Even the smart ones can't tell an x-tech from a wooden riser Browning[]

Just swap it out and pretend nothing ever happened.

If she is really on the ball and notices something, you may get away with this:

"New Bow? No, I just added on some sims riser extension vibration modules, looks cool right. Got them real cheap on E-Bay"


But I am blessed with a healthy population of dumb Blondes - so almost anything works