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WA, USA
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Posted: 3/12/2024 4:01:37 AM EDT
[#1]
Quote HistoryOriginally Posted By StealthGuy: https://i.imgur.com/7HbRJUM.jpg What suppressor are you running? |
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NE, USA
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Posted: 3/13/2024 11:20:31 AM EDT
[#2]
Quote HistoryOriginally Posted By jeffhsu95: What suppressor are you running? Q Half Nelson |
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USA
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Posted: 3/15/2024 5:50:33 PM EDT
[#3]
Anyone have experience with Samson's mlok handguard for the MPX?
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Posted: 3/19/2024 12:29:21 PM EDT
[#4]
Quote HistoryOriginally Posted By steviesterno16: great timing... I have the same can in jail for the same use. Debating getting a longer rail or just keeping it sticking out the front. Quote HistoryOriginally Posted By steviesterno16: Originally Posted By fitchsky: Does anyone know if the Midwest handguard will cover a Rexsilentium mg7 supressor? ...Rex says on their website the mg7 is 1.7" and midwest says the handguards are 1.8" but figured I would see if anyone has this combination to confirm the clearances. great timing... I have the same can in jail for the same use. Debating getting a longer rail or just keeping it sticking out the front. @steviesterno16 Got an update on what handguard(s) fit (or don't fit) over your mg7? I'm hoping to determine if the mg7 would fit inside my oem sig keymod handguard. |
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Posted: 3/19/2024 1:58:57 PM EDT
[#5]
Quote HistoryOriginally Posted By Morgan321: @steviesterno16 Got an update on what handguard(s) fit (or don't fit) over your mg7? I'm hoping to determine if the mg7 would fit inside my oem sig keymod handguard. @Morgan321 nah I haven't gone down that road enough to get an answer. The OEM canebrake is supposed to work but it looks like you can't use the m-lock slots if you have a fat-ass can. So I'd either need a pic top rail mount for my light or an extended thing so it's behind the can. Honestly it seems like I'd be spending ~$300 to maybe get my support hand a few inches out on an already short, low round count gun. Not sure it's worth the squeeze for me yet. |
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Posted: 3/19/2024 2:03:51 PM EDT
[#6]
Quote HistoryOriginally Posted By steviesterno16: ... it looks like you can't use the m-lock slots if you have a fat-ass can. Honestly it seems like I'd be spending ~$300 to maybe get my support hand a few inches out on an already short, low round count gun. Not sure it's worth the squeeze for me yet. I can tell you my sico hybrid does fit in the sig mlok handguard, but not if anything is mounted on the handguard via mlok. I'm in the same boat sort of, trying to find out if an mg7 will fit in the sig keymod handguard. Not cutting my handguard and don't want to buy a second handguard. |
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Posted: 3/26/2024 10:29:14 AM EDT
[Last Edit: SilasB]
[#7]
Reconfigured and cleaned the MPX this morning. Decided to take a family photo. Have to say, they're a good looking pair. MCX Spear LT 9" 556, SLXC, stock trigger, Romeo8T and MPX 4.5" w/ 2 segments + endcap of MODX-9, 8" Midwest Industries handguard, ELF Trigger, Romeo4T. Armaspec safeties and Radian charging handles on both (my favorite/easy upgrade).
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Posted: 3/30/2024 7:13:22 PM EDT
[Last Edit: TROB]
[#8]
First time using pick N pluck foam. That stuff sucks. I still cut it like normal foam and used plastic-dip after, so it turned out alright.
 
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TX, USA
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Posted: 3/31/2024 11:41:53 AM EDT
[#9]
Couple Gen1 MPX rolling through, parked in the handicap spot.
Left is the MPX we have at work and one on right is the MX we have at home. 
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OR, USA
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Posted: 4/9/2024 3:54:53 AM EDT
[#10]
Quote HistoryOriginally Posted By TROB: First time using pick N pluck foam. That stuff sucks. I still cut it like normal foam and used plastic-dip after, so it turned out alright. The pick and pluck foam is garbage. And Pelican usually tries to sell the Kaizen alternative for exuberant amounts. However, if you go to Kaisensource, they sell the foam for about $15 a layer and it’s usually perfectly fit to the case. I’ve used it a few times with great results and am in the middle of setting up a case for my Spear using it. |
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Posted: 4/10/2024 4:09:54 PM EDT
[Last Edit: 2Keylows]
[#11]
Super Mutt gun.
