Different Switchblock question

[308sako]

I have been using mine with an AAC SPR-M4 on an 18" rifle gas Rock barrel and find that after as little as 30 rounds the "switch" portion is near impossible to turn even with the supplied wrench... Is this common?

[Todd.K]

Use some solvent and work it a few times. If you use oil it combines with the carbon and gunks up faster so don't oil it.

[308sako]

Use some solvent and work it a few times. If you use oil it combines with the carbon and gunks up faster so don't oil it.

That may very well explain what is happening.

Thank you Todd.

[Toxicodendron]

I have had the same problem with mine. No oil and while it's warm I move it through all 3 position's. Once that is done it is free as a bird.



I have been using mine with an AAC SPR-M4 on an 18" rifle gas Rock barrel and find that after as little as 30 rounds the "switch" portion is near impossible to turn even with the supplied wrench... Is this common?

[308sako]

I have had the same problem with mine. No oil and while it's warm I move it through all 3 position's. Once that is done it is free as a bird.


Thanks for this tip, I have cleaned it out using Kroil and carburetor cleaner spray, and the motion while better isn't acceptable as yet. I will shoot it on Friday and try your trick while she's warm.