This from the ATF website:
Even if the question ever arose, a first year law student could successfully argue
that the "purpose" was convenience, not the concealment of the receiver's identity. My point is you're not taking any low road here and there's really no risk.
Straw Purchase - The acquisition of a firearm(s) from a Federally
licensed firearms dealer by an individual (the straw
purchaser) for the purpose of concealing the identity
of the true intended receiver of the firearm(s)......
Even if the question ever arose, a first year law student could successfully argue
that the "purpose" was convenience, not the concealment of the receiver's identity. My point is you're not taking any low road here and there's really no risk.