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Posted: 3/18/2021 8:43:00 PM EDT
[#1]
I'm pretty content with diopters on MP5 platforms. Besides, I have other broomsticks for defense purposes which are much more ergonomic and effective (300BO 9" build and 5.56 10.3" and or 11.5" builds lol). And it's too busy when trying to cowitness these guns.
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Posted: 3/18/2021 8:53:00 PM EDT
[#2]
It's really not hard to mount an optic, tons of different options. The front sight isn't a big deal, and if you find the read right intrusive I'd just change the diopters to a rifle type V notch. I ran an Aimpoint micro on a cowitness B&T mount like this and found it very useable
I really enjoy shooting diopters, and though I've tried optics on my MP5s I have gone back to irons. 99% of the shooting with these is done within 50 yards. I would guess most of the owners of these are shooting from static positions for the most part. A red dot in those situations is extremely boring imo, just too easy. |
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Posted: 3/18/2021 9:32:12 PM EDT
[#3]
I prefer the iron sights but put an optic on one of my full size mp5s. It is just fun, but if I only had one I’d run it irons only.
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Posted: 3/18/2021 10:22:45 PM EDT
[#4]
Optics are always worth it. I ordered an MRO with a low mount for my SP5 today, and moved my rear sight replacement for an RMR mount housing an SRO over to my PDW. I thought about getting an old C-MORE red dot for an old school look. That was the setup I always used in older FPS games like Rainbow Six 3. I just like the look of it.
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Posted: 3/18/2021 10:54:13 PM EDT
[#5]
I run a T1 on an ultra low profile mount that puts it at absolute co-witness on one of my full-size MP5s.
 I keep the other two irons-only. |
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Posted: 3/18/2021 11:27:28 PM EDT
[#6]
B&T 10266?
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Posted: 3/18/2021 11:41:25 PM EDT
[#7]
Quote HistoryQuoted: I prefer the iron sights but put an optic on one of my full size mp5s. It is just fun, but if I only had one I'd run it irons only. Nothing wrong with an optic, but I love shooting with the iron sights on full auto. Cheek weld is better too (for me). |
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Posted: 3/18/2021 11:42:21 PM EDT
[#8]
I run an MRO on a low mount on my PTR. The gun already had a rail welded on, so no need for another mount. No co-witness, but I don't want it to. The dot sits just a hair above the front sight hood. All I care about is a nice cheek weld.
Depending on the mount and optic combo, it is possible to get a absolute or lower 1/3 co-witness.  |
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Posted: 3/18/2021 11:52:55 PM EDT
[#9]
I use the old style 1x Spitfire on my PTR and it works well for me. It clears the front sight hood. It may work equally as well with a low mount on an SP5
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Posted: 3/19/2021 9:31:50 AM EDT
[#10]
I prefer irons
I however also like options So grab a mount and change it up sometimes 
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Posted: 3/19/2021 9:37:51 AM EDT
[#11]
I'm just not a huge fan of irons. I'm running an Aimpoint Micro with KAC RAS and mount on my SP5. With that said I am getting juiced to do an SD and will roll irons on it.
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Posted: 3/19/2021 9:40:45 AM EDT
[#12]
I had a T-1 on mine and replaced it with an Aimpoint M2. Just didn't like the micro on there.
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Posted: 3/19/2021 10:47:53 AM EDT
[#13]
I'm trying out the MFI low pro/Scalarworks mount combo currently. Seems to work pretty well and is well suited for those who already have a crappy cheek weld with an adjustable stock plus you can still use irons. I was running the B&T Aimpoint mount for co-witness previously.
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Posted: 3/19/2021 11:25:23 AM EDT
[#14]
I'm pondering a BT 10266 mount with a Comp M5. The mount is only 77 bucks direct from B&T but I wonder what the lowest mount available to clamp it to the rail section is.
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Posted: 3/19/2021 5:46:50 PM EDT
[#15]
For a PTR with the welded rail, I'm running the holosun RMR pattern on a see-through riser. You can still see the irons perfectly and if you pick your head up a little, you see the dot and circle. There's not many options for the PTR that don't completely block the irons
On the ones without a rail, I have a 30mm on a clamp-on-rail which works nicely. And I have a micro-dot on a super-low aimpoint patterned rail. Its actually too low and hard to get down low enough to see it well.  
