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The weather cooperated so I took my new build out for a while today. My goal was barrel break-in, check function and dial in the scope. I took 20 rounds of Hornady Black and 10 each of loads with 123 gr Nosler CC with CFE-223 and StaBall Match. I had my Garmin Chronograph with me and will post velocities in the ammo forum in a bit.
I started by doing the Faxon recommended barrel break-in routine while dialing in my scope. Functioning was 100% with brass going right at 4 o'clock. This was with a non-adjustable gas block. Groups were nothing to write home about, with most being around 1.5 MOA with the Hornady Black and the loads I brought. I expect that will improve with more shooting and load development. All brass looked great after firing. I did have to seat the Nosler bullets for a little shorter OAL with my loads so they wouldn't get jammed in the lands.
Some thoughts about the build. I got the 20" heavy barrel and bolt from Rexus. They looked great. It took me a couple of hours to get the nitride salts residue out of the bore but I expected that.
I put the barrel in an Aero Precision Enhanced upper. I like these because the handguard attaches directly to the receiver and you don't have to mess with indexing the barrel nut. Lower was from Delaware Machinery set up as a rifle with Larue MBT2 trigger.
Overall I'm pleased with it's first showing.
I started by doing the Faxon recommended barrel break-in routine while dialing in my scope. Functioning was 100% with brass going right at 4 o'clock. This was with a non-adjustable gas block. Groups were nothing to write home about, with most being around 1.5 MOA with the Hornady Black and the loads I brought. I expect that will improve with more shooting and load development. All brass looked great after firing. I did have to seat the Nosler bullets for a little shorter OAL with my loads so they wouldn't get jammed in the lands.
Some thoughts about the build. I got the 20" heavy barrel and bolt from Rexus. They looked great. It took me a couple of hours to get the nitride salts residue out of the bore but I expected that.
I put the barrel in an Aero Precision Enhanced upper. I like these because the handguard attaches directly to the receiver and you don't have to mess with indexing the barrel nut. Lower was from Delaware Machinery set up as a rifle with Larue MBT2 trigger.
Overall I'm pleased with it's first showing.
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