This article or section is for a series that is Ongoing, or currently on the air and thus is a continuous work in progress. Screencaps may not be immediately available and information may not be up to date.
The SEALs in the series carry Heckler & Koch HK416 carbines with 14.5-inch barrels, Magpul PMags, Magpul CTR stock, EOTech XPS3, Magpul RVG, Surefire M300 Scout mounted on a Unity Tactical Fusion and a Surefire SOCOM-RC2 556 suppressor. All the HK416 carbines are painted in dark earth camo.
AKM
The AKM is usually seen with hostiles in the season.
AKMS
The AKMS with rails is seen with some Bravo Team members in "Welcome to the Refuge" (S3E01).
AKMSU
AKMSUs with rails are seen with Iranian contractors near the end of "Theory and Methodology" (S3E03).
Zastava M70AB2
The Zastava M70AB2 is seen with hostile forces in the season.
Pistols
Glock 17
Both suppressed and unsuppressed Glock 17 pistols are seen used by SEALs and other characters in the series.
The Heckler & Koch MP5A3 is seen with an armed man in "Welcome to the Refuge" (S3E01). Other forces use the weapon as well in the series.
Heckler & Koch MP5SD
The Heckler & Koch MP5SD is seen with Serbian Gendarmery officers in "Welcome to the Refuge" (S3E01).
Shotguns
Custom Shortened Remington 870
What appears to be a shortened Remington 870 is used by Sonny as his weapon when needed to breach doors and other hard to get places.
Sniper Rifles
Zastava M76
A Zastava M76 with a suppressor is used by Clay Spenser (Max Thieriot) when he conducts overwatch in "Welcome to the Refuge" (S3E01).
Machine Guns
Browning M2
The Browning M2HB is seen with American military vehicles and emplacements in the series.
FN Mk 46 Mod 1
The FN Mk 46 Mod 1 is one of the machine guns used by SEAL members, mainly by Sonny Quinn (A.J. Buckley). It's outfitted with an Eotech XPS3, G33 magnifier, AN/PEQ-15, Grippod grip, flashlight and a Surefire SOCOM556-MG suppressor.
FN Mk 48 Mod 1
The FN Mk 48 Mod 1 is another machine gun used by Sonny for certain missions. It's outfitted with Elcan SpectreDR and a Magpul RVG grip.
PK
A PK machine gun appears to be used by enemy forces in "Theory and Methodology" (S3E03).