During the shootout at Colby's home, Bob Lee uses a bolt action sniper rifle that resembles a Desert Tactical Arms Stealth Recon Scout in "Sins of the Father" (S3E03).
The customized "Black King" .338 Lapua Magnum rifle seen in the series' first two seasons makes a return appearance as Swagger uses it to take aim while above the Bama Cattle facility in "The Red Badge" (S3E08). Bob Lee uses the rifle that was winterized in "Red Light" (S3E13). In reality, the rifle is a D&L MR-30 PG.
Swagger continues to use the Modern Outfitters MC7 in 7.62x51mm he had used in Season 2. In "A Call to Arms" (S3E05), Bob Lee uses the rifle to take target practice and Julie specifically ID's the rifle as an "MC7".
An AKS-47 is used by Major Raymond Brooks (Chad Michael Collins) of the 5th Special Forces Group during a Phoenix operation in Cambodia in "The Red Badge" (S3E08).
In "Sins of the Father" (S3E03), a member of Swagger's Long Range Recon squad in Vietnam carries what appears to be a Colt Sporter II Carbine.
Error creating thumbnail: File missingColt Sporter II Carbine with 20 round magazine - 5.56x45mm. Colt model #R-6420. Colt still insisted on using the SP1 style lower receiver so any rifle that looks like this but has the ribbing around the magazine release button is not a Colt rifle. Variants of this rifle have both the round and tear drop forward assist buttons, however, most of the early years of production had the tear drop button, like this rifle in the photo.Error creating thumbnail: File missingIn "Sins of the Father" (S3E03), a member of Swagger's squad in Vietnam carries what appears to be a Colt Sporter II Carbine.
Colt M4A1
Colt M4A1 Carbines are seen in the hands of Atlas operatives in "Swing Vote" (S3E07) and in "Family Fire" (S3E11). FBI SWAT carry the M4A1 in "Alpha Dog" (S3E09) and "Family Fire" (S3E11). In "Red Light" (S3E13), a MPDDC officer has one with Julie Swagger using the M4A1 against mercenaries during the raid on the Swagger farm.
Members of Earl Swagger's LRRP team in Vietnam carry the M16A1 in "Sins of the Father" (S3E03). Swagger and other recruits in an intelligence training program are seen trying to assemble the rifle in the same episode.
Error creating thumbnail: File missingM16A1 with 20 round magazine. What distinguishes it from the original M16 was the addition of a raised rib around the magazine release button, changing of the forward Receiver pins, and the addition of the forward assist button on the upper receiver - 5.56x45mmError creating thumbnail: File missingThe LRRP team assembling M16A1s during a time trial in "Sins of the Father" (S3E03).Error creating thumbnail: File missingEarl Swagger (Derek Phillips) attempts to assemble the M16A1.
Mk 18 Mod 0
A Mk 18 Mod 0 appears to be seen in "Swing Vote" (S3E07), "Family Fire" (S3E11) and in "Red Light" (S3E13).
The Modern Outfitters MC6 is seen with Jason Colby (Tom Wright) in "Sins of the Father" (S3E03). A similar rifle is used by Johnson in "The Importance of Service" (S3E04) and then used by Carlita Cruise (Felisha Terrell) in "Lines Crossed" (S3E06).
During a flashback, a young Bob Lee is seen armed with a Sporter Pattern 1914 Enfield while hunting with his father in Season 3's premiere "Backroads" (S3E01) and in "A Call to Arms" (S3E05).
What appears to be the Daniel Defense DDM4 "M4A1" is used by Atlas operatives in "Backroads" (S3E01). DDM4 carbines also are used by mercenaries in "Red Light" (S3E13).
The Daniel Defense DDM4 MK18 appears to be used by Atlas operatives who confront Bob Lee in "Sins of the Father" (S3E03). DDM4 MK18 carbines also are used by Prosada (Juan Javier Cardenas) and his mercenaries in "Red Light" (S3E13).
A Beretta 92FS is used by Atlas operatives in Season 3's premiere "Backroads" (S3E01) and with an armed driver in the same episode. In "Red Meat" (S3E02), Spanish-speaking robber sticks up a convenience store with the Beretta. A security guard in a psychiatric hospital uses it at the end of "Swing Vote" (S3E07). In "Alpha Dog" (S3E09), Red Bama (Gerald McRaney) uses the Beretta to threaten Bob Lee. Harris Downey (Jesse Bradford) is given a Beretta and handles the pistol in "Patron Saint" (S3E12).
A Colt Government Model is used by Julie Swagger (Shantel VanSanten) as her sidearm in the season. A similar pistol was carried by Bob Lee's father Earl Swagger (Derek Phillips) in Season 3's premiere "Backroads" (S3E01). It appears to be seen in a stash by Nadine in "Red Meat" (S3E02).
A Colt M1911A1 is seen used by a young Guiterrez (Michael Ocampo) to wound himself in "Lines Crossed" (S3E06). A young Raymond Brooks (Chad Michael Collins) also carries an M1911A1 when he was in the Vietnam War in "The Red Badge" (S3E08). Bob Lee uses his M1911A1 pistol to threaten Ray Brooks (Michael O'Neill) in "Family Fire" (S3E11).
