TRW M14 in 5,56mm

[RCS]

There are photos around of the factory TRW production M14 converted to use the 5,56mm cartridge and M16 twenty round magazine, this being an attempt to salvage something for TRW.

I wonder if anyone has built-up a receiver chambered for the 5,56mm ? turning a 224 barrel to the M14 profile would not be difficult and the conversion to use the M16 with a spacer would work out unless you wanted an AK74 magazine in 5,45x39mm which would fit better. The bolt face could be modified with an insert like the Lee Enfield No 4 conversions to 5.56mm or other methods could be used.

Might be an interesting project

[Jersey Devil]

I'd love to see those photos......any idea where they are?

[RCS]

Photos are in the book;;The Black Rifle M16 Retrospective;; Blake Stevens & Edward C. Ezell

pages 117 & 118

[RCS]

photos of the TRW M14 conversions to fire the 5,65mm are in the book - The Black Rifle, M16 Retrospective by Blake Stevens and Edward Ezell pages 117 and 118

[Phil McGrath]

Next door search for GarandDoctor, ArmsCorp back in the day made a very small batch of 5.56 receivers (10). I spoke with Cmdr. Ruple and had the details of his build. He overcame the mag issue by using the M14 mag as a outside sleeve with a 20rd Ar mag inside, the bolt face was reduced and the extractor was extended/machined too meet the 5.56 case rim. Both 5.56 and 7.62 operate at the same pressures but there is a little less of it with the smaller case so the G/P was made a wee little larger too help it out with 55gn ammo.

I know of another person that is doing a similar M14/M1A project, I'm sworn too secrecy and can't name name's but if it gets pulled off you might be able too collect the parts (barrel/bolt) and build your own....