Several NYPD officers are seen with Beretta 92FSs throughout the movie, mainly holstered and are mostly seen during the Sandman rampage from the truck, which is incorrect. The real NYPD use Sig-Sauers and Glocks rather than Berettas.
The guard in the van full of money is seen with a Remington 870 before Sandman storms in.
M4A1 Carbine
A news report shows a SWAT member with an M4A1 carbine when the trucks flip over. A pair of M4A1-toting SWAT officers can also be seen running past a female reporter covering the hostage crisis, their M4A1's sporting M68 Aimpoint red dot scopes and Surefire M500AB forend weaponlights.
M16A4?
An M16A4 is used by a SWAT member in a news report where he tries to fire at Venom (Topher Grace), but misses. It is not an M4A1 Carbine as it has a longer handgard than the M4.
You are wrong, whoever wrote this, because the handguard is absolutely fine. it is only a blur that makes it seems that way. plus, if you look and notice the Surefire M500AB Tactical Light Hand Guard that is shown on the M4.
Glock 17
Some NYPD officers are seen with holstered Glock 17s when Mary Jane (Kirsten Dunst) is held hostage.