Spear Upper, Virtus 6.75 guts, Legacy handguard.  Eta: Looking for a Legacy upper to help even things out.   Eta:2 Well to no ones surprise, you get tighter fitment using a Legacy Upper with Legacy handguard.  Imo, the VC XTN works better with aluminum handguards. The carbon hg needs the longer rail groove on the legacy upper to be secure. Since I had everything stripped down, here are some weight comparisons incase anyone nerds out like me. Stripped Upper receiver weights (no BCG or CH. Includes FA weight or FA delete respectively) Legacy: 1lb 1.9oz Virtus: 1lb 3oz Spear LT: 1lb 0.8oz Rattler: 1lb 1.1oz Polymer Forward Assist: 1.4oz Legacy Aluminum Forward Assist: 2.2oz FA Delete: .5oz Virtuous Concepts MCX XTN: 0.5oz Rattler 556 Handguard: 6.1oz Lancer Carbon Fiber 10in: 5.9oz 
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Posted: 4/18/2024 10:19:23 AM EDT
[#12]
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Posted: 4/21/2024 10:58:00 AM EDT
[#13]
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CA, USA
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Posted: 4/22/2024 12:19:49 AM EDT
[#14]
My MCX Build so far. Lancer 12” CF Handguard Sig Spear LT Upper Virtuous Concepts XTN Sheffield Blockhead LVAW Stock It is a little weird with the XTN but it’s only because it wasn’t made for the Lancer Handguard. Locks up super tight though. |
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CA, USA
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Posted: 4/25/2024 9:50:27 AM EDT
[#15]
No chance anyone would wanna sell me a Legacy upper with an ALTRD Handguard? Or even a virtus one? lol
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Posted: 4/26/2024 3:54:59 PM EDT
[#16]
Added a 10" Lancer Handguard and ILWT adjustable gas block.
Haven't shot it yet, so not sure if I'll keep the obsidian in short or long config.   |
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Posted: 5/14/2024 12:54:31 PM EDT
[#17]
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USA
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Posted: 5/16/2024 10:02:35 PM EDT
[#18]
Quote HistoryOriginally Posted By bad2006z71: Added a 10" Lancer Handguard and ILWT adjustable gas block. Haven't shot it yet, so not sure if I'll keep the obsidian in short or long config. https://i.imgur.com/FdDB8nfh.jpg https://i.imgur.com/LyaRhaxh.jpg Are your front and rear sights on the same plane? I can't tell from the photo. It looks like the top of the Lancer handguard is lower then the Pic rail on the upper. |
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Posted: 5/17/2024 8:50:27 AM EDT
[#19]
Quote HistoryOriginally Posted By LeeTN: Are your front and rear sights on the same plane? I can't tell from the photo. It looks like the top of the Lancer handguard is lower then the Pic rail on the upper. Quote HistoryOriginally Posted By LeeTN: Originally Posted By bad2006z71: Added a 10" Lancer Handguard and ILWT adjustable gas block. Haven't shot it yet, so not sure if I'll keep the obsidian in short or long config. https://i.imgur.com/FdDB8nfh.jpg https://i.imgur.com/LyaRhaxh.jpg Are your front and rear sights on the same plane? I can't tell from the photo. It looks like the top of the Lancer handguard is lower then the Pic rail on the upper. GreatQuestion.jpg I don't know. I believe they are the same plane. Haven't had time to shoot it. I just got a factory 4.5" barrel, so I may go back to the factory 8" HG. I'll try to do some measurements this weekend. |
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Posted: 5/17/2024 12:00:37 PM EDT
[#20]
Quote HistoryOriginally Posted By 2Keylows: https://i.imgur.com/PmYb8AH.jpg @2Keylows can I get some details on that handguard? I think it would be sweet on my rattler if my MG7k would fit it's fat ass in there
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NC, USA
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Posted: 5/17/2024 1:42:48 PM EDT
[#21]
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Posted: 5/17/2024 2:53:16 PM EDT