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Posted: 3/19/2021 7:10:37 PM EDT
[#16]
Optic on a tall mount for passive NV use.
 I like and can use iron sights just fine... really depends on what mood I'm in.  Attached File |
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Posted: 3/20/2021 2:46:32 AM EDT
[#17]
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Posted: 3/20/2021 8:41:58 AM EDT
[#18]
I have mine set up to use both.I use a Vortex Crossfire with a lower 1/3 mount.The Vortex mount is such that I can see underneath the optic and still use my irons.I took a stock plastic end cap and screwed in a small rail section so I can use the stock off of an MCX/MPX.Works perfectly.I have 2 or so inches of adjustability to get a good cheek weld with this setup.And it looks cool too.
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Posted: 3/20/2021 9:34:27 AM EDT
[#19]
Red dot on an MP5 is always a good idea. Much faster than irons.
I don’t like co-witnessing the irons on diopter sighted firearms, prefer the dot above the irons. My MP5-N has a B&T low optic rail, Aimpoint nano in 39mm B&T mount. The 39mm mount has a lightening cut through the center that allows you to use the irons through it. |
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Posted: 3/20/2021 12:57:08 PM EDT
[#20]
Quote HistoryQuoted: Red dot on an MP5 is always a good idea. Much faster than irons. I don’t like co-witnessing the irons on diopter sighted firearms, prefer the dot above the irons. My MP5-N has a B&T low optic rail, Aimpoint nano in 39mm B&T mount. The 39mm mount has a lightening cut through the center that allows you to use the irons through it. I have a BT10266 on the way. I'm thinking of finding the basic micro/M5 mount to mount an M5. I thought about the Nano as I saw they were finally in stock and surprisingly cheap last summer but of course now like everything they are out of stock. I did see it uses the same battery as the P-1 though which is disturbing. The BT 10266 is only 77 bucks. If I don't like it, no loss. |
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Posted: 3/20/2021 9:12:44 PM EDT
[#21]
The b&t is good but it puts the dot almost on top of the front sight post. I’ve found my favorite co-witness sight is the botach aimpoint mount. The front sight circle lines up almost perfectly with the aimpoint. I changed my rear drum to the one with a V in it so it doesn’t muddy up the sight picture. All in all it’s solid and quick but after everything I still prefer just irons on the Mp5.
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Posted: 3/20/2021 9:25:05 PM EDT
[#22]
KAC RAS with the KAC 30mm Aimpoint mount is really nice.
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Posted: 3/20/2021 9:47:50 PM EDT
[#23]
Quote HistoryQuoted: The b&t is good but it puts the dot almost on top of the front sight post. I’ve found my favorite co-witness sight is the botach aimpoint mount. The front sight circle lines up almost perfectly with the aimpoint. I changed my rear drum to the one with a V in it so it doesn’t muddy up the sight picture. All in all it’s solid and quick but after everything I still prefer just irons on the Mp5. https://i.imgur.com/WC7jfV2.jpg Which B&T? There are 3, one is taller. I bought one of the lower ones that isn't supposed to put the dot on the hood. |
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Posted: 3/20/2021 11:11:48 PM EDT
[#24]
mfi ultra low with a scalarworks to allow me to see irons thru the mount. digging it so far
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Posted: 3/20/2021 11:13:31 PM EDT
[#25]
GF says, no optic. Her first time shooting it. And I don't know why it rotated sideways...
