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Originally Posted By DetroitSounds: Not sure why the short rails on the longer models though. View Quote Yup, I mentioned this very early on in the thread. I'm not a fan of how much of the barrels are exposed near the muzzle on the 14.5" and 16" uppers. Hopefully we'll see some more rail lengths soon, like 13.5" and 15". I'm sure the guys running 12.5" barrels would like an 11.5" rail, too. |
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I finally received my DDM4A1 RIII upper back for the second time from DD. Instead of replacing the rail, they REINSTALLED the old hanger bracket with new rivets. They even left the marks from where my screws were making contact with the bracket itself.
I will not be sending this back a third time. |
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Well, I just ordered a new MK18 RIII from EuroOptic this morning which was far and away the best price I could find, even accounting for sales tax and my local shop’s transfer fee. Definitely looking forward to getting my first factory-built AR and dipping my toes into the NFA world (should go nicely with the Sierra 5 I’ve also got in the pipeline).
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"When you call the cops to raise your kids, don't be surprised when they try to pack 20 years into 5 minutes." -RealFastV6
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Originally Posted By SkyCatII: Well, I just ordered a new MK18 RIII from EuroOptic this morning which was far and away the best price I could find, even accounting for sales tax and my local shop’s transfer fee. Definitely looking forward to getting my first factory-built AR and dipping my toes into the NFA world (should go nicely with the Sierra 5 I’ve also got in the pipeline). View Quote Nice! I’ve noticed they have good prices on DD. It’s too bad the form 4 for a factory SBR will be a long wait. Upside you won’t have to engrave it. |
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Originally Posted By Diesel1979: Nice! I’ve noticed they have good prices on DD. It’s too bad the form 4 for a factory SBR will be a long wait. Upside you won’t have to engrave it. View Quote Yeah, the whole Form 4 wait time has me almost regretting these purchases. I know I’ll be happy once the paperwork clears, but the wait is going to be horrible… and I’m not a patient person. |
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"When you call the cops to raise your kids, don't be surprised when they try to pack 20 years into 5 minutes." -RealFastV6
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Anyone seen photos of a 13.7 barrel with the 12.5?
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Does anyone have pics of a RIS lll FSP?
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Originally Posted By manticore: From Reddit. https://preview.redd.it/rxf0rz889hwa1.png?width=2880&format=png&auto=webp&v=enabled&s=97f94facb5b31ffd0e7b57be5b02ae28edc39880 https://preview.redd.it/njfxg68n8hwa1.png?width=2880&format=png&auto=webp&v=enabled&s=901f81ecdd1cf5083e9fbfba4d9274a382b0a13d View Quote View All Quotes View All Quotes Originally Posted By manticore: Originally Posted By Darkside3117: Does anyone have pics of a RIS lll FSP? From Reddit. https://preview.redd.it/rxf0rz889hwa1.png?width=2880&format=png&auto=webp&v=enabled&s=97f94facb5b31ffd0e7b57be5b02ae28edc39880 https://preview.redd.it/njfxg68n8hwa1.png?width=2880&format=png&auto=webp&v=enabled&s=901f81ecdd1cf5083e9fbfba4d9274a382b0a13d Damn that’s a gorgeous build! I might have to make one. Thank you, Manticore. |
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Originally Posted By OlacAttack: From /u/Debas3r11 on Reddit. I didn't know I needed a flip up FSP block. Looks like he had to chop part of the rail to make it fit tho. https://i.imgur.com/6as6Sd1.jpg View Quote View All Quotes View All Quotes Originally Posted By OlacAttack: Originally Posted By Darkside3117: Does anyone have pics of a RIS lll FSP? From /u/Debas3r11 on Reddit. I didn't know I needed a flip up FSP block. Looks like he had to chop part of the rail to make it fit tho. https://i.imgur.com/6as6Sd1.jpg I gotta admit that looks sweet. It makes me want to put mine on my AR9 lower with the Q stock. |
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Who wants to be my friend?
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Has anyone confirmed the weight difference between the 12” RIII vs the 12” RII?
