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Posted: 2/7/2017 6:34:42 AM EDT
Link Posted: 2/7/2017 2:45:11 PM EDT
is that made by Keltec? It looks significantly better than the regular one.
Link Posted: 2/7/2017 7:34:41 PM EDT
This has just turned the RDB into something I'm moderately interested in.
Link Posted: 2/7/2017 8:15:05 PM EDT
Wish RFB owners could get some M-Lok love...
Link Posted: 2/7/2017 8:16:59 PM EDT
Looking at it again (assuming it's metal of some kind) I would worry about heat build up from where the piston comes back and from the barrel. It looks well ventilated though but I did burn my girlish hands on the handguard takedown pin on my RDB while I was doing some T&E with it. Oh also did anyone see the adjustable LOP stock on the survival model? I liked that too.
Link Posted: 2/7/2017 9:26:38 PM EDT
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Originally Posted By Aeneas2020:
It looks significantly better than the regular one.
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Yes it does.
Link Posted: 2/8/2017 12:20:40 AM EDT
As stated already, I concur that the new handguard looks much nicer than the original stock. I do have one question though, is this new handguard free-floated?
Link Posted: 2/8/2017 2:56:41 AM EDT
doubtful looks like the pin is still there (under the gas block)
Link Posted: 2/8/2017 9:21:08 AM EDT
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Originally Posted By cubanb:
doubtful looks like the pin is still there (under the gas block)
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That's unfortunate as most complaints are that pin getting hot and no ever says, 'I just un-freefloated my rifle this weekend as it was too accurate'. For those of you that own the RDB, does it appear if there's a possibility of designing a handguard that fully locks into the reciver so that cross pin in the gas block could be eliminated?
Link Posted: 2/8/2017 11:48:48 PM EDT
Do want that handguard, and a mod to free float. But I'd settle for that hg and the brass catcher.
Link Posted: 2/16/2017 3:26:47 PM EDT
[Last Edit: 2/16/2017 3:27:26 PM EDT by Brutus2]
How difference is a free floated barrel/gastube/piston assembly going to make?...besides not burning your fingers if you forget about the pin
Link Posted: 2/17/2017 10:28:39 PM EDT
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Originally Posted By Brutus2:
How difference is a free floated barrel/gastube/piston assembly going to make?...besides not burning your fingers if you forget about the pin
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I'm not sure if you're being sarcastic or not, but I'm going to assume it's a legit question. Any time you put pressure on a barrel you can effect the harmonics, if that pressure is not identical every time you will effect accuracy. Whether it's a bolt action rifle or AR, if the barrel is free floated the harmonics after the shot will be unimpeded resulting in repeatable accuracy. With the current config of the RDB, you're constantly putting pressure on the barrel via the handguard pin through the gas block resulting in possible different pressures.
Link Posted: 2/17/2017 11:20:36 PM EDT
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Originally Posted By kfeltenberger:
This has just turned the RDB into something I'm moderately interested in.
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Ditto.
Link Posted: 2/26/2017 12:25:38 AM EDT
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Originally Posted By NinjaZX6R:
I'm not sure if you're being sarcastic or not, but I'm going to assume it's a legit question. Any time you put pressure on a barrel you can effect the harmonics, if that pressure is not identical every time you will effect accuracy. Whether it's a bolt action rifle or AR, if the barrel is free floated the harmonics after the shot will be unimpeded resulting in repeatable accuracy. With the current config of the RDB, you're constantly putting pressure on the barrel via the handguard pin through the gas block resulting in possible different pressures.
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I have found that when shooting for accuracy with the RDB....not allowing anything to touch the handguard tightens up groups.....but even shooting it conventionally, it's accurate to just over 2moa....so for an off the rack semi auto..that's about right
Link Posted: 2/26/2017 11:41:45 PM EDT
Mine is 1.5 moa with decent 62-64 duty ammo, cheapo gt ammo is,like 3". Once i figured out the gas system, mine is super reliable and pretty darn accurate. Ive put over 3k through mine probably 2k of steel cased ammo. It runs it all perfectly. Great rifle!
Link Posted: 3/24/2017 2:00:21 PM EDT
Any more info on this?
Link Posted: 4/1/2017 9:59:39 PM EDT
[Last Edit: 4/1/2017 10:00:35 PM EDT by bbqncigars]
I had a limited time to sight in a leftover scope to try some load development today. A 24.5gr of Varget behind a Hornady 75gr BTHP in virgin Federal brass shows promise. The first four rounds were inside a 1.5" circle at 100yds until the brake on the neighbors baby cannon blasted me on the fifth shot. The results are gratifying considering shimming will be needed to zero the scope to the pup. POA was 9.5" left with maxed windage adjustment. FWIW, the scope is a Millett 6x25x56AO that dwarfs the pup.
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