[#22]
Quote HistoryOriginally Posted By steviesterno16: @2Keylows can I get some details on that handguard? I think it would be sweet on my rattler if my MG7k would fit it's fat ass in there Quote HistoryOriginally Posted By steviesterno16: @2Keylows can I get some details on that handguard? I think it would be sweet on my rattler if my MG7k would fit it's fat ass in there @steviesterno16 It's Lancer's Carbon fiber handguards for Legacy uppers. 1.75in OD can is about the max you can stuff in there. You can get a carbon hg to fit on a Rattler upper but you would need Virtuous Concepts MCX XL XTN to bridge the gap. I tried a VC extension with a LT upper and I ended up just searching for the actual legacy upper it's supposed to mate with. There was too much side to side play. Being that the Rattler is even shorter than the Virtus/LT upper, I can only imagine that side to side being even more excessive. Imo, I wouldn't use the VC extension unless paired with a "metal" hg. Originally Posted By JohnnyUtah427: Perfection |
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Posted: 5/17/2024 6:58:05 PM EDT
[#23]
Quote HistoryOriginally Posted By 2Keylows: @steviesterno16 It's Lancer's Carbon fiber handguards for Legacy uppers. 1.75in OD can is about the max you can stuff in there. You can get a carbon hg to fit on a Rattler upper but you would need Virtuous Concepts MCX XL XTN to bridge the gap. I tried a VC extension with a LT upper and I ended up just searching for the actual legacy upper it's supposed to mate with. There was too much side to side play. Being that the Rattler is even shorter than the Virtus/LT upper, I can only imagine that side to side being even more excessive. Imo, I wouldn't use the VC extension unless paired with a "metal" hg. All started with a mutt rattler. @2Keylows thanks but I have no idea what a MCX XL XTN means. I have a basic rattler I stamped and my mg7k is like 1.74" in diameter. Not a high round count gun and I can put the light on top pic rail so I don't "need" side slots but kinds wishing I went with a smaller can. |
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Posted: 5/17/2024 7:10:27 PM EDT
[#24]
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Posted: 5/17/2024 7:32:19 PM EDT
[Last Edit: 2Keylows]
[#25]
Quote HistoryOriginally Posted By steviesterno16: @2Keylows thanks but I have no idea what a MCX XL XTN means. I have a basic rattler I stamped and my mg7k is like 1.74" in diameter. Not a high round count gun and I can put the light on top pic rail so I don't "need" side slots but kinds wishing I went with a smaller can. Quote HistoryOriginally Posted By steviesterno16: @2Keylows thanks but I have no idea what a MCX XL XTN means. I have a basic rattler I stamped and my mg7k is like 1.74" in diameter. Not a high round count gun and I can put the light on top pic rail so I don't "need" side slots but kinds wishing I went with a smaller can. It's the adapter piece needed to "bridge" the gap if your using a "legacy" rail with the Rattler upper. Your right. The Ir dot just clears. Definite splash on high lol. |
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Posted: 5/17/2024 7:32:42 PM EDT
[Last Edit: 2Keylows]
[#26]
Double
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Posted: 5/19/2024 3:12:52 AM EDT
[#27]
Mpx 2 stamper
Ilwt 4.5 Isler hg NL ch Da Wolfman Cheap sig optic needs changed Sig mini stock  Attached File |
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Posted: 5/23/2024 11:12:08 AM EDT
[#28]
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NC, USA
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Posted: 5/23/2024 2:14:36 PM EDT
[#29]
Quote HistoryOriginally Posted By Subpar: https://i.imgur.com/uBR4xaS.jpeg .....Impressive....very nice.../gif |
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TX, USA
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Posted: 5/23/2024 2:21:32 PM EDT
[#30]
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Posted: 5/24/2024 3:51:56 PM EDT
[#31]
Airsoft.
