Rem 700SA 6,5 Grendel project.

[Second]

Think that the 123 SST will work fine for the hunting that I’m planning.
So at this point I hope to use this in this fall and after that will I hopefully have enough info to decide if another bullet might be better.

I have a separate thread in the reloading section with the 140gr Hornady ELD-M. And I have got quite good accuracy with that bullet.

[DJudge]

^^^^^
X2 on the #4 group. Great looking group and gun. I've been getting great accuracy from 129gr ABLRs out of my lightweight Howa Mini Action.

[Second]

IMG_2433.JPGIMG_2436.JPG

So this is the hole gun in the current setup:
IMG_2435.JPG

[Second]

[Kswhitetails]

2910 FPS on a 108 is pretty fast. For a SA Grendel to compete with the 6BR is nothing to laugh at. Let us know the outcome on paper!

[Second]

Sorry, but 2910fps?

The speed that I got on the 28,2 is 835m/s. If my calcylator is totalt off its close to 2740fps.
Will of course post pictures from the targets!

[Second]

IMG_2472.JPG
IMG_2473.JPG
IMG_2629.JPGIMG_2631.JPG
The clearance from the spigot and the barrel ended up nice. There is plenty of room for a bigger barrel in the future, if needed.

IMG_2635.JPG
The bipods are from Nord Arms, made in carbon fiber and attaches with a QD picatinny clamp. Quick and very solid.

IMG_2636.JPG
The bipods can also be mounted in the M-loc mounted picatinny on the forend if needed.

IMG_2637.JPG
And overall look.

[Sticks]

Nice work, pretty rifle.

[Second]

Nice work, pretty rifle.

Thanks Sticks!

Yepp.
Like it alot!

[Second]

Took a quick trip to the range on the lunchbreak.
Not the best idea really. Stressed and also really windy today so the shooting could have been better i think.
But here is the results anyway:

Temp: +4,5 C
Range: 100 meters, prone position.
Lapua Scenar 108gr
VV N133 28,2gr

1.
Jump 0,2mm (0.0078")
IMG_2761.JPG
2.
Jump 0,6mm (0.0236")
IMG_2762.JPG
3.
Jump 1,0mm (0.0393")
IMG_2763.JPG
4.
Jump 1,4mm (0.0551")
IMG_2764.JPG
5.
Jump 1,8mm (0.0708")
IMG_2765.JPG

It starts to form a pattern when I test for different jump.
And for me, its that the groups are gettnig smaller with a little more jump.
Will explore a but more around the nr 4 and 1,4mm jump.

[Second]

Shot the next test on this bullet and jump yesterday.
The test in jump was from 1,0mm to 1,5mm. 0,1mm increments.
Shot prone at 100m. Foggy rain and disturbed with two different hunting dogs running on the range looking after the dead animal that they are use to find after someone takes a shot...

Nuff excuses:

1.
Jump 1,0mm (0,0393")
IMG_2846.JPG

2.
Jump 1,1mm (0,0433")
IMG_2847.JPG

3.
Jump 1,2mm (0,0472")
IMG_2848.JPG

4.
Jump 1,3mm (0,0511")
IMG_2849.JPG

5.
Jump 1,4mm (0,0551")
IMG_2850.JPG

6.
Jump 1,5mm (0,0590")
IMG_2851.JPG

Think that the #3 and #5 will be selected for further tests. Maybe also the #2 from the previous test and jump with 0,6mm.

[Sticks]

Were these the 108s again?

1.4mm looks consistent with the previous one and might be your sweet spot.

[Second]

Were these the 108s again?

1.4mm looks consistent with the previous one and might be your sweet spot.

Yeah.
The 108gr Scenar.
Not sure if the more powder and little higher velocity have payed off that well. Have better looking groups with this bullet and powder at lower speeds. Have some pictures earlier in the this thread.

More test is needed with this load and different jumps.

[Kswhitetails]

Sorry, but 2910fps?

The speed that I got on the 28,2 is 835m/s. If my calcylator is totalt off its close to 2740fps.
Will of course post pictures from the targets!

I don’t remember what I did, but I got my math wrong. Oops!

[Second]

Next test was preformed this weekend.
Loaded up 10 rounds with 3 different jumps. Shot them in 5-round groups.
Prone, 100m

Bullet still the 108gr Scenar.
Powder Vihtavouri N133 and 28,2gr.

1.
Jump 0,6mm (0,0236")
IMG_2866_06.JPGIMG_2867_06.JPG

2.
Jump 1,2mm (0,0472")
IMG_2869_12.JPGIMG_2870_12.JPG

3.
Jump 1,4mm (0,0551")
IMG_2872_14.JPGIMG_2873_14.JPG

The #3 with 1,4mm jump still looks to be the winner.
Irritating that I always get one flyer though. The first group with the 1,2mm is a nice one, but the second opened up. And also if I take the 2 groups with the 1,4mm and place them over each other the 10 rounds make a fairly nice group.

Any thoughts from the Grendel forum?