In "The Red Badge" (S3E08), Earl Swagger threatens a young Raymond Brooks with a customized M1911A1-type pistol. The .45 is customized with raised adjustable sights and the USMC logo on the grips and a larger slide safety. This pistol also appears to be the one retrieved from a safe and loaded by Julie Swagger (Shantel VanSanten) in "Orientation Day" (S3E10).
An FN FNP-45 Tactical is used by an Atlas operative in "Sins of the Father" (S3E03). This pistol is also handled by Carlita (Felisha Terrell) in the same episode. Swagger takes it from an Atlas agent in "A Call to Arms" (S3E05).
A Glock 17 is carried by Isaac Johnson (Omar Epps) in the season. It's also carried by law enforcement officers/agents. In "Family Fire" (S3E11), Ray Brooks (Michael O'Neill) takes a Glock off an FBI SWAT agent. Glock 17 pistols are also used by USSS agents who confront Nadinein "Patron Saint" (S3E12).
Bob Lee takes what appears to be a TTI Glock 17 from Carlita's arsenal in "Alpha Dog" (S3E09). Later in "Orientation Day" (S3E10) is used by Bob and Isaac.
What appears to be a Glock 26 is handled by Carlita Cruise (Felisha Terrell) in "Sins of the Father" (S3E03). Both Margo and Nadine uses Glock 26 pistols in the season.
A Heckler & Koch USP is stashed in an ammo box that Solotov digs up in Season 3's premiere "Backroads" (S3E01). He attempts to use it against Bob Lee, only to discover it is unloaded. Salinger (Brian Letscher) is somehow seen with it in a continuity error in "Sins of the Father" (S3E03) instead of the P226R. An Atlas operator is seen with the USP in his tac holster in "The Importance of Service" (S3E04). Several Atlas recruits are also armed with the USP in "Orientation Day" (S3E10). Both Bob Lee and Isaac attempt to use the USP, but discover that the pistols are only loaded with blanks.
A Heckler & Koch HK45 is seen held by August Russo (Raymond J. Barry) in "Orientation Day" (S3E10). This pistol is later seen in the hands of both Bob Lee and Carlita in the episode.
An assassin pistol made of composite materials is used in "Swing Vote" (S3E07) by Atlas assassin John Wheeler (Matt Shallenberger). The episode strongly implies that it was made from 3D-printed parts. This particular pistol bears a strong resemblance to the composite pistol that was used by John Malkovich's character in the 1993 film In the Line of Fire.
The integrally-suppressed SilencerCo Maxim 9 is the handgun used by Atlas agents disguised by officers in "Lines Crossed" (S3E06). The pistol also is used by Swagger, who identified the pistol as a "Maxim 9" and questions if this was standard issue for DC officers.
The SIG-Sauer P226R is used by Salinger (Brian Letscher) in "Sins of the Father" (S3E03). Harris Downey (Jesse Bradford) is forced to use the pistol that he took off an Atlas operative in the episode.
The subcompact version of the Smith & Wesson M&P Shield that was used in Season 2's finale by both Bob Lee and Solotov continues to be seen in Season 3's premiere "Backroads" (S3E01).
At the beginning of "Lines Crossed" (S3E06), Guitierrez (Tony Plana) is seen holding a Walther P99 during a confrontation with Swagger and Johnson on the bus.
In "Sins of the Father" (S3E03), a Smith & Wesson M76 is seen carried by Earl Swagger while in Vietnam in 1969. He continues to carry it after he's working for the Phoenix Program.
SIG MPX Carbines with Maxim Defense CQB Stock are seen carried by Atlas mercenaries in "The Red Badge" (S3E08).
Error creating thumbnail: File missingSIG-Sauer MPX-C (Carbine variant), prototype model - 9x19mm. Variants made after 2013 do not have the same muzzle device (a modified version of the MPX-SD's suppressor baffle core) as the BATFE ruled that it was a suppressor rather than a muzzle brake and classified the MPX-C as a Title II NFA weapon.Error creating thumbnail: File missingAtlas mercenaries guard a covert Atlas safehouse in "The Red Badge" (S3E08).
Machine Guns
M60
The M60 is carried by a member of Earl Swagger's squad in Vietnam in "Sins of the Father" (S3E03).
Johnny Poole (Billy Lush) is seen holding an Ithaca 37 shotgun in "Red Meat" (S3E02). Bob Lee later takes the shotgun and empties the shells in the episode.
A Winchester Model 1200 shotgun is seen with a member of Earl Swagger's squad during the recon op in Vietnam in "Sins of the Father" (S3E03).
Error creating thumbnail: File missingWinchester Model 1200 Police Model - 12 gauge. The precursor to the Model 1300 however it is an all metal shotgun with a deep blued finish. It was developed in 1964 and ended production when the U.S. Repeating Arms Company acquired Winchester from Olin in 1980. The 1200 eventually ceased all production in 1981 and ceded the pump shotgun like to the Model 1300.Error creating thumbnail: File missingA member of Earl Swagger's squad gets up from an ambush with the shotgun in "Sins of the Father" (S3E03).
12 Gauge Double Barreled Shotgun
A 12 Gauge Double Barreled Shotgun is seen in the hands of the man guarding Red Bama Jr. in "The Red Badge" (S3E08). This shotgun is also handled by Bob Lee in the episode.
Carlita Cruise puts an arsenal of weapons in an office room seen in "Alpha Dog" (S3E09). Bob Lee is seen taking a pistol from this arsenal in the episode.