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Posted: 5/26/2024 3:57:26 PM EDT
[Last Edit: bad2006z71]
[#32]
@LeeTN
The little section of rail is inline with the uppers rail. I took the upper off and put a level on it. 4.5" barrel installed.  |
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Posted: 5/27/2024 11:13:19 AM EDT
[Last Edit: MagnusActual]
[#33]
MPX SD
Experimenting with the ILWT integrally ported barrel and B&T compact SD suppressor.  |
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FL, USA
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Posted: 5/28/2024 10:16:43 PM EDT
[#34]
In case anyone was wondering.
The Tor Mini blocks the RMR on a ANVL UKON. Guess the T2 is going back on.  |
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USA
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Posted: 6/1/2024 12:31:49 PM EDT
[#35]
Brigade Makasi & Sig Spear LT.
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OH, USA
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Posted: 6/2/2024 3:50:47 PM EDT
[Last Edit: skidmarklucy]
[#36]
Everything is a WIP but getting there.
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Posted: 7/8/2024 10:01:57 PM EDT
[#37]
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FL, USA
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Posted: 7/9/2024 8:06:09 PM EDT
[#38]
Quote HistoryOriginally Posted By Subpar: https://i.imgur.com/uBR4xaS.jpeg What laser is on the Rattler? |
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Posted: 7/9/2024 8:12:55 PM EDT
[#39]
Quote HistoryOriginally Posted By Twitchy: @Subpar What laser is on the Rattler? @Twitchy It’s a poors homogear fake NGAL. |
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VA, USA
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Posted: 7/21/2024 11:01:04 AM EDT
[#40]
Quote HistoryOriginally Posted By 2Keylows: Super Mutt gun. Spear Upper, Virtus 6.75 guts, Legacy handguard. Eta: Looking for a Legacy upper to help even things out. https://i.imgur.com/fGwTgZD.jpg https://i.imgur.com/DW7WtSy.jpg Eta:2 Well to no ones surprise, you get tighter fitment using a Legacy Upper with Legacy handguard. Imo, the VC XTN works better with aluminum handguards. The carbon hg needs the longer rail groove on the legacy upper to be secure. Since I had everything stripped down, here are some weight comparisons incase anyone nerds out like me. Stripped Upper receiver weights (no BCG or CH. Includes FA weight or FA delete respectively) Legacy: 1lb 1.9oz Virtus: 1lb 3oz Spear LT: 1lb 0.8oz Rattler: 1lb 1.1oz Polymer Forward Assist: 1.4oz Legacy Aluminum Forward Assist: 2.2oz FA Delete: .5oz Virtuous Concepts MCX XTN: 0.5oz Rattler 556 Handguard: 6.1oz Lancer Carbon Fiber 10in: 5.9oz https://i.imgur.com/B9PGTcx.jpg I hate to be this guy… and feel super slow with this question, but I’ve seen a ton of mixed information on the Lancer fitting on the Spear LT. Could you elaborate a bit please? Is this something that Arisaka kit would help with? Any information would be greatly appreciated - new to the platform. |
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Posted: 7/21/2024 12:08:03 PM EDT
[Last Edit: Subpar]
[#41]
Quote HistoryOriginally Posted By TNW: I hate to be this guy… and feel super slow with this question, but I’ve seen a ton of mixed information on the Lancer fitting on the Spear LT. Could you elaborate a bit please? Is this something that Arisaka kit would help with? Any information would be greatly appreciated - new to the platform. Virtus and Spear LT have the same length top rail, so the handguards are compatible (minus the screw holes that the Spear has). The Lancer rail is only for legacy, or Gen 1, MCX. The legacy has the longest top rail. So to use a Lancer on a Spear upper would leave a large gap. This can be filled with this product. It’s the only real solution, but not great:  This is what I mean by top rail on the receiver. Stolen off the internet. Top is a Virtus (same length as Spear LT), the 2nd and 3rd are legacy, bottom is Rattler. 
