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+--- Thread: Sig Sauer 556R to 6.5 Grendel (/showthread.php?tid=9373)
Sig Sauer 556R to 6.5 Grendel - apd_855 - 05-18-2015
Had a 556R that just sat in the safe with no love, so I decided to give her some. The process was pretty straight foreward with the exception of the mag well. Chambered an X-Caliber 6.5 barrel blank and reverse enginered the 7.62 barrel threads and conture. Original build thread: http://www.sigarms556.com/threads/556r-to-6-5-grendel.15300/
Sig Sauer 556R to 6.5 Grendel - Variable - 05-18-2015
Wow, that's really cool! You have some excellent skill Sir!
From your 1:30 ejection pattern, it sounds like the gas is pretty robust
I'm sure you'll get it tuned though. Looking forward to future posts!
Sig Sauer 556R to 6.5 Grendel - cory - 05-18-2015
Very interesting read!
Sig Sauer 556R to 6.5 Grendel - lrgrendel - 05-18-2015
Very nice. Is that the first Sig conversion to 6.5 Grendel on this forum?
Sig Sauer 556R to 6.5 Grendel - Big J - 05-18-2015
That is awesome! Great work, one of the coolest builds I've seen.
Sig Sauer 556R to 6.5 Grendel - LRRPF52 - 05-18-2015
That really is impressive work. How does it shoot? Feel free to post pics here, and welcome aboard.
Sig Sauer 556R to 6.5 Grendel - apd_855 - 05-18-2015
I haven't shot it for groups yet, I've got too many irons in the fire right now. I have been working up loads for a 20 Practical and Grendel build for praire dog season. Once things slow down a little I will wring out the Sig. I still need to get glass and work up a load it likes. Hopefully in the next few weeks.