CMMG AR15 .22LR Mk4 Evo - Lanner Tactical Version

[Vulcanator]

I must admit I've had a couple of instances where I've fired the last round, pulled the trigger again (not realizing I was out) then as I've pulled the mag the bolt has released on it's own accord so i've had to use the charging handle again as opposed to the bolt release button

The bolt hold open actuator fits between the lower and upper receiver. It interfaces and allows full operation of the bolt catch. Without it, the green follower of your magazine locks back the bolt - until you remove the mag, then it closes thus requiring you to manually use the bolt catch when pulling back the bolt. When you get the evo mag, you should purchase the BHOA, it's only $20 over here and is designed to work with the evo mags. The only other mod you may need to do with the BHOA is cut a coil or two off the bolt catch spring, I did, and I gain complete functionality when I use my conversion bolt.

[Vulcanator]

That's a good price for an AR15 over this side of the pond -

Doesn't surprise me, one of the reasons I no longer live there. I expected perhaps for the gun to cost in Pounds what we pay for in Dollars, but jeez! Regardless, you have a great rifle, enjoy it.

[Dan Giliballs]

The bolt hold open actuator fits between the lower and upper receiver. It interfaces and allows full operation of the bolt catch. Without it, the green follower of your magazine locks back the bolt - until you remove the mag, then it closes thus requiring you to manually use the bolt catch when pulling back the bolt. When you get the evo mag, you should purchase the BHOA, it's only $20 over here and is designed to work with the evo mags. The only other mod you may need to do with the BHOA is cut a coil or two off the bolt catch spring, I did, and I gain complete functionality when I use my conversion bolt.

It already has a BHOA

[kennp]

On the subject of magazines Black Dog has a new magazine out called the X form.

[Dan Giliballs]

On the subject of magazines Black Dog has a new magazine out called the X form.

Does it work with the CMMG BHOA?

[Vulcanator]

Black dogs will not operate the BHOA.

[gunfighteruk]

Lantac / CMMG will have a pay & play range at Shield Shooting Centre Dorset 7th & 8th of July , so come on down have a go & raise some money for a worth while cause. £3 a go.

Full info along with match entry over at http://four4islands.org

[Dan Giliballs]

Just though i'd do a little update after nearly a year of using the CMMG in anger....

well I'm still happy with it, it's still knocking over bunnies, The only thing i've found is the BOHA can be a little temperamental unless the mags are operating smoothly and the BOHA is spotlessly clean. I got a couple of 10 round mags recently and it makes the whole shooting from the vehicle exercise a lot easier due to not having 4" of the mag catching on the door, all in all still well impressed with it, I've only have a couple of jams but I am using subs so I expected a lot more until the thing has had a few 1000 rounds through it.

[bambam]

CMMG have stopped making the BHOA and the last 2 generations of magazine, they've gone back to the first gen grey mag that works like a blackdog.

[aj]

Ten round mags are definitely the way forward for hunting, especially from a vehicle. If they are BDM ten round mags you can open them up and remove the stop pin inside to extend the capacity to 15 rounds.

[bambam]

I have a Better-Mag adapter in my CMMG, using 10 round M&P mags is easy enough and they're pretty cheap from Brownells these days.