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VA, USA
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Posted: 7/21/2024 2:44:18 PM EDT
[Last Edit: TNW]
[#42]
Quote HistoryOriginally Posted By Subpar: Virtus and Spear LT have the same length top rail, so the handguards are compatible (minus the screw holes that the Spear has). The Lancer rail is only for legacy, or Gen 1, MCX. The legacy has the longest top rail. So to use a Lancer on a Spear upper would leave a large gap. This can be filled with this product. It’s the only real solution, but not great: https://www.ar15.com/media/mediaFiles/147863/IMG_5488-3272973.png This is what I mean by top rail on the receiver. Stolen off the internet. Top is a Virtus (same length as Spear LT), the 2nd and 3rd are legacy, bottom is Rattler. https://www.ar15.com/media/mediaFiles/147863/IMG_5489-3272975.jpg Thank you so much for the outstanding response - I’ve been trying to sort through all the variants to decide which I’m going to snag. VERY helpful. Is the exception to this the Rattler LT upper? That one looks to be the same receiver as the other LT’s - that said, looking at an image on a phone. |
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Posted: 7/21/2024 6:26:46 PM EDT
[#43]
Quote HistoryOriginally Posted By TNW: Thank you so much for the outstanding response - I’ve been trying to sort through all the variants to decide which I’m going to snag. VERY helpful. Is the exception to this the Rattler LT upper? That one looks to be the same receiver as the other LT’s - that said, looking at an image on a phone. The Rattler LT appears to use the same receiver as the Spear LT, at least when I counted picatinny slots from the end of the upper receiver. I don’t have one though. The Rattler LT is the most appealing of the new gen gun to me. MCX stuff can be confusing with the different generations, but MOST of it is cross-compatible, with the exceptions being the handguard from legacy to Rattler to Virtus and the OG Rattler having a shorter oprod. If there’s any combo or plans you’re considering guys on here should be able to let you know if it works. Plus, there’s a SIG employee on here that’s really helpful. |
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VA, USA
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Posted: 7/22/2024 2:13:43 PM EDT
[#44]
Quote HistoryOriginally Posted By Subpar: The Rattler LT appears to use the same receiver as the Spear LT, at least when I counted picatinny slots from the end of the upper receiver. I don’t have one though. The Rattler LT is the most appealing of the new gen gun to me. MCX stuff can be confusing with the different generations, but MOST of it is cross-compatible, with the exceptions being the handguard from legacy to Rattler to Virtus and the OG Rattler having a shorter oprod. If there’s any combo or plans you’re considering guys on here should be able to let you know if it works. Plus, there’s a SIG employee on here that’s really helpful. Thank you again. Right now, leaning towards either building from scratch with a Legacy upper, Lancer rail and Virtus or LT internals, or buying an LT rattler and slapping a Lancer rail on with the extension and giving that a try. |
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VA, USA
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Posted: 7/24/2024 11:55:47 AM EDT
[Last Edit: TNW]
[#45]
Thanks for the help in this thread guys. Pulled the trigger on 6.75” .300 Rattler LT upper, MCX Stock, Lancer CF rail, and XTN. Only bummer is that they can’t pop the muzzle device off before they ship it.
I’ll be throwing it on a spare Remington Defense or Colt SBR lower with a T2, MAWL, and SF762 mini. Looking forward to this. |
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LA, USA
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Posted: 7/28/2024 4:53:19 AM EDT
[#46]
You should be good my rattler LT muzzle device popped off with a little to no effort
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Posted: 9/27/2024 6:11:25 PM EDT
[#47]
Pic thread
New South Wales Police Tactical Operations Unit (TOU) with MCX during shipboarding exercise 
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Posted: 9/27/2024 6:31:50 PM EDT
[#48]
Quote HistoryOriginally Posted By stiglitz_actual: Pic thread New South Wales Police Tactical Operations Unit (TOU) with MCX during shipboarding exercise https://www.ar15.com/media/mediaFiles/468906/nbecp2iz6crd1-3334199.jpg Cool pic but there is zero chance his laser is maintaining zero lol. |
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VA, USA
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Posted: 10/15/2024 9:10:46 AM EDT
[Last Edit: TNW]
[#49]
 Just need a FA and some new cables. Just got it together last night. Colt lower, Sig upper, SF 7.62 mini. For anyone wondering, even though Sig states these come with a taper adapter they do not. |
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MT, USA
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Posted: 10/19/2024 12:21:20 PM EDT
[#50]
what recommendations so people have for bridging the top of the handguard for the MPX to remove any play and possibly mount a laser?
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