Reading the specs on the website, it’s only about a 1 oz difference. Is the RIII just thicker? Seems like like a lot of material gets cut going from picatinny to mlok. I’d expect more than ~1 oz. |
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Originally Posted By waddlingweezol: Has anyone confirmed the weight difference between the 12” RIII vs the 12” RII? Reading the specs on the website, it’s only about a 1 oz difference. Is the RIII just thicker? Seems like like a lot of material gets cut going from picatinny to mlok. I’d expect more than ~1 oz. View Quote I believe I posted the weights in here. Let me know if you don't find it. |
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Quick question:
Is there any issues with running a lo pro gas block with mid length barrel under the 12" RIS III? I just came upon some comments from a while back that some people were having issues fitting a lo pro gas block under 12" RIS II's with mid length gas systems. I know the RIS II and III share a lot of similarities, but was anything done accommodate mid length barrels on the RIS III? From reading around, it seems like it depended on the gas blocks themselves, but they were having interference issues with the M203 brackets. |
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Originally Posted By waddlingweezol: Quick question: Is there any issues with running a lo pro gas block with mid length barrel under the 12" RIS III? I just came upon some comments from a while back that some people were having issues fitting a lo pro gas block under 12" RIS II's with mid length gas systems. I know the RIS II and III share a lot of similarities, but was anything done accommodate mid length barrels on the RIS III? From reading around, it seems like it depended on the gas blocks themselves, but they were having interference issues with the M203 brackets. View Quote A mid length barrel with a low pro gas block will fit. The M203 hangers can swing forward out of the way and don't need to be removed. A mid length barrel with a really low pro gas block like the pinned DD will allow mounting of an M203. |
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Thanks guys ^
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Anyone have a pic of a 14.5" urgi vs 14.5" ris III setup? I'm considering making a mock setup after I make my block 1 setup to go along with my Block 1 &2
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Don't ever think the reason I am peaceful is because I forgot how to be violent
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Originally Posted By Venomous72: Still need a light but am loving this so far. https://imgur.com/a/F3tR1p1 View Quote |
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Who got the best price on these? Just shy of $500 for the FSP is a chunk!
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Originally Posted By Toothpicksandkatchup: Who got the best price on these? Just shy of $500 for the FSP is a chunk! View Quote Battlehawk armory has the black fsp for 398 once added to cart. Europptic is 425 if you have mil discount it goes down to 412. Eurooptic has fde as well same price |
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Don't ever think the reason I am peaceful is because I forgot how to be violent
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Originally Posted By tarheel7734: Battlehawk armory has the black fsp for 398 once added to cart. Europptic is 425 if you have mil discount it goes down to 412. Eurooptic has fde as well same price View Quote View All Quotes View All Quotes Originally Posted By tarheel7734: Originally Posted By Toothpicksandkatchup: Who got the best price on these? Just shy of $500 for the FSP is a chunk! Battlehawk armory has the black fsp for 398 once added to cart. Europptic is 425 if you have mil discount it goes down to 412. Eurooptic has fde as well same price Awesome appreciate it! |
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Got a notice that Brownells has them in stock today.
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Who wants to be my friend?
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Will RIS III be available in 13.5"?
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Don't ever think the reason I am peaceful is because I forgot how to be violent
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Originally Posted By tarheel7734: No. The 13" fsb is the longest. They are offered in the same 3 sizes as the Ris II. View Quote Four sizes with RIS III: The 10.5" RIS III has no equivalent in the RIS II line (maybe the RIS II GL/SSC, but that was longer). I'm still confused as to why the M4A1 RIS III FSP is 13.0", when the regular M4A1 RIS III is still 12.5" (just like its predecessor). Both versions of the M4A1 RIS II were also only 12.5". |
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Originally Posted By VigilantPanda15: Four sizes with RIS III: The 10.5" RIS III has no equivalent in the RIS II line (maybe the RIS II GL/SSC, but that was longer). I'm still confused as to why the M4A1 RIS III FSP is 13.0", when the regular M4A1 RIS III is still 12.5" (just like its predecessor). Both versions of the M4A1 RIS II were also only 12.5". View Quote The M4A1 RIS II and RIS III 12.5 are sized to work with barrels that are 13.1" or longer OR on a rifle with a rifle length gas system (M16 or MK12). With the design of the RIS III 13.0 FSP, we added a little bit of length to allow for one additional picatinny slot forward of the front sight base. This handguard is compatible with carbine length FSB barrels that are 13.7" or longer. The RIS III 9.5 is sized for carbine length gas system barrels that are 10.3" or longer while the RIS III 10.5 is sized for carbine length gas system barrels that are 11.5" or longer. At this time, we do not have a GL/SSC Length RIS III. But I think we all want to see that become a reality at some point. |
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Joe Marler
Daniel Defense Law Enforcement Sales Manager |
Don't forget there was a mk18 fsb version as well.
