9 is heavy compared to my AR15s, and this design looks like it would allow me to lighten it up a lot (maybe a whole pound). Looks like you solved a lot of issues with blowback PCC guns. Any plans for a Mk9-RDB? I would be very interested if I could retrofit my QC10 Colt pattern AR with your RDB BCG and barrel. View Quote |
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As I mentioned in the GD thread.
9mm, FA capable upper that works with standard lowers (with mag block). Make it and I'll buy one immediately. |
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Kudos to CMMG.
Frankly, I think CMMG is the most innovative AR company out there. Numerous well thought out products. Now... if I could just convince CMMG to make a mid-sized .223 / 5.56 AR action ( Between the .308 and .223 ) that would allow 80gr .224 bullets to be seated out to 2.550, and still be magazine fed... It could really shine with a .22 Nosler.... Lol |
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Will this absolutely require your lower? I ask since I have several lowers that are approved SBRs. I don't really want another SBR, especially if it will only be used with a single upper.
Ok. Fine the main reason is 41p. Then I'll have to get the wife involved. That'll cost me more diamonds or a purse. |
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Will this absolutely require your lower? I ask since I have several lowers that are approved SBRs. I don't really want another SBR, especially if it will only be used with a single upper. Ok. Fine the main reason is 41p. Then I'll have to get the wife involved. That'll cost me more diamonds or a purse. View Quote |
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We have only tested with our lower. The carrier is a standard 556 (with exception of cam pin path) and the bolt and extension are standard 556 in size. I am sure it would be possible for our upper to be adapted to a different mag set up, we just haven't tried it. View Quote Please try to adapt it. I'd love to put it on my RR. How does it behave in full auto and / or suppressed? Does the delayed action help? |
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Runs great suppressed. If you search cmmg guard on youtube, there are several reveiws that have been posted. A couple of them go into detail about how it runs suppressed.
We haven't done a FA version yet. I suspect we will have one in the next couple weeks. NRA show had us pretty busy lately. |
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Thank goodness. I really didnt want to get a Kriss Vector 45 to go with my glock 41. Pocketbook does not thank you as much.
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Lovely, now I have to decide which of my kids gets sold for medical testing. I guess I could sell off a gun instead.
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With all due respect, this rotary lock design is reminiscent of the ill fated Colt 2000.
Link: https://en.wikipedia.org/wiki/Colt_2000 Best of luck! |
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Is the buffer a standard carbine buffer or something heavier? Have you tried any of the shorter PDW stocks? View Quote CMMG Guard .45 ACP Glock Carbine CMMG 45ACP Banshee (Guard): AR-15 Carbine In 45 ACP That Takes Glock Mags (HD) CMMG 45 Guard Review CMMG MkG Guard 45 ACP AR 15 Carbine Review CMMG 45 Banshee |
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Will this absolutely require your lower? I ask since I have several lowers that are approved SBRs. I don't really want another SBR, especially if it will only be used with a single upper. Ok. Fine the main reason is 41p. Then I'll have to get the wife involved. That'll cost me more diamonds or a purse. View Quote |
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Just curious what is the highest capacity 45 glock mag? View Quote I have two and they work fine in my G21, though it'll take a few cycles before they'll hold 25. 24 go in right from the initial install though, so 25 with one in the chamber. |
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Rifle and pistols are scheduled to begin shipping out on Tuesday. Here is short vid near the end of our first day of endurance testing. This video was taken about the 7000 round mark.
Failed To Load Title Engineer's trigger finger at the end of the day lol Most current info Here |
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I just have 2 words for ya...
Left Handed! (please) You guys at CMMG are (I believe) the real innovators of the Left Handed AR: You had the modular reversible uppers You had the Left Handed piston kit that went to $tag and now no longer exists You had the first LH 22 conversion kit - That went to $tag. I have a dedicated 22 upper using one of your LH 22 barrels You quietly danced around the LH 9mm AR by having an INGENIOUS reversible ejector in your lowers - You guys never did anything with it though. I did however... :) All that - and now I'm hoping that whether quietly or loudly, you offer those of us who PREFER (not need) not to have a face full of gas when shooting a PCC, especially suppressed, a Left handed 45 acp upper / rifle option so I can add it to my double-digit collection of Left Handed ARs. Thank you |
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I just want the bolt, barrel and carrier, honestly.
In 9mm, too. |
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With the release of our 45acp, its time to switch gears and begin adapting to other calibers. I sure like when the first day of testing begins like this.Care to guess the caliber??
CMMG Testing a new caliber |
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Well, they're shipping. A friend of mine in Austin, Tx got their order in yesterday at the gun shop he works at.
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I will diverge from the crowd and guess 40... it makes more sense than putting out a new product that is a 100% competitor to an existing product.
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I really like the idea of this system, but did you have to use Glock mags....
Other than that, great idea. When I watched the videos a couple months ago, I was pretty impressed actually. And as jaded as I am, thats a good thing. I hope you can get a 10mm version of this out there as well as more common calibers like 9 and 40. |
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I'm super impressed. Straight blow backs kick hard, and DI has it's own problems.
I'm assuming buying the .45 is the fastest route to getting 10mm and 9mm versions of the gun. At least, I think that's what I'll tell myself the first time I see one of these in a local shop and ask to touch it. My favorite review is the guy with his pig and 4 wheeler. I don't know if his energy level is natural, or caffeine induced, but that was a fun video. |
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I'm super impressed. Straight blow backs kick hard, and DI has it's own problems. I'm assuming buying the .45 is the fastest route to getting 10mm and 9mm versions of the gun. At least, I think that's what I'll tell myself the first time I see one of these in a local shop and ask to touch it. My favorite review is the guy with his pig and 4 wheeler. I don't know if his energy level is natural, or caffeine induced, but that was a fun video. View Quote |
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I would certainly defer to your experience, and I appreciate you sharing it.
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It's all relative...I have a customer with a prototype 357 sig that loves to shoot it...I find it to be downright unpleasant............LOL....fortunately with new products it just gives the consumer more choices and keeps those of us making them searching for new innovations to make our offerings better.
With the number of gun owners/shooters in this country...I don't think any of us are gonna starve...... |
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While I can't go into specifics or timelines, I will say we are currenly adapting 7 additional calibers. PCC ethusiasts are going to love what we have coming out. View Quote View All Quotes View All Quotes Quoted:
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What's new with the CMMG Guard? As you've indicated, I'd think that versions of the compound, helical inclined plane lost motion device as implemented in the Guard would be readily adaptable to many pistol caliber carbine applications. As with any business venture, the cost versus benefit when compared to the alternatives will ultimately determine the level of success of the products. I do suggest that before the next set of extended test fire sessions you buy your test engineer a pair of gloves. Best of luck with your enterprise. MHO, YMMV, etc. |
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I would love to be able to build up a version that is in 9mm that takes colt mags. An then later a version in 10mm!
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I'd have to imagine they're going to stick to the Glock mag pattern lower, but I could be wrong.
Just seems like an easier plug and play scenario if the mag angle is staying the same. |
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