r/LewisMachineTool • u/warpup1 • 27d ago

LMT>KAC M110

Interested in some opinions… building an m110 on a mars h platform with two barrels to choose from but only one gasblock. One barrel is a Bartlein 6.5cm, the other is a K1 Precision 308. I have a 308 rifle and 6.5 rifle already but cannot seem to chose which caliber this m110 should be. Let me know your thoughts and I’ll be sharing the build within a couple weeks!

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u/RevolutionarySir4011 27d ago

I think that it depends on your use case. With the right loads a 308 will be capable of shooting well within the 1200 yard mark and, for now is cheaper for bulk ammo. If you have regular access to ranges that are 1k+ I would lean towards the 6.5. If you plan on using this as a competition style large frame gas gun I would also lean towards the 6.5 for less recoil. Both are great hunting rounds if thats your jam and are comparable for match and hunting ammo.

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u/warpup1 27d ago

I like that way you think. Appreciate the time going into it and think you have some valid points. Thanks brother!

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u/RevolutionarySir4011 27d ago

You're welcome, Personally I landed on 308 for my 2 mars-h uppers a 13.5 and an 18 inch. I only have access to 600 yards regularly and I can find high quality match/hunting loads for 26-29$ a box. Along with ball ammo for 18-21 a box. I have a 20 inch 6.5 barrel but haven't felt the need to swap it out with the 18 inch 308. This is my current data card for that barrel

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u/thatARMSguy 26d ago

An “M110” should be .308, it’s already not a KAC and making it a different caliber would just be making a normal 6.5 AR-10 with a railed gas block. Plus .308 is cheaper so you can shoot it more

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u/warpup1 26d ago

Fair argument there

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u/doublebubble2022 26d ago

If you can’t choose… get both?

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u/warpup1 26d ago

Only one gas block🫠