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Don't ever think the reason I am peaceful is because I forgot how to be violent
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Originally Posted By Marler5811: The M4A1 RIS II and RIS III 12.5 are sized to work with barrels that are 13.1" or longer OR on a rifle with a rifle length gas system (M16 or MK12). With the design of the RIS III 13.0 FSP, we added a little bit of length to allow for one additional picatinny slot forward of the front sight base. This handguard is compatible with carbine length FSB barrels that are 13.7" or longer. The RIS III 9.5 is sized for carbine length gas system barrels that are 10.3" or longer while the RIS III 10.5 is sized for carbine length gas system barrels that are 11.5" or longer. At this time, we do not have a GL/SSC Length RIS III. But I think we all want to see that become a reality at some point. View Quote Ah, got it, that makes sense. I didn't realize that with the M4A1 RIS III, you guys were still trying to preserve the original RIS II design goal of enabling compatibility with rifle-length gas systems. (Something that obviously wouldn't be necessary or feasible with the RIS III FSP.) I do agree that a GL/SSC-length RIS III would make sense given the recent resurgence in popularity of 12.5"-barreled ARs. Though I also think many folks would love to see the RIS II GL/SSC itself return to production... |
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"Oh Lord, Thou knowest how busy I must be this day. If I forget Thee, do not thou forget me"
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"Headed down South to the Land of the Pines"
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Originally Posted By Marler5811: The M4A1 RIS II and RIS III 12.5 are sized to work with barrels that are 13.1" or longer OR on a rifle with a rifle length gas system (M16 or MK12). With the design of the RIS III 13.0 FSP, we added a little bit of length to allow for one additional picatinny slot forward of the front sight base. This handguard is compatible with carbine length FSB barrels that are 13.7" or longer. The RIS III 9.5 is sized for carbine length gas system barrels that are 10.3" or longer while the RIS III 10.5 is sized for carbine length gas system barrels that are 11.5" or longer. At this time, we do not have a GL/SSC Length RIS III. But I think we all want to see that become a reality at some point. View Quote Any updates on GL/SSC RIS III? |
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Joe Marler
Daniel Defense Law Enforcement Sales Manager |
Anyone have pics of a 13.7" or 13.9" barrel with a 12.5" RIS III?
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Don't ever think the reason I am peaceful is because I forgot how to be violent
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Originally Posted By 871JZ: Anyone have pics of a 13.7" or 13.9" barrel with a 12.5" RIS III? View Quote @871JZ 13.4" on an M4A1 RIS II FSP: Attached File I still have 2 barrels this length in the parts bin but don't have this setup anymore. |
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I really wish DD would offer a factory direct 13.7 option, I understand why they do not. Still would be nice.
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Originally Posted By pezboytate: @871JZ 13.4" on an M4A1 RIS II FSP: https://www.ar15.com/media/mediaFiles/138579/13_4_png-3113764.JPG I still have 2 barrels this length in the parts bin but don't have this setup anymore. View Quote @pezboytate Very nice! Does the RIS III (non-FSP) measure 12.25" or 12.5"? I know they're marked 12.5", but I thought I saw the DD rep state they were the same length as the RIS II, which I thought were 12.25" long. It would seem that they would have to be the same length in order for the RIS II bottom rail to fit on the RIS III, correct? Originally Posted By ngc1300: I really wish DD would offer a factory direct 13.7 option, I understand why they do not. Still would be nice. View Quote Why is it that you believe they don't offer it? I'd love to buy a factory DD 13.7" midlength gas barrel. I don't run nitrided barrels and there's nearly zero 13.7" chrome-lined options out there. Noveske offers a 13.7" chrome-lined "Infidel" barrel, but I'm not spending $510 on it. I can buy a DD 14.5" midlength lightweight profile barrel for half that price ($266) and have it cut down and rethreaded, while saving roughly $150 and ending up with what I consider to be just as nice a barrel. PSA also offers their "Sabre" barrel separately for $299. It's an FN CHF chrome-lined midlength barrel, which checks all my boxes, except it's government profile. I'm trying to move away from that profile these days, whenever possible. Even in the 13.9" variety, there's only a few chrome-lined options. I've been looking for a 13.7" or 13.9" barrel with a midlength FSB, but I can't find one that isn't nitrided. |
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I'm waiting for EuroOptic to get more 12.5" non-FSP RIS III's in stock. They have black available now, but I wanted FDE and those just went out of stock. I should have ordered one a week or so ago. With the LEO/MIL discount, you can't beat their price of $389 shipped.
