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Posted: 5/5/2020 4:40:59 PM EDT
[#1]
I'd like to see an option for Wilson Combat's 300 HAM'R. Sig makes brass for it, and helped get the cartridge SAAMI approved.
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Posted: 5/7/2020 10:39:27 PM EDT
[#2]
I guess the silence can be interpreted as a 'no'. Has anyone run across any aftermarket barrels in one of the calibers currently offered, or is everything Sig only at this point?
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Posted: 5/7/2020 10:51:58 PM EDT
[#3]
Its all Sig so far
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Posted: 5/8/2020 12:41:05 AM EDT
[#4]
With 5.56 and .300 BLK, I don't think Sig will do anything else like 7.62x39, 6.5 Grendel, .224 Valkyrie or the other newish calibers.
To go slightly off topic, when is Sig going to release the .40 S&W and .357 Sig barrels for the MPX line? |
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Posted: 5/8/2020 7:02:12 AM EDT
[#5]
I was in a similar search for my ACR years ago and currently have a working copy in 6.5G. You need a custom barrel and bolt, possibly a different weight action spring and you should be good. I'd try Marvin Pitts/Nefarious Arms as he does lots of custom work for the ACR crowd. I've had fine luck with metal 6.5 mags but while they fit in PMAGs they bulge them and dont feed well. This all may not have helped at all but maybe it gives you hope?
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Posted: 5/9/2020 12:48:23 AM EDT
[#6]
Quote HistoryOriginally Posted By tranzformer: To go slightly off topic, when is Sig going to release the .40 S&W and .357 Sig barrels for the MPX line? You just answered the question right there lol |
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Posted: 5/9/2020 5:20:28 PM EDT
[#7]
Quoted: You guys were most likely never aware, but Tromix was ready to roll out caliber conversion kits for the 556XI but shelved it at the last minute when Sig abandoned the platform. We had 300 Blackout barrels, 458 SOCOM barrels, Tromix 556 Bolts, charging handles, gas blocks, gas regulators, receiver holding fixtures, barrel wrenches, etc all for doing caliber conversions on the 556XI rifle. Here's a pic of a Tromix 458 SOCOM bolt along with a pair of 458 SOCOM 556XI rifles. Tony Rumore Tromix https://i.imgur.com/dtHOPHj.jpg?1 https://i.imgur.com/W65UheZ.jpg?1 Tony, anything in the works for the MCX? I'm only asking because it sounds like you were ready to go on the XI. |
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Posted: 5/9/2020 8:01:19 PM EDT
[#8]
Quote HistoryOriginally Posted By Blaster7R: You just answered the question right there lol It was kind of a rhetorical question on my part. lol Just seems when modular platforms come out (ARX, SCAR, MCX, 805 Bren....etc.) and promised caliber conversion kits don't usually come with them. At least LMT has done a great job offering various factory calibers and barrel lengths for their platform and still do today. Would be nice to see the same happen for the MCX and MPX. One of the draws to running these platforms is that ability. |
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Posted: 5/10/2020 1:06:28 AM EDT
[#9]
Quote HistoryOriginally Posted By tranzformer: It was kind of a rhetorical question on my part. lol Just seems when modular platforms come out (ARX, SCAR, MCX, 805 Bren....etc.) and promised caliber conversion kits don't usually come with them. At least LMT has done a great job offering various factory calibers and barrel lengths for their platform and still do today. Would be nice to see the same happen for the MCX and MPX. One of the draws to running these platforms is that ability. And now you can go have Dave Wilson MFG make you any LMT barrel you want.... Carbon Proof, 22lr, whatever you want. |
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Posted: 5/10/2020 9:47:39 AM EDT
[#10]
Quote HistoryOriginally Posted By JAG2955: This is what @TonyRumor posted in the Sig 556 thread. Tony, anything in the works for the MCX? I'm only asking because it sounds like you were ready to go on the XI. I asked this question some time ago on the 458socomforum. The answer was a no. |
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Posted: 5/10/2020 10:44:01 AM EDT
[#11]
Quote HistoryOriginally Posted By domestique1: And now you can go have Dave Wilson MFG make you any LMT barrel you want.... Carbon Proof, 22lr, whatever you want. Quote HistoryOriginally Posted By domestique1: Originally Posted By tranzformer: It was kind of a rhetorical question on my part. lol Just seems when modular platforms come out (ARX, SCAR, MCX, 805 Bren....etc.) and promised caliber conversion kits don't usually come with them. At least LMT has done a great job offering various factory calibers and barrel lengths for their platform and still do today. Would be nice to see the same happen for the MCX and MPX. One of the draws to running these platforms is that ability. And now you can go have Dave Wilson MFG make you any LMT barrel you want.... Carbon Proof, 22lr, whatever you want. That is true. There was also Marvin Pitts/Nefarious Arms that has also been doing LMT barrel conversions for some time. Hopefully someone in the industry will help support the MCX/MPX with aftermarket barrel options. |
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Posted: 5/10/2020 11:44:29 AM EDT
[#12]
A SBR 6.5 grendel would be great !
Dont think it will ever happen knowing SIG.. but I would buy one |
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Posted: 5/10/2020 12:18:10 PM EDT
[#13]
Quote HistoryOriginally Posted By Blaster7R: A SBR 6.5 grendel would be great ! Dont think it will ever happen knowing SIG.. but I would buy one I'd be all over a 12" 6.5 Grendel barrel for my MCX, whether Sig or aftermarket offers it. Suppressed 12" 6.5 Grendel is a great all around option. |
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Posted: 5/10/2020 1:29:55 PM EDT
[#14]
What happened to the 7.62x39 factory conversions that we were so excited about just a couple of months ago??
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Posted: 5/10/2020 1:39:55 PM EDT
[#15]
Unfortunately I think with SIG’s track record of constant changes, updates, non-reverse compatible designs, and dumping products on a dime no one in the aftermarket wants to take the risk.
 Sven Manticore Arms |
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Posted: 5/11/2020 6:01:03 AM EDT
[#16]
Quote HistoryOriginally Posted By Manticore_Arms: Unfortunately I think with SIG’s track record of constant changes, updates, non-reverse compatible designs, and dumping products on a dime no one in the aftermarket wants to take the risk. Sven Manticore Arms Kind of this, While i think that today's sig is on a much better path than the Sig from 10 years ago, this is still something that i am sure effects aftermarket support to some level. With that being said, I think that as the MCX gains adoption, especially in the MIL/LE word, Sig is going to be almost forced to maintain support for MCX/MPX lineup |
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