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Taken from a random Sniper's Hide Post
It's really hard to judge by the size, but that [critter] looks to be in the class of "Big Mother ****er" and perhaps the family of "Stay the **** Back"
your barrel WILL rust underneath the handguard, if you never clean and oil it.. so removable bottoms are great just for being able to jam an oily rag up in that bitch and wipe 'er down.
even for stainless barrels, it's good to be able to oil it from time to time. no steel is truly 100% "stainless"
Taken from a random Sniper's Hide Post
It's really hard to judge by the size, but that [critter] looks to be in the class of "Big Mother ****er" and perhaps the family of "Stay the **** Back"
Worth is kind of subjective. The DD rail is only a few ounces heavier, but about twice the cost. The DD RIS-II is a beautiful peice of machine work. The bolt-up system it uses, IMO, is vastly superior to the TRX.
Unless you are obsessed with going as light as possible, the DD offers a lot more capability. I like the DD RIS-II more than the TRX Extreme, but there are plenty of people who are happy with the TRX.
The DD Lite series are not much heavier than the TRX...the RIS-II being slightly heavier than the Lite.
Not sure who asked about the Troy, but I generally don't compare the DD rails to the Troy TRX, as I see the DD is a full on rail system, while the Troy as more of a really nice modular handguard that you can mount optics on. Of course, the DD mount does seem superior.
Anyhow, excellent points none-the-less. I may need to go to my local AR shop, and after asking them why they sell RRA bolts as standard with their uppers, get my sweaty palms on the rails to examine them individually. I wish I could own a bunch AR's with a bunch of different rail systems on them and shoot them regularly, but then again we all do.
Anyhow, I appreciate the thoughts on the rails from you guys. I'm still not sure what I want on the upper I'm still conceptualizing, and this helps alot.
Taken from a random Sniper's Hide Post
It's really hard to judge by the size, but that [critter] looks to be in the class of "Big Mother ****er" and perhaps the family of "Stay the **** Back"
While this topic is up...
I assume that a FSP shaved down would fit under a RIS without issues? Would the bayonet lug and sling swivel holes need to be whacked off as well?
Thanks,
Ek
There are a few different RIS-II systems.
The M4A1 FSP will fit the full un-changed FSP.
https://danieldefense.com/rail-syste...ii-ris-ii.html
The M4A1 (the one I have pictured) is meant for a low profile gas block. From looking at mine, I don't think you'll have enough room for the bayonet lug etc.
And of course the MK18 one, which is a shorter 9 1/2" rail, otherwise the same as the longer M4A1.
Some places selling them call them all RIS-IIs. I scoped mine up because I was looking/waiting for quite a while to find one in black.
I understand the difference between the rails, I was planning on installing the same model you have.
Right now it has an 12.0 OMEGA-X FSP. The issue is that the flash hider is perm attached. Fortunately DD uses the same barrel nut for all of their rails. I'm planning on pulling the barrel assembly, installing the lockup plate for the RIS and then re-installing the barrel assembly and slapping on my new rail. I'm just trying to think ahead for how much of the FSP is going to 'sacrificed'.
Ek
When I first fitted my carbine with a Mk18 RIS II, I shaved every non-essential piece of metal away from the original FSB. Luckily, I work in an aviation shop and we have access to some useful tooling... pencil grinders w/ cobalt burrs and industrial belt grinders as well as media blast cabinets... after I finished, it looked like the skeleton of its original form. Then i had a buddy that has a setup for redoing the manganese phosphating so, it looked factory after it was done. It had a lot of room inside the rail and there was never any issue of it coming in contact with the rail. Iraqguns is now the owner of that barrel and I have since changed out for a 14.5 chf midlength gas system barrel from DD. It can be done if you have some basic tools and a way to refinish the project once you are done, and you won't have to worry about your gas block turning.
Sorry, when you said light rail I assume your meant lightweight TRX style not the DD Lite. Brain fart.Not sure who asked about the Troy, but I generally don't compare the DD rails to the Troy TRX, as I see the DD is a full on rail system, while the Troy as more of a really nice modular handguard that you can mount optics on. Of course, the DD mount does seem superior.
I've owned both the DD RIS II and the Lite, in addition to the TRX. For what it's worth, I like the RIS-II the best so far.
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