I'm looking at getting a free float upper for my Spikes 16" midlength. Some young friends of mine are suggesting a key mod. Are they just for looks or do they serve some purpose. I've been looking at Midwest Industries 9"-12" SS Gen 2 fore ends, with the long oval openings. I don't put much of anything on my fore ends. Just looking for a reasonable priced and light one. These come with 3 rails attachments I think. The prices are in my budget range also.
Question about keymod rails
- Thread starter rico903
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- Aug 17, 2011
- 26,177
Some buy them for looks, some buy them for being able to add a 1913 rail section for attaching just what they need on the rail - without having the weight and ergo hit of a full 1913 rail system.
I bought mine for both reasons. The quad-rails get a little rough on the hands, and they can add a bit of weight. May not mean much if your just casually shooting at the range, but if your going to be handling the rifle for a few hours on end, then the weight and ergo advantage comes into play.
In weight terms, the 13" BCM KMR still screws with my mind - it's surprisingly light for a 13" rail system.
I bought mine for both reasons. The quad-rails get a little rough on the hands, and they can add a bit of weight. May not mean much if your just casually shooting at the range, but if your going to be handling the rifle for a few hours on end, then the weight and ergo advantage comes into play.
In weight terms, the 13" BCM KMR still screws with my mind - it's surprisingly light for a 13" rail system.
Marauder
Revolver Addict
- Dec 14, 2010
- 1,485
If you're looking for light, comfort Keymod is the way to go.
- Feb 4, 2013
- 28,175
I just picked up an Anderson upper for my Anderson lower.
Nice free float setup. Full length rail on top, short rail section on the bottom.
http://www.andersonrifles.com/product/16-complete-300-blackout-upper/
You can also add rail sections at 1:30, 3 and 4:30 on both sides. The rails screw on fromt he outside, so you can add or remove at any time.
I can't find that exact handguard on their parts. They have similar, but without the slots for cooling.
Nice free float setup. Full length rail on top, short rail section on the bottom.
http://www.andersonrifles.com/product/16-complete-300-blackout-upper/
You can also add rail sections at 1:30, 3 and 4:30 on both sides. The rails screw on fromt he outside, so you can add or remove at any time.
I can't find that exact handguard on their parts. They have similar, but without the slots for cooling.
So do the rails sections attach differently to the key hole fore ends than the oblong hole fore ends? The Midwest Industries come with 3 rail sections to put on wherever you want. All I really need is a top rail and maybe a vertical grip.
Dogabutila
Ultimate Member
- Dec 21, 2010
- 2,359
You need different adapters so to speak. I personally have a keymod as well. Got it on an engage rifle. I have small hands so full quad rails are a little bulky, and heavier to boot. If you're shooting offhand for an extended period of time it's loads better than a full quad, at least in my experience.
- Aug 17, 2011
- 26,177
I couldn't say for the Midwest rails - not familiar with those.
But they should attach the same either way. It's supposed to be the beauty of KeyMod, even if they differ in looks, the attachment method should be the same.
The MI SS gen 2 is pretty light and won't break the bank. Like you, I didn't want to attach anything to it on this rifle. Does the job it's intended to do.
Magnumite
Ultimate Member
The keyholes also provide a method of sliding on a rail with fasteners already installed. Then after placement on the forend the fasteners are torqued (tightened).
ThawMyTongue
Ultimate Member
I know it's not keymod, but I love my Midwest Industries Lightweight M-Lok handguard. M-Lok hasn't taken off yet, but Magpul is ramping up support. It's light, easy to hold, narrow diameter... everything I wanted.
- Aug 17, 2011
- 26,177
Taking KeyMod out of the equation entirely. I don't think I've held a lighter aluminum-type rail than the KMR. 7.7 ounces for a 13" rail and barrel nut. That puts my other rail systems to shame on it's own.
View attachment 126641
The carbon fiber handguards may be lighter, but I haven't held one of those yet.
The KMR may feel tiny if you have big ol' bear claws, but if you don't have massive mitts, it's damn near perfect.
Pity I couldn't get one to fit on the .50, that fvcker needs to lose some weight.
View attachment 126641
The carbon fiber handguards may be lighter, but I haven't held one of those yet.
The KMR may feel tiny if you have big ol' bear claws, but if you don't have massive mitts, it's damn near perfect.
Pity I couldn't get one to fit on the .50, that fvcker needs to lose some weight.
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The MI SS gen 2 is pretty light and won't break the bank. Like you, I didn't want to attach anything to it on this rifle. Does the job it's intended to do.
So that's the key mod? I didn't see it on their site. I just want the round model with a top rail. I think 12" would be plenty. I have a 16" mid length Spikes upper that came with a Magpul for end. I've seen 15" hand guards and they are way too much.
ThawMyTongue
Ultimate Member
sailskidrive
Legalize the Constitution
I believe the PRI carbon tubes are lighter... I personally don't like the key mod rails that much because of how skinny they are. My big hands prefer the Spikes BAR rail.
Calengor
wishes he were spike
There's several options out there for "slick" handguards with the ability to put rails and/or attachments only where you want them. Keymod is one system of them, M-lock is another system, some of the Geissele rails have these options and Geissele makes some keymod and some M-lock, Centurion Arms' CMR is yet another.
I had a Geissele MK4 rail which was nice having rails only at the top and very front. I just got to try some of BCM's KMR rails at an EAG tactical class and they were very light and nicely fit in my hand. I had ordered a KMR equipped BCM upper before that and it came in this week and I'm still very happy with my choice.
I had a Geissele MK4 rail which was nice having rails only at the top and very front. I just got to try some of BCM's KMR rails at an EAG tactical class and they were very light and nicely fit in my hand. I had ordered a KMR equipped BCM upper before that and it came in this week and I'm still very happy with my choice.
That's a seekins product that spikes puts their logo on and jacks the price up.
Seekins MCSR is keymod and beefy.
Keymod != small diameter.
sailskidrive
Legalize the Constitution
I'll have to check that one out... thanks
There's a 15" in the classifieds. 
- Aug 17, 2011
- 26,177
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