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| | |-+  Anyone shooting RFB with 24"
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Author Topic: Anyone shooting RFB with 24"  (Read 3398 times)
tommytwoguns
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« on: February 26, 2018, 12:52:24 PM »

I am considering getting the 24" RFB and wondering if some owners would comment on it.  Seems like the extra length would help with accuracy but I am wondering if it would change how the gas adjustment is done.  I do have an FN P90 and so far it has been a no brainer to shoot.  On the other hand I see lots of posts about how the RFB needs to be dialed in right and mags can also be an issue.  While I do like to play around with my guns and have no problem taking them apart I also expect them to fire and cycle like I expect. 
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TNC
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« Reply #1 on: February 27, 2018, 09:31:39 AM »

I currently have this question posed on the Keltec forum about the 24" and how the barrel length has affected gas tuning and performance.  There has to be some effect due to dwell time, but I can't recall anyone complaining about it on the 24" since I've been a member over there.  There aren't a ton of them out there, but enough to get some feedback, I hope.
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zugcat
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« Reply #2 on: September 20, 2020, 11:20:42 PM »

My RFB hunter shoots about 2 MOA. The longer 24"  barrel doesn't seem to add to much to accuracy than the 18" version. But, it does add velocity. The bullet is more effective at longer distances. I.e. it hits harder further out.

Sorry for the necropost. But I figured someone reading this thread might want this information.
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Disgruntled Bpfcom User
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« Reply #3 on: November 05, 2020, 11:16:47 PM »

Gonna pile on the necroposting!

I got one.  It makes for a pretty heavy gun overall.  Gas adjustment is pretty wild, there's definitely more dwell time and that seems to allow my Hunter to adjust quite a ways out, significantly more clicks than what Chad suggested for the 18" RFB.
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WhamBam
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« Reply #4 on: November 15, 2020, 11:44:16 PM »

I've read plenty of conflicting info when it comes to the RFB. I've never been a real big fan of Kel Tecs--although they do look pretty cool. But the RFB seems like you either love it or hate it. Never had the chance to shoot it myself.
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pluckyshot45
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« Reply #5 on: December 05, 2020, 05:21:13 PM »

I finally got my hands on a kel tec RFB 24" model this summer.  I put a leupold 3-7 scope on her and took her to the range nearly every friday before hunting season. i just took inventory and figured i've shot about 300 rounds through it.  I'm shooting steel case Wolf 150 gr. ammo

 The gas system really doesn't seem to have any problems and i don't see a reason why the 24" would have any issues versus the 18".  I too was quite confused about dialing in the gas relief system and finally found out, it is simple as pie.  The only weird caveat is that whenever you change ammunition, you need to readjust the gas, because different ammo will obviously have different pressure.

The really cool news is a buddy of mine picked up an RFB 18" barrel the other day post election.  It's funny, you can't find anything that looks like an AR but the bullpups are less popular so they're easier to find and the prices aren't nearly as insane!

But, now that Buddy has an 18", we are planning on going out somewhere and shoot longer distances to get an idea of the real world aspects of the 18" vs 24".  I'm going to set the chronograph up as well to get some verified performance data.

As far as accuracy goes, there's a rule of thumb for barrel lengths.  Basically, in rifles, every inch of barrel length adds about 80 fps in bullet velocity, which translates to less bullet drop downrange.  To me, that translates into flatter shooting and less effect from windage, i.e. better accuracy.

  However, Let's say, for example, your are pulling 2" left at 200 yards.  NO amount of barrel length can compensate for that.  So, what TNC said about accuracy, is true.

The really cool thing about the 24" barrel and the reason i bought it over the 18, is that the OAL of the 24" rifle is a 1/2 " shorter than an AR-10 with a 16" barrel!!!

After handling my Buddy's 18" (looking around corners in his hallway Smiley i really see the value of the shorter version for CQB and whatnot. it is so compact and handles nicely.

So, i can't tell any issues yet with the longer barrel and gas relief.  I think the choice comes down to the application you want it for.  I wanted to set up a semi-auto .308 that i could set up to be as accurate as possible at longer ranges.  I felt like the 24" bullpup in .308 was the best choice to that end.  And as far as accuracy, i can touch bullets on the bull's eye with a 3-7x scope @ 200 yds.!  I'm not a military sniper, but that's damn respectable!!!

Bottom line, Disgruntled had it exactly.  you love it or you hate it.

 

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