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#7180066 - 05/25/18 03:57 PM Precision Rifle Instruction with FiremanJG
Cass Offline
Bird Dog

Registered: 12/17/07
Posts: 336
Loc: Arlington

I had a great day yesterday at Jason's range going through his Precision Rifle Instruction. I had been planning to do that for at least 2 years, but just kept getting busy and putting it off. I'm glad I finally got it done.

I was amazed at what he was able to walk me through in one day. I brought two rifles that hadn't been shot before and was able to wring them out and get consistent hits with both rifles on his steel plates out to 800 yards. The clean cold (and new) bore was a definite challenge. The first rifle is one of the Remington M24 rebuilds with a Leupold Ultra 10X-M3A scope. The POI was jumping all around at 100 yards for the first 10-15 rounds. It finally settled in enough that we could get a zero and start taking it out through his course in 100 yards increments. With the M24, I was hitting out to 800 yards well before lunch. At each distance, Jason would point out the mirage and call the wind holds as we went out through the targets. After we got out to 800 yards, we came back to 100 then walked out using elevation holds only out to 600 yards. That is where the scope ran out of mil dots, so we stopped there.

We started on the second rifle pretty late, after some fun trying to zero the scope. The rifle is an M40A3 that was built in the USMC Precision Weapon Shop at Quantico. The scope of one of the 10X USMC Unertl scopes. Ask Jason about zeroing that scope...ha! It takes 3 hex wrenches and a lot of guess work and trial and error to zero the knobs. Getting the lock ring lose to be able to adjust parallax was even more fun. Despite all that we were able to march straight through from 100 up to 700 yards, then gave it a little cool down time and went on out to 800 yards before we quit for the day.

If any of you have been putting this off like me, you owe it to yourself to go ahead and schedule a day with Jason.


These pictures are looking down his range from the covered shooting platform. In the second close-up you can see all the berms out to 800 yards. The white spots are the 2 MOA steel plates.

#7180073 - 05/25/18 04:06 PM Re: Precision Rifle Instruction with FiremanJG [Re: Cass]
Cass Offline
Bird Dog

Registered: 12/17/07
Posts: 336
Loc: Arlington

Here are a few more pictures:

This is the M40A3 and USMC Unertl scope. In the second picture, you can see that the elevation is set at 700. (I took the pictures while we were letting the barrel cool down.) It also has a fine elevation adjustment just below the elevation knob, that is set at minus 1 moa in this picture. That was fun to work out too.

This is the M24 on the left next to Jason's rifle on the right.

It was a lot of fun!


#7180115 - 05/25/18 04:56 PM Re: Precision Rifle Instruction with FiremanJG [Re: Cass]
FiremanJG Online   content
THF Celebrity

Registered: 12/16/08
Posts: 26354
Loc: Wolfe City, TX
Grear having you out, sir! Thank you for the kind words! up

(That Unterl is quite the challenge to operate)

800 Yard Steel Range
Precision Rifle Instruction
Memberships and Classes Available

#7180151 - 05/25/18 05:36 PM Re: Precision Rifle Instruction with FiremanJG [Re: Cass]
dee Online   content
THF Trophy Hunter

Registered: 04/10/10
Posts: 5521
Loc: Red River way
A legit unertl is rare piece! Nice!
"A vote is like a rifle; it's usefulness depends on the character of the user" Theodore Roosevelt

#7180233 - 05/25/18 07:22 PM Re: Precision Rifle Instruction with FiremanJG [Re: Cass]
Kthnx Offline

Registered: 04/03/17
Posts: 176
Loc: Houston
Very cool man.
Remington 700 65 Creedmoor
Burris XTR II 5-25x50

#7180245 - 05/25/18 07:39 PM Re: Precision Rifle Instruction with FiremanJG [Re: Cass]
ImTheReasonDovesMourn Offline
Veteran Tracker

Registered: 08/04/12
Posts: 2469
Loc: Greenville, TX
Jason's range is top-notch. And I guess he's not too schlabby either.
Originally Posted By: KRoyal
Haha yea I polished that thing for hours.


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