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Originally Posted By 871JZ: @pezboytate Very nice! Does the RIS III (non-FSP) measure 12.25" or 12.5"? I know they're marked 12.5", but I thought I saw the DD rep state they were the same length as the RIS II, which I thought were 12.25" long. It would seem that they would have to be the same length in order for the RIS II bottom rail to fit on the RIS III, correct? Why is it that you believe they don't offer it? I'd love to buy a factory DD 13.7" midlength gas barrel. I don't run nitrided barrels and there's nearly zero 13.7" chrome-lined options out there. Noveske offers a 13.7" chrome-lined "Infidel" barrel, but I'm not spending $510 on it. I can buy a DD 14.5" midlength lightweight profile barrel for half that price ($266) and have it cut down and rethreaded, while saving roughly $150 and ending up with what I consider to be just as nice a barrel. PSA also offers their "Sabre" barrel separately for $299. It's an FN CHF chrome-lined midlength barrel, which checks all my boxes, except it's government profile. I'm trying to move away from that profile these days, whenever possible. Even in the 13.9" variety, there's only a few chrome-lined options. I've been looking for a 13.7" or 13.9" barrel with a midlength FSB, but I can't find one that isn't nitrided. View Quote IIRC; the M4A1 RIS II, M4A1 RIS II FSP, and 12.5" RIS III are 12.6" from the front of the receiver but I will check later tonight. |
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All these pics of folks' RIII builds is making me want to go out and get one. Sadly, since I now live in MD, I'd have to buy the rail and receiver separate from DD and assemble around an MD-compliant "heavy" barrel, which will probably add to the cost.
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Originally Posted By VigilantPanda15: All these pics of folks' RIII builds is making me want to go out and get one. Sadly, since I now live in MD, I'd have to buy the rail and receiver separate from DD and assemble around an MD-compliant "heavy" barrel, which will probably add to the cost. View Quote what exactly does this heavy barrel thing consist of? |
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Originally Posted By pezboytate: IIRC; the M4A1 RIS II, M4A1 RIS II FSP, and 12.5" RIS III are 12.6" from the front of the receiver but I will check later tonight. View Quote View All Quotes View All Quotes Originally Posted By pezboytate: Originally Posted By 871JZ: @pezboytate Very nice! Does the RIS III (non-FSP) measure 12.25" or 12.5"? I know they're marked 12.5", but I thought I saw the DD rep state they were the same length as the RIS II, which I thought were 12.25" long. It would seem that they would have to be the same length in order for the RIS II bottom rail to fit on the RIS III, correct? Why is it that you believe they don't offer it? I'd love to buy a factory DD 13.7" midlength gas barrel. I don't run nitrided barrels and there's nearly zero 13.7" chrome-lined options out there. Noveske offers a 13.7" chrome-lined "Infidel" barrel, but I'm not spending $510 on it. I can buy a DD 14.5" midlength lightweight profile barrel for half that price ($266) and have it cut down and rethreaded, while saving roughly $150 and ending up with what I consider to be just as nice a barrel. PSA also offers their "Sabre" barrel separately for $299. It's an FN CHF chrome-lined midlength barrel, which checks all my boxes, except it's government profile. I'm trying to move away from that profile these days, whenever possible. Even in the 13.9" variety, there's only a few chrome-lined options. I've been looking for a 13.7" or 13.9" barrel with a midlength FSB, but I can't find one that isn't nitrided. IIRC; the M4A1 RIS II, M4A1 RIS II FSP, and 12.5" RIS III are 12.6" from the front of the receiver but I will check later tonight. Yep, 12.575" |
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Originally Posted By brodband8: what exactly does this heavy barrel thing consist of? View Quote According to Maryland State Policy: Either has to be marked as heavy, or just marketed by the OEM as heavy. My DD M4A1 now has a DD SOCOM barrel (had an M4 GOV barrel when I bought it) because that's a "heavy" barrel according to both DD and the USG's TDP for the M4A1. My BCM mid-length, meanwhile, has a medium-weight barrel that's almost identical to the barrel that came with the upper when I bought it (in VA), but is marked "HB" to comply with Marylandistan's BS law. |
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Originally Posted By pezboytate: IIRC; the M4A1 RIS II, M4A1 RIS II FSP, and 12.5" RIS III are 12.6" from the front of the receiver but I will check later tonight. View Quote Originally Posted By pezboytate: Yep, 12.575" View Quote Awesome! Thanks for checking on it. |
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