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Thread: Best way to mount bipod to smooth free-float handguard/bull barrel

  1. #21
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    Just make sure you measure twice and drill once, no turning back so you don't want it "off"

    Sent from my DROID RAZR using Tapatalk 2

  2. #22
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    Quote Originally Posted by bigredneck61088 View Post
    Just make sure you measure twice and drill once, no turning back so you don't want it "off."
    Really, don't stress about it too much... If the hole's not absolutely perfect, then it'll be covered by the base of the sling swivel when you're done.

    Mark the spot, and then tap it with a center punch or a nail or something.

    Then start with a small bit. Use a drill stop (or wrap the bit in masking tape) so that you don't break through and drill into your barrel. Work up to bigger and bigger bits — they'll self-center in the existing hole. Done.

  3. #23
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    Quote Originally Posted by Shao View Post
    That JP looks like a nice option, so the aluminum block goes on the inside of my handguard???
    Yes it does. Here is a picture.


    Also I would really recommend reconsidering buying BUIS. That is $100 that could be put toward a better scope. Think long and hard about a situation that would seriously be bad enough to break your scope and yet somehow leave you and your rifle fully functional and require you to keep shooting that rifle instead of just going home to fix the problem.

  4. #24
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    Concur with Atticus. If fund limited put it all towards the glass and mount vs BUIS that you will never use. Barrel is long enough you can poke paper under 10m. Would also consider less expensive stock setup and put extra $ towards glass also.

  5. #25
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    OK.. well I've decided that the UBR, while awesome, isn't necessary.

    I already installed Troy BUIS but I got a gas block front and regular rear for about $170 shipped - so no big deal there.

    I've decided to wait on the bipod until I get to shoot it first.

    I'm going shooting with friends in a couple of weekends and wanted to put my new upper through its paces so last night I was
    considering buying a cheapo scope and mount just to have a go at it. I found a Sightmark 3-9x40 + UTG quick detach offset scope mount for $107 shipped - and I ALMOST bought it...

    The little voice saying "buy once, cry once" kept whispering in my ear. I can't exactly afford a $1000 scope, but I've decided that I can afford around $900 for a scope and mount. So this is what I've been looking at:

    LaRue LT-104 QD scope mount
    Vortex Viper PST 4-16x50 EBR-1 MOA Reticle

    Total cost: about $900

    After a day's worth of hard research this is what I came up with. I need a quick detach for the scope that will preferably hold zero when reattached (thus the LaRue) and I've heard great things about Vortex for the price.

    Would this be a nice setup for a 24" precision rifle shooting 77gr SMKs?

    Thanks again everyone for all of your help.

    EDIT: I checked out Leupolds/Redfields, Nikons, Bushnells, Muellers... None of them tickled my fancy.
    Last edited by Shao; 01-13-13 at 10:05.

  6. #26
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    Do you have access to another scope and mount? If so, before dropping the coin on glass for an unknown quality setup, it would be wise to set up a scope and run the rifle for some groups at 100 yards. I keep a very basic $200 Vortex scope and a set of rings that will bolt to my AR's to test them quickly at 100 yards to see what potential they have.

    On the other hand, if you get the glass and mount you will always have them. If the rifle proves to be a dog, you will still have the glass.

    That Vortex setup you listed is a good entry level precision setup and would be a good one.

  7. #27
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    Quote Originally Posted by AKDoug View Post
    Do you have access to another scope and mount? If so, before dropping the coin on glass for an unknown quality setup, it would be wise to set up a scope and run the rifle for some groups at 100 yards. I keep a very basic $200 Vortex scope and a set of rings that will bolt to my AR's to test them quickly at 100 yards to see what potential they have.

    On the other hand, if you get the glass and mount you will always have them. If the rifle proves to be a dog, you will still have the glass.

    That Vortex setup you listed is a good entry level precision setup and would be a good one.
    Ha, actually yes... a 3-9x40 Barska I picked up for super cheap
    to slap on a .22LR as an experiment. I haven't even used it on the .22 yet. I'm pretty sure the upper will be a good one. It has a good reputation. So are you saying that the Vortex may be better than what the rifle is actually capable of shooting???

  8. #28
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    What is the attachment method for that tube handguard? It looks very similar to the DPMS style handguards. They had a tendency to come undone (I actually bought a DPMS LR308 when they first came out (only 308 AR at the time available)) and had the barrel nut spin on me. Long story short, the whole attachment method WAS the barrel nut, with no anti-rotation, other than the gas tube. It was an ugly situation and bad design. Loose barrel, loose handguard. Gun had to go back to DPMS, who had to install a new handgaurd since once they properly torqed the barrel nut down, the factory drilled bipod hole was a good 180 degrees from where it started.
    Not a fan of those tube-type handguards on heavy 308 rifles. The whole strap wrench / loctite stuff is pretty cheesy IMO. Sold the whole POS. But that's a DPMS, I have not handled your rifle. This is why many 308 manus. have resorted to proprietary mono systems where the handguards bolt to the upper rec's. That's the only real way to have a solid rifle when you're dealing with the weights and stresses of the 308 platform.

    I would make sure you've got a very solid lockup on that barrel nut / handguard before you expect it to handle the stress of a bipod. I only say this from experience. That, and I don't have your rifle in my hands to see for sure.
    Last edited by Brahmzy; 01-13-13 at 12:58.

  9. #29
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    Quote Originally Posted by Brahmzy View Post
    What is the attachment method for that tube handguard? It looks very similar to the DPMS style handguards. They had a tendency to come undone (I actually bought a DPMS LR308 when they first came out (only 308 AR at the time available)) and had the barrel nut spin on me. Long story short, the whole attachment method WAS the barrel nut, with no anti-rotation, other than the gas tube. It was an ugly situation and bad design. Not a fan of those tube-type handguards on heavy 308 rifles.

    I would make sure you've got a very solid lockup on that barrel nut / handguard before you expect it to handle the stress of a bipod.
    Hmmmm... Yes I believe it is a DPMS free-float - I don't mess with DPMS stuff but I really wanted a smooth, round, rail-less, unventilated, free float handguard and it was my only option I could find at the time. How would I go about checking for how solid of a lockup that I have on my barrel nut? The upper isn't a DPMS upper, just the handguard.
    Last edited by Shao; 01-13-13 at 12:56.

  10. #30
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    Quote Originally Posted by Shao View Post
    Hmmmm... Yes I believe it is a DPMS free-float - I don't mess with DPMS stuff but I really wanted a smooth, round, rail-less, unventilated, free float handguard and it was my only option I could find at the time. How would I go about checking for how solid of a lockup that I have on my barrel nut? The upper isn't a DPMS upper, just the handguard.
    Again, I would recommend against that style of handguard. But if you're stuck on it, then I would tear down the entire rifle myself and torque everything to spec.

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