Magtech CBC 5.56 77gr OTM MK262 MOD 1 Clone

**Jwknutson17** · 02-19-15, 13:34

Originally Posted by sevenhelmet

CBC seems to be excellent ammo. I personally won't think that it's worth the extra dough for the BH Mk262 unless I see a side-by-side comparison with drastic differences. I'm slowly stocking up on the CBC as funds allow.

I appreciate it. I'm slowing depleting the Black Hills out of my stock and if there is no drastic difference, I think Ill be picking up the CBC. I shoot a lot of these 77grs out of my 11.5's. Every bit of savings here and there adds up to 1000's of extra rounds or more training.

**Jwknutson17** · 02-19-15, 13:35

Originally Posted by markm

I've scooped up some of the CBC brass, and it seems that Magtech is getting the velocity without excessive pressure signs. CBC has the velocity and accuracy.... not sure what else you need to have.

That's what I like to hear. Ordering as we speak. Appreciate it.

**opngrnd** · 02-19-15, 14:02

Does anyone know whose bullets are being used? Is it Nosler's or Sierra's?

**HDHNTER** · 02-19-15, 14:50

Originally Posted by Jwknutson17

Anyone been paying a little more for the BH over these Magtech/CBC. Thinking about picking up a case or two at 580 shipped a peice. I can get the BH Mk262's for 790 to the door. Worth the extra dough? Or is everyone that's using this CBC stuff happy with it so far?

MK12 Mod-H (Bison Armory 16" Recon) MagnetoSpeed chrono results:

Temp 47F
5rnd strings

CBC 77gr (WC732 powder)
Max 2702
Min 2668
Avg 2684
SD 12

BH 77gr TMK
Max 2692
Min 2658
Avg 2672
SD 13

IMI 77gr
Max 2711
Min 2673
Avg 2693
SD 15

CBC 62gr FMJ
Max 2967
Min 2918
Avg 2942
SD 22

Mod1 (18" CLE Douglas) results for comparison:

CBC 77gr
Max 2866
Min 2808
Avg 2829
SD 24

IMI 77gr
Max 2823
Min 2796
Avg 2803
SD 11

CBC groups

Thermal doesn't allow for a super tight POA for shooting groups but still pretty damn good results with the CBC 77gr load.

**Jwknutson17** · 02-19-15, 15:03

That looks like a pretty darn good groupings from non hand loads. Ill take that any day. Thanks for posting that up, and putting in the work. I have no doubt that I will get similar results after reading the positive feedback on the CBC that's been posted here.

**HDHNTER** · 02-19-15, 15:17

Welcome, the CBC 62gr FMJ load (no penetrator core to eat up your steel) is a stout performer as well & FAST, 2942FPS avg out of a 16" tube. Groups print half the size of M193/M855.

**Onyx Z** · 02-19-15, 15:22

Originally Posted by HDHNTER

MK12 Mod-H (Bison Armory 16" Recon) MagnetoSpeed chrono results:

Temp 47F
5rnd strings

CBC 77gr (WC732 powder)
Max 2702
Min 2668
Avg 2684
SD 12

BH 77gr TMK
Max 2692
Min 2658
Avg 2672
SD 13

IMI 77gr
Max 2711
Min 2673
Avg 2693
SD 15

Mod1 (18" CLE Douglas) results for comparison:

CBC 77gr
Max 2866
Min 2808
Avg 2829
SD 24

IMI 77gr
Max 2823
Min 2796
Avg 2803
SD 11

You are measuring at the muzzle as opposed to 10-12ft away with a standard chrono... either way, that is cooking for a heavy .22 cal bullet.