 Attached File |
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Posted: 3/20/2021 11:24:20 PM EDT
[#26]
Quote HistoryQuoted: I'm just not a huge fan of irons. I'm running an Aimpoint Micro with KAC RAS and mount on my SP5. With that said I am getting juiced to do an SD and will roll irons on it. Are you using the QD mount 25682? |
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Posted: 3/20/2021 11:56:53 PM EDT
[#27]
Quote HistoryQuoted: Optics are always worth it. I ordered an MRO with a low mount for my SP5 today, and moved my rear sight replacement for an RMR mount housing an SRO over to my PDW. I thought about getting an old C-MORE red dot for an old school look. That was the setup I always used in older FPS games like Rainbow Six 3. I just like the look of it. Same here about the C-More sight. Only reason why I haven’t gotten one was because there’s too many clones out there and there’s not a lot of info to show you how to spot a fake. It’s kind of weird for there to be fakes of an optic that’s not that popular compared to the other brands we’re used to. If running an optic, I prefer it to clear the front hood almost completely. I tried absolute co-witness with a B&T mount and didn’t like it at all. I felt that you might as well just run irons at that point. |
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Posted: 3/21/2021 12:33:21 AM EDT
[#28]
Quote HistoryQuoted: Which B&T? There are 3, one is taller. I bought one of the lower ones that isn't supposed to put the dot on the hood. Quote HistoryQuoted: Quoted: The b&t is good but it puts the dot almost on top of the front sight post. I’ve found my favorite co-witness sight is the botach aimpoint mount. The front sight circle lines up almost perfectly with the aimpoint. I changed my rear drum to the one with a V in it so it doesn’t muddy up the sight picture. All in all it’s solid and quick but after everything I still prefer just irons on the Mp5. https://i.imgur.com/WC7jfV2.jpg Which B&T? There are 3, one is taller. I bought one of the lower ones that isn't supposed to put the dot on the hood. I’m not sure the model. It’s the old one that you used to only be able to order from Canada. I got it maybe 12 years or so ago. It works okay, but not near as low as I want it to not bug me with the front sight hood. |
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Posted: 3/21/2021 8:20:20 AM EDT
[#29]
Quote HistoryQuoted: Are you using the QD mount 25682? I'm using a Scalarworks mount. Before I changed to the ACR stock the irons could be used through the mount. The ACR stock is much better for the RDS now but too high for the irons. 
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Posted: 3/21/2021 10:07:29 AM EDT
[#30]
Couldn't find just the low Aimpoint Micro mount so just had to buy another M5 that comes with one.
One of the few things I found in stock lately. |
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Posted: 3/21/2021 10:46:09 PM EDT
[#31]
Quote HistoryQuoted: I'm using a Scalarworks mount. Before I changed to the ACR stock the irons could be used through the mount. The ACR stock is much better for the RDS now but too high for the irons. http://i.imgur.com/PxwvtQu.jpg Awesome, I'm in the market for a T-2 mount for that setup. BTW what can is that? |
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Posted: 3/22/2021 3:10:06 AM EDT
[#32]
Quote HistoryQuoted: Awesome, I'm in the market for a T-2 mount for that setup. BTW what can is that? Silencerco Omega 9K |
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Posted: 3/22/2021 7:16:53 AM EDT
[#33]
I'm using the Battle Steel Mount which I purchased from HK Parts:
 With an Aimpoint T1 sitting on top of that Battle Steel mount it is quick to aim and very accurate; I handed my HK SP5 to a friend's kids yesterday and they were easily making head shots at 20m on their first shot ever firing it. I used a 25m zero. |
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Posted: 3/22/2021 7:44:30 AM EDT
[#34]
Quoted: Is anyone really happy with their optic setup and feel faster with it? I have traveled nationally to subgun competitions and when I lived in Las Vegas, there was a monthly subgun match. Some of the larger matches will have different divisions like upto the end of WW II, post WW II. If there is any divisions, it will be optics and iron sights. Consistently the optic division has faster times. Why, put the dot on the target and pull the trigger, move to the next target. Where as irons requires three things to be lined up. Also a red dot tends to give a larger, clearer field of view. This is especially true if the next target is below the current target that you are aiming at. The base of the front sight blocks your view below it, while the optic allows you to see all around your current target. Sight choice is a personal preference. Many different choices have been posted in this thread. In the world of subgun matches, irons and optics are separated because shooters with optics tend to have faster times with all other factors being equal. The HK iron sights are some of the best IMHO. Certainly your question is about personal preference. I have seen many matches where the same shooter will have a faster time in the optics division even if the optic division is their first run in the course of fire. Scott |
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Posted: 3/22/2021 9:45:29 AM EDT
[#35]
