Building for accuracy

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Building for accuracy

LRRPF52
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#14

12-29-2011, 04:19 AM

Yes. Bill A. said that they noticed that about half of the Grendels they were putting out did this, and half didn't. After trying different things on larger batch populations of rifles, the bedding of the gas blocks and barrel nuts shrunk the stringing so that groups printed normally. I also suspect a tighter upper receiver extension channel for the barrel extension would help, as would a 7075 T6 Type III Anodized (harder) billet upper. The AR15 receivers were designed around the .222 Remington cartridge, which was later lengthened to create the .222 Special, or .223 Remington. The impulse characteristics of the Grendel are probably better dealt with using more mass in the receiver junction with the barrel extension, when seeking extreme accuracy.

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Building for accuracy - by nboost - 12-22-2011, 06:16 PM

Building for accuracy - by bwaites - 12-22-2011, 06:39 PM

Building for accuracy - by Grendel-Gene - 12-22-2011, 07:04 PM

Building for accuracy - by terrywick4 - 12-23-2011, 01:29 PM

Building for accuracy - by BenchRider - 12-23-2011, 11:06 PM

Building for accuracy - by nboost - 12-24-2011, 02:35 AM

Building for accuracy - by Mutt - 12-24-2011, 07:43 PM

Building for accuracy - by stokesrj - 12-24-2011, 09:06 PM

Building for accuracy - by LRRPF52 - 12-24-2011, 09:38 PM

Building for accuracy - by jwilson1985 - 12-24-2011, 11:39 PM

Building for accuracy - by BenchRider - 12-25-2011, 09:05 PM

Building for accuracy - by rasp65 - 12-28-2011, 11:06 PM

Building for accuracy - by Variable - 12-29-2011, 04:02 AM

Building for accuracy - by LRRPF52 - 12-29-2011, 04:19 AM

Building for accuracy - by Bill Alexander - 12-31-2011, 11:40 PM

Building for accuracy - by BjornF16 - 12-31-2011, 11:56 PM

Building for accuracy - by leopard6.5 - 01-01-2012, 12:11 AM

Building for accuracy - by BjornF16 - 01-01-2012, 03:50 PM

Building for accuracy - by leopard6.5 - 01-01-2012, 05:16 PM

Building for accuracy - by BjornF16 - 01-01-2012, 05:41 PM

Building for accuracy - by Hoot - 01-01-2012, 07:50 PM

Building for accuracy - by leopard6.5 - 01-01-2012, 08:22 PM

Building for accuracy - by rasp65 - 01-01-2012, 08:43 PM

Building for accuracy - by BjornF16 - 01-01-2012, 08:50 PM

Building for accuracy - by Hoot - 01-01-2012, 09:21 PM

Building for accuracy - by leopard6.5 - 01-01-2012, 09:37 PM

Building for accuracy - by leopard6.5 - 01-01-2012, 09:38 PM

Building for accuracy - by BjornF16 - 01-01-2012, 10:52 PM

Building for accuracy - by stokesrj - 01-02-2012, 12:39 AM

Building for accuracy - by BjornF16 - 01-02-2012, 12:55 AM

Building for accuracy - by stokesrj - 01-02-2012, 01:54 AM

Building for accuracy - by BjornF16 - 01-02-2012, 02:10 AM

Building for accuracy - by stokesrj - 01-02-2012, 04:11 AM

Building for accuracy - by JDub - 08-15-2012, 07:22 AM

Building for accuracy - by LRRPF52 - 08-15-2012, 08:36 AM

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