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Talk:SIG-Sauer MCX: Difference between revisions
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:Regarding the 9" Spear and the 14.5" Spear LT, they are military/LE versions shown in the following catalogs: [https://www.sigsauer.com/dsg] and [https://www.sigsauer.com/ausa-2022-sig-spear]. When the Raptor (the shorter-barreled version of the Spear) was announced two years ago, some sources were claiming that it has an 8" barrel, but the newer links that I just provided indicate 9 – rightfully, since it does look like a 9" barrel rather than 8. As for the 10.5" barrel on the LT, it was seen on [https://www.reddit.com/r/SigSauer/comments/w0jsuq/sig_says_before_the_end_of_year_for_gen_3_mcx/ this prototype], though I don't know if it's being used on current production models. --[[User:Ultimate94ninja|Ultimate94ninja]] ([[User talk:Ultimate94ninja|talk]]) 18:44, 16 August 2023 (UTC) | :Regarding the 9" Spear and the 14.5" Spear LT, they are military/LE versions shown in the following catalogs: [https://www.sigsauer.com/dsg] and [https://www.sigsauer.com/ausa-2022-sig-spear]. When the Raptor (the shorter-barreled version of the Spear) was announced two years ago, some sources were claiming that it has an 8" barrel, but the newer links that I just provided indicate 9 – rightfully, since it does look like a 9" barrel rather than 8. As for the 10.5" barrel on the LT, it was seen on [https://www.reddit.com/r/SigSauer/comments/w0jsuq/sig_says_before_the_end_of_year_for_gen_3_mcx/ this prototype], though I don't know if it's being used on current production models. --[[User:Ultimate94ninja|Ultimate94ninja]] ([[User talk:Ultimate94ninja|talk]]) 18:44, 16 August 2023 (UTC) | ||
::There is also another barrel option for the LT shown [https://soldiersystems.net/2022/10/24/sneak-peek-sig-sauers-hunter-project-rifle-for-uk-ranger-regiment/ here]. The length isn't specified, but from the looks of it, it could be something around 12.5" --[[User:Ultimate94ninja|Ultimate94ninja]] ([[User talk:Ultimate94ninja|talk]]) 18:56, 16 August 2023 (UTC) | ::There is also another barrel option for the LT shown [https://soldiersystems.net/2022/10/24/sneak-peek-sig-sauers-hunter-project-rifle-for-uk-ranger-regiment/ here]. The length isn't specified, but from the looks of it, it could be something around 12.5" --[[User:Ultimate94ninja|Ultimate94ninja]] ([[User talk:Ultimate94ninja|talk]]) 18:56, 16 August 2023 (UTC) | ||
:::On another note, I don't think that the MCX was developed from the LVAW (like you added in the page), but the other way around. [https://defensereview.com/sig-sauer-mcx-mission-configurable-weapon-system-dual-pistonop-rod-5-56x45mm-nato-and-7-62x39mm-russian-ar-15-with-integral-suppressor-introduced-at-ndia-sofic-2013-photos/ These] are the early MCX prototypes introduced in 2013 (apparently known as [https://soldiersystems.net/2013/05/16/sofic-sig-sauer-halo/ HALO] at some point), and the MCX LVAW variant was unveiled a [https://defensereview.com/suppressed-sig-mcx-300-blackout-300blk-assault-sbrpdw-short-barreled-riflepersonal-defense-weapon-fired-on-full-auto-and-semi-auto-with-subsonic-and-supersonic-ammo-during-sig-sauer-new-media-wr/ year] [https://soldiersystems.net/2014/05/20/sofic-2014-sig-mcx/ later]. --[[User:Ultimate94ninja|Ultimate94ninja]] ([[User talk:Ultimate94ninja|talk]]) 20:51, 7 September 2023 (UTC) | |||
Revision as of 20:51, 7 September 2023
Additional Images
Discussion
MCX upper on AR lower
Can an MCX upper be safely fired on a standard AR carbine lower without using the folding stock adapter? I.E., if I pulled the upper off my 6920 and put an MCX upper on, it won't explode or something on the first round? I was reading a thread on AR15.com about this "hybrid" combination where one user spoke against doing so without elaborating, but since the thread has been dead for two years, I doubt he's coming back to do so any time soon. Spartan198 (talk) 19:50, 10 May 2021 (EDT)
- https://www.thetruthaboutguns.com/gear-review-sig-sauer-mcx-stock-adapter-for-ar-15-receivers/ This appears to show a regular AR lower with MCX upper, appears to work as normal other than the regular AR buffer assembly doesn't do anything - as pointed out in the article too, the MCX has a taller receiver, but that rear section is already covered, just abruptly without an adapter.--AgentGumby (talk) 08:07, 11 May 2021 (EDT)
- Makes me wonder why the AR15.com poster left such an ominous warning. Spartan198 (talk) 11:57, 11 May 2021 (EDT)
- Coming back to this, I suspect it must be due to gas blowing back through the open gap - probably since anyone doing this would also be using a suppressor. Guess its best to use the stock adapter or have some proper face protection.--AgentGumby (talk) 03:05, 13 November 2022 (UTC)
- Makes me wonder why the AR15.com poster left such an ominous warning. Spartan198 (talk) 11:57, 11 May 2021 (EDT)
New generation MCX
A third generation version of the MCX series is coming soon, as seen here (EDIT: video no longer available) and here. The weapon is lighter, and comes with a new handguard and latch system; it can now more easily use 7.62x39mm ammunition. The rear of the upper receiver also looks somewhat similar to the 1st gen MCX (as opposed to the 2nd gen VIRTUS). Some 3rd gen MCXes were previously displayed at DSEI 2021 (these can be seen at the end of this post), albeit with low profile deflectors like the MCX Rattler, instead of forward assists. There's also a newer version of the Rattler here. --Ultimate94ninja (talk) 10:03, 16 April 2022 (EDT)
- Aaaaaaaand it's in production now. It's called the MCX-SPEAR LT, and unlike the prototypes linked above, it has an ambi bolt catch. No word about the newer Rattler, though. --Ultimate94ninja (talk) 16:54, 19 September 2022 (UTC)
Spear and Spear LT barrel lengths
SIG's website only shows 13" and 16" options for the Spear and 9", 11.5", and 16" options for the Spear LT. What's the source on the Spear's 9" and Spear LT's 10.5" and 14.5" options? Spartan198 (talk) 00:12, 16 August 2023 (UTC)
- Regarding the 9" Spear and the 14.5" Spear LT, they are military/LE versions shown in the following catalogs: [1] and [2]. When the Raptor (the shorter-barreled version of the Spear) was announced two years ago, some sources were claiming that it has an 8" barrel, but the newer links that I just provided indicate 9 – rightfully, since it does look like a 9" barrel rather than 8. As for the 10.5" barrel on the LT, it was seen on this prototype, though I don't know if it's being used on current production models. --Ultimate94ninja (talk) 18:44, 16 August 2023 (UTC)
- There is also another barrel option for the LT shown here. The length isn't specified, but from the looks of it, it could be something around 12.5" --Ultimate94ninja (talk) 18:56, 16 August 2023 (UTC)
- On another note, I don't think that the MCX was developed from the LVAW (like you added in the page), but the other way around. These are the early MCX prototypes introduced in 2013 (apparently known as HALO at some point), and the MCX LVAW variant was unveiled a year later. --Ultimate94ninja (talk) 20:51, 7 September 2023 (UTC)
- There is also another barrel option for the LT shown here. The length isn't specified, but from the looks of it, it could be something around 12.5" --Ultimate94ninja (talk) 18:56, 16 August 2023 (UTC)