Quote HistoryQuoted: I have traveled nationally to subgun competitions and when I lived in Las Vegas, there was a monthly subgun match. Some of the larger matches will have different divisions like upto the end of WW II, post WW II. If there is any divisions, it will be optics and iron sights. Consistently the optic division has faster times. Why, put the dot on the target and pull the trigger, move to the next target. Where as irons requires three things to be lined up. Also a red dot tends to give a larger, clearer field of view. This is especially true if the next target is below the current target that you are aiming at. The base of the front sight blocks your view below it, while the optic allows you to see all around your current target. Sight choice is a personal preference. Many different choices have been posted in this thread. In the world of subgun matches, irons and optics are separated because shooters with optics tend to have faster times with all other factors being equal. The HK iron sights are some of the best IMHO. Certainly your question is about personal preference. I have seen many matches where the same shooter will have a faster time in the optics division even if the optic division is their first run in the course of fire. Scott Quote HistoryQuoted: Quoted: Is anyone really happy with their optic setup and feel faster with it? I have traveled nationally to subgun competitions and when I lived in Las Vegas, there was a monthly subgun match. Some of the larger matches will have different divisions like upto the end of WW II, post WW II. If there is any divisions, it will be optics and iron sights. Consistently the optic division has faster times. Why, put the dot on the target and pull the trigger, move to the next target. Where as irons requires three things to be lined up. Also a red dot tends to give a larger, clearer field of view. This is especially true if the next target is below the current target that you are aiming at. The base of the front sight blocks your view below it, while the optic allows you to see all around your current target. Sight choice is a personal preference. Many different choices have been posted in this thread. In the world of subgun matches, irons and optics are separated because shooters with optics tend to have faster times with all other factors being equal. The HK iron sights are some of the best IMHO. Certainly your question is about personal preference. I have seen many matches where the same shooter will have a faster time in the optics division even if the optic division is their first run in the course of fire. Scott I concur with this statement. Now, obligatory gun porn photo  Attached File |
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Posted: 3/22/2021 9:51:25 AM EDT
[#36]
Quote HistoryQuoted: I have traveled nationally to subgun competitions and when I lived in Las Vegas, there was a monthly subgun match. Some of the larger matches will have different divisions like upto the end of WW II, post WW II. If there is any divisions, it will be optics and iron sights. Consistently the optic division has faster times. Why, put the dot on the target and pull the trigger, move to the next target. Where as irons requires three things to be lined up. Also a red dot tends to give a larger, clearer field of view. This is especially true if the next target is below the current target that you are aiming at. The base of the front sight blocks your view below it, while the optic allows you to see all around your current target. Sight choice is a personal preference. Many different choices have been posted in this thread. In the world of subgun matches, irons and optics are separated because shooters with optics tend to have faster times with all other factors being equal. The HK iron sights are some of the best IMHO. Certainly your question is about personal preference. I have seen many matches where the same shooter will have a faster time in the optics division even if the optic division is their first run in the course of fire. Scott I've been using red dots since 02 on rifles and am much faster with them. However in regards specifically to the MP5 platform and its idiosyncrasies regarding optics(hood obscuring dot, harder to work cocking handle, etc) I've seen some conflicting opinions. The irons are really good so I had a serious internal debate on whether to go for it or not. |
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Posted: 3/22/2021 11:33:46 AM EDT
[#37]
I think the HK sights are prefect and let's be honest... At the realistic distances these guns will operate in (0-25 yards... Even more realistic, 0-7/10 yards) , the irons are just fine.
But it sounds like you've already made your decision either way |
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Posted: 3/22/2021 11:49:42 AM EDT
[#38]
Quote HistoryQuoted: I think the HK sight are prefect and let's be honest... At the realistic distances these guns will operate in (0-25 yards... Even more realistic, 0-7/10 yards) , the irons are just fine. But it sounds like you've already made your decision either way The feedback here was more positive than I had seen in the past. |
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Posted: 3/22/2021 11:56:36 AM EDT
[#39]
On my K guns I run a M8 industries mount which replaces the rear sight and allows you to mount an RMR type sight. I have a Holosun on my SP89 and an RMR on my SP5K. Great for use of a red dot and you can still use the front sight rather effectively by lining up the front sight inside of the dot housing sorta like an AR sight.
