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7mm SAUM AR
I was using Hornadys load data which is considerably lower than Noslers. My max load was 58gn with an overall length of 2.820”. Velocity at 58gns was 2617 measured at the muzzle with a magneto speed. Nosler suggested max load is 62.2gns of the same powder. I’ll be shooting the new test loads...- Lucic
- Post #25
- Forum: Semi-Automatic Rifles
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7mm SAUM AR
My first loads were 150 ELD-X over H4831sc in ADG brass. The initial shots went well, I had the rifle speed set at six and single fed rounds over an empty mag. The gas was enough to lock the bolt back and the brass would just clear the port. Grouping was “good” for a load testing. Recoil was...- Lucic
- Post #22
- Forum: Semi-Automatic Rifles
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7mm SAUM AR
I’ve got mine together for some initial load testing. I had to steal the handguard off my 308 as I ordered the wrong barrel nut for mine. Here is the upper parts list. Mega upper KAK bolt carrier and magnum bolt Xcaliber barrel - 18”, 1/8 twist, 14” gas system Handguard is a SLR as is the new...- Lucic
- Post #21
- Forum: Semi-Automatic Rifles
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7mm SAUM AR
I designed it based off of some research and other magazine dimensions. The first print has some issues. The rear webbing being so thin allows the side walls to bow out. This is just the first rev.- Lucic
- Post #20
- Forum: Semi-Automatic Rifles
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7mm SAUM AR
- Lucic
- Post #18
- Forum: Semi-Automatic Rifles
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7mm SAUM AR
Something interesting I noticed tonight; the X Caliber 7SAUM barrel has a single feed ramp rather than the traditional “M4” style dual ramps. Given this I’m going to proceed with an MJF printed single stack magazine designed to fit in a “SR-25” mag well.- Lucic
- Post #17
- Forum: Semi-Automatic Rifles
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7mm SAUM AR
I haven’t shot mine yet, I’m about 2wks away.- Lucic
- Post #15
- Forum: Semi-Automatic Rifles
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7mm SAUM AR
Oh it’s an experiment for sure. If I wanted easy I’d go buy a 25lb rifle chambered in 6mm flavor of the month.- Lucic
- Post #11
- Forum: Semi-Automatic Rifles
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7mm SAUM AR
I originally was going to build a 300 WSM like KAK. Unfortunately I couldn’t use their upper as I’m building on a MA-10 rifle. After plenty of online research and a email to ADG I’m aiming for 2800-2900 with 150s. That will give me 1800fps to 700yds. I’m using the ASC mags as I had a few for...- Lucic
- Post #8
- Forum: Semi-Automatic Rifles
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7mm SAUM AR
Good to know I’m not the only one trying this one. I went with an 18” barrel with a rifle + 2” gas length from X-caliber. I’m planning on using 140/150gn bullets primary for hunting. Schanen51, How did you open up your ejection port and what magazines are you using. I’m playing around with 3D...- Lucic
- Post #6
- Forum: Semi-Automatic Rifles
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How many of you guys run levels......
Re: How many of you guys run levels...... excellent, thanks for the input.- Lucic
- Post #6
- Forum: The Armory
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How many of you guys run levels......
on your long guns, how many of you run them on an AR or tube/chassis platform? thanks- Lucic
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- Replies: 26
- Forum: The Armory
