Status of the Next Gen Squad Weapon (NGSW)?

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From Tony Williams' Military Guns & Ammo forum.

Unconfirmed rumors regarding the NGSW program:

1. SIG is the leading contender

2. Textron is performing well, but its weapons are more complex than the SIG offering, so are liked less

3. Recoil is still significant despite mitigation devices

4. Chamber pressure is causing excess barrel and bolt wear

5. The US Army will likely adopt a second non-AP loading of the 6.8 mm and this could well become the primary standard round

6. The most significant rumour is that once testing concludes and a winner is selected, the US Army may decide NOT to field NGSW and continue with legacy calibres. This is because the whole effort and cost of NGSW may not be justifiable.