I was never really satisfied with mounting a red dot on a traditional mount on my guns since it interferes with manipulation of the charging handle. The 8 doesn’t have that problem. I’m going to try my battle steel mount on my full size 94 as soon as it comes back from RDTS for conversion to an MP5. |
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Posted: 3/23/2021 9:11:41 AM EDT
[#40]
Quote HistoryQuoted: I concur with this statement. Now, obligatory gun porn photo https://www.ar15.com/media/mediaFiles/137230/DSC00002_JPG-1755066_jpeg-1875457.JPG How have you got your light switch mounted to the RAS? I've got my M300 mounted just need to figure out a switch and optic to have that project done. |
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Posted: 3/23/2021 9:27:53 AM EDT
[#41]
Quote HistoryQuoted: How have you got your light switch mounted to the RAS? I've got my M300 mounted just need to figure out a switch and optic to have that project done. https://modlite.com/products/modlite-modbutton  |
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Posted: 3/23/2021 9:38:06 AM EDT
[#42]
I run a SigSauer Romeo 5 with a quick-release mount on my PTR. Very quick on target, but boringly accurate. The added height from the quick release doesn't really make that much of a difference since I can't honestly say the 1/4" extra height would throw me off by a 1/4" at 50 yds - I'm not that accurate.
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Posted: 3/23/2021 9:41:35 AM EDT
[#43]
Quote HistoryQuoted: Optic on a tall mount for passive NV use. I like and can use iron sights just fine... really depends on what mood I'm in. https://www.ar15.com/media/mediaFiles/17391/20210228_170512-2_jpg-1872120.JPG This is the way 
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Posted: 3/23/2021 2:04:58 PM EDT
[#44]
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Posted: 3/23/2021 8:47:50 PM EDT
[#45]
Quote HistoryQuoted: Mod button https://modlite.com/products/modlite-modbutton https://cdn.shopify.com/s/files/1/0087/5701/8683/products/ModButtonWhite1080x1080-6_e47df42a-3799-4d7f-a9fd-3e9709ad34b0_1200x.jpg?v=1601319570 Got one ordered thanks. |
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Posted: 3/23/2021 9:04:06 PM EDT
[#46]
Also on the Scalarworks train. High enough to use with nightvision and you can still use the irons. Be aware that if you use the B&T mount you will need to mount the optic backwards on the Scalarworks mount.
 Attached File |
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Posted: 3/24/2021 9:20:14 PM EDT
[#47]
Quote HistoryQuoted: The feedback here was more positive than I had seen in the past. In that spirit, let me offer an observation. I see it like this.............. You can use your defensive/operational weapon for sport shooting, but you can't use a sport carbine for defensive/operational use. If you are sport shooting, you really don't need secondary sights. And 99% of the time, your range/competition will be done in daylight. You won't need a flashlight or luminous irons. If you are gun-fighting, you need secondary sights. And because you need to be ready 24 hours a day, your secondary sights need to be night capable. You will also need a flashlight. In either case, your palm will need unimpeded access to the top of the cocking handle and without going down the A3 vs A2 rabbit hole, you need to be able to consistently get a solid cheek weld on your primary sight. All that said...........look back at the pics in this thread and the conversations. In my opinion, there are only about 2 guns discussed that are set up for fighting. Which is fine but understand the limitations of the others. Several are fitted with an optic sitting on a BT10266 just waiting to stop you palm slap. There are several dots that totally obscure the front sight but have no quick release. I can't see for sure but I don't think there is a single rear and front luminous iron set. That is what I see. And every discussion dwells on how to defeat the front sight assembly. Imagine the possibilities if there were no front sight assembly to work around. What if you mounted your dot aft of your ejection port so you can hit the cocking handle every time? What if you divorced yourself of the word "co-witness" so you can mount your dot at whatever height is best for your purposes? What if your secondary sight was always ready at the familiar 45 degree offset rather being obscured by a failed optic that needs to be removed before use or struggle to see thru? That is how I see the MP5 world. You do you. I do me. |
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Posted: 3/24/2021 9:22:49 PM EDT
[#48]
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Posted: 3/24/2021 9:50:37 PM EDT
[#49]
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Posted: 3/24/2021 9:56:20 PM EDT
[#50]
Or you could just remove the sights... This is what I did on my K clone (I have an Eotech on it now)
 Attached File |
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