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Anybody know if there is anything special on the Mk12 5.56mm reamer/chamber/lead compared to a standard 5.56 NATO in say an M4/M16?
Last edited by Clint; 10-30-18 at 12:20.
Black River Tactical
BRT OPTIMUM HFCL Barrels - Hammer Forged Chrome Lined 11.5", 12.5", 14.5"
BRT OPTIMUM Barrels - 16" MPR, 14.5" MPC, 12.5" MRC, 11.5" CQB, 9" PDW
BRT EZTUNE Preset Gas Tubes - CAR and MID
BRT Covert Comps 7.62, 5.56, 6X, 9mm
BRT MarkBlue Gas Tubes - BRT EXT, EXC and PDW Lengths
BRT MicroPin Gas Blocks - .750" & .625"
BRT MicroTUNE Adjustable Gas Blocks
BRT CustomTUNE Gas Ports
Black River Tactical
BRT OPTIMUM HFCL Barrels - Hammer Forged Chrome Lined 11.5", 12.5", 14.5"
BRT OPTIMUM Barrels - 16" MPR, 14.5" MPC, 12.5" MRC, 11.5" CQB, 9" PDW
BRT EZTUNE Preset Gas Tubes - CAR and MID
BRT Covert Comps 7.62, 5.56, 6X, 9mm
BRT MarkBlue Gas Tubes - BRT EXT, EXC and PDW Lengths
BRT MicroPin Gas Blocks - .750" & .625"
BRT MicroTUNE Adjustable Gas Blocks
BRT CustomTUNE Gas Ports
And this is the chamber in the mk12?...that’s “optimal” for MK262?
Your opinion may differ from others, but there are ways to discuss them without being abrasive. I suggest you read what ArmyChief had to say on the subject-
https://www.m4carbine.net/showthread...4C-Style-Guide
Last edited by MistWolf; 10-30-18 at 23:01.
INSIDE PLAN OF BOX
- ROAD-RUNNER LIFTS GLASS OF WATER- PULLING UP MATCH
- MATCH SCRATCHES ON MATCH-BOX
- MATCH LIGHTS FUSE TO TNT
- BOOM!
- HA-HA!!
-WILE E. COYOTE, AUTHOR OF "EVERYTHING I NEEDED TO KNOW IN LIFE, I LEARNED FROM GOLDBERG & MURPHY"
I am American
Alright, let's settle down on the topic. First had knowledge and from reputable sources are important. The chamber, pressure and cartridge differences are all known. You may also have reamer inconsistencies and cartridge dimensions that are manufacturing issues. One can potentially see how problems may occur and at the same time expose weaknesses in "theory" pertaining to "compromises"
In other words and my opinion, get a 5.56 chambered barrel. My 5R LMT MRP 5.56 has zero accuracy or functioning problems. I can speak of a named match barrel with a Wylde chamber that I loaded for and had to stay on the low end, it also showed problems with 262. It was accurate though but no more than my current LMT.
GET IN YOUR BUBBLE!
Wow. I asked for barrel suggestions, not for a couple of guys high jacking the thread to argue about what I didn’t ask about. Thanks
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