What assault rifle should replace the SA80 in the British Army?

Personally i think the RM277 if they go with 6.8mm but if they keep the 5.56mm round the IAR27 that the US marines are using which is a HK33 that's been made so that it can function as not only a assault rifle carbine but also as a designated marksman rifle and light machine gun.

What assault rifle should replace the SA80 in the British Army?
What assault rifle should replace the SA80 in the British Army?
What assault rifle should replace the SA80 in the British Army?
What assault rifle should replace the SA80 in the British Army?
What assault rifle should replace the SA80 in the British Army?
What assault rifle should replace the SA80 in the British Army?
KS-1 (L403A1)
SIG MCX
HK33
M7/M5
IAR27
RM277
Other
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What assault rifle should replace the SA80 in the British Army?
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