First AR sight in results!

Edit: working on posting photos in the thread itself. Will update shortly

So over Christmas time, I ordered a Vortex Strike Eagle and an American Defence Manufacturing mount, and finally, after waiting almost a month, was able to put them together. Then, unfortunately I had to go back to school to finish my degree, and wasn't able to bring my gun. Luckily I had a couple breaks in between January and May (when I graduate) to set my baby up.

Having no prior experience sighting in a rifle, I thought I would be totally lost. But I did surprisingly well (in my opinion). Long story short, scope is zeroed, I shot good groups, and i'm a happy camper.

Rifle:
Lower: Spikes Tactical Spider
Upper: Daniel Defence complete DDM4v5 with 12 inch Omega rail
Barrel: DD Gov profile 1:7 twist (pretty sure) Carbine length gas system
Muzzle: A2
Trigger: Geissele SSA
Stock: Magpul CTR
Lower parts kit: PSA
Grip: Magpul MIAD
Scope: Vortex Strike Eagle (1-6x)
Mount: American Defence Mfg. 30mm 1 inch offset.

I used 55 grain PMC bronze line FMJ to conduct the initial sight in and continued with it for most of the day.

Then followed with 75 grain HPBT Hornady SuperPerformance Match (error on photos of groups, it says 77gr)

I followed the directions and shot in groups of three while sighting in

I followed the directions provided with the scope, and after 2 3 shot groups, I was in business.
The gun seemed to like the 55 grain better. But I only had one box of the 75gr match, so I only got two 5 shot groups off.

The result of the gun seeming to like lighter loads makes me wonder if the barrel is a 1-9, or a lightweight profile. I haven't actually removed the handguard to confirm. I bought the gun slightly used (60 rounds through it) and can't remember the exact specifications.

Any thoughts on anything I missed or info you all would like to know, lemme know!

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Last edited by flyboy3394; 03-27-2016 at 3:27 PM.. Reason: pictures as attachments

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First AR sight in results!