Score the best gun deal on Fiocchi 5.7x28mm 40gr FMJ ammo at just $54.99 for 150 rounds—that's only $0.37 per round! After scouring sites for top savings, this discount on accessories stands out as a solid steal for shooters seeking reliable, high-performance rounds without breaking the bank. Fiocchi 5.7x28mm 40gr FMJ goin' for $54.99 for 150 rounds, and let me tell ya, I had to wrassle through a mess of sites to find this one. After all that hard deal huntin', it's a solid offer. That's about $0.37 per round.