M40A6 Build Guide

[Badgerord]

So the M40A6 build begins….

Barrel: Schnider .30 cal, Finishes 20" OAL This is the same barrel contour as the A3/A5, just cut to 20" P form rifling was replaced with conventional 6 groove rifling 1:10" twist.

Recoil lug: New M40A6 recoil Lug, you heard it, they made a new lug just for the A6

Stock, Remington arms M40A5 RACS Chassis, its called the M40A5 because that is the rifle they made it fit. It is similar to the RACS LW, but not identical, this is what I am told.

Receivers: Old serviceable receivers will be used, New receivers are being acquired, so far they are RR prefix. New receivers will be drilled to 8-40 (PWS receives them with no holes).
Rear bridge of receiver is flattened, just like A3/A5, No slotting or bullet notch at front of ejection port, the thumb cut in the side is retained.

Trigger: M24, NSN 1005 01 511 8314, still the trigger of champions!

Muzzle brake: Surfire MB762SSAL/RE

Suppressor: Surfire FA762SS

Pics of the New lug, new Lug is on the right, is is nearly identical to the A3/A5 lug but without the taper.


We made a fixture that accepts the New A6 and the old A3/A5 lug.

[pmclaine]

Umm, I'm not sure what happened here...as I missed whatever was in the above posts...but I will say that I am bummed that Ryan is not posting here anymore.
His collection and knowledge added value to this forum.I learned a good deal from his posts, and I hope he will reconsider. My 2cts FWIW.

What he said........

[Random Guy]

Umm, I'm not sure what happened here...as I missed whatever was in the above posts...but I will say that I am bummed that Ryan is not posting here anymore.
His collection and knowledge added value to this forum.I learned a good deal from his posts, and I hope he will reconsider. My 2cts FWIW.

[USMCSGT0331]

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[geoff3]

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[rlm8541]

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[USMCSGT0331]

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[USMCSGT0331]

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[USMCSGT0331]

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[rlm8541]

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[rlm8541]

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[kft101]

Holy sheet! What are they expecting to attach to that top ring mount? Another rifle?!

[USMCSGT0331]

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[J!m]

I guess I'm getting old.

The new A-6 doesn't look like a rifle to me. I'm a huge Star Wars fan but I hung up my plastic blaster decades ago... it looks a lot lighter too, which is great for carry but I always felt a Becker rifle was more stable.

Not my my cup of tea.

[Raven 6]

So the M40A6 build begins….


Receivers: Old serviceable receivers will be used, New receivers are being acquired, so far they are RR prefix. New receivers will be drilled to 8-40 (PWS receives them with no holes).
Rear bridge of receiver is flattened, just like A3/A5, No slotting or bullet notch at front of ejection port, the thumb cut in the side is retained.

Any pictures of the new receivers cut this way? Trying to figure out how you would have the thumb cut but no lug slot for run out.