| Police Brutality|
Beat a Shield to death using the Telescopic Baton.
| Lock, Stock & Eight Smoking Barrels|
Own the Locomotive, Street Sweeper, Reinfeld, Mosconi, Izhma, Raven and M1014 Shotguns. Unlocks the Flip-up Sight for the Raven shotgun.
| Knock, Knock|
Kill 50 Shields using any shotgun and slug ammo. Unlocks the Collapsed Stock for the M1014 shotgun.
| Everyday I'm Shovelin'|
On the Nightclub heist, kill 25 law enforcers using your shovel. Unlocks the Short Barrel for the Raven shotgun.
| Clay Pigeon Shooting|
Kill 10 snipers using any shotgun and flechette ammo. Unlocks the Long Barrel for the Raven shotgun, "Clint" mask, "Leaf" material and "Monkey Skull" pattern.
| Shock and Awe|
Hit 4 enemies simultaneously using any shotgun and HE rounds. Unlocks the Tactical Stock for the M1014 shotgun.
| Four Monkeys|
In the Rats job, complete the heist while you and your four man crew are wearing one different "Shotgun Pack" mask each on OVERKILL difficulty or above.
Achievable without owning DLC
| Seven Eleven|
Get 7 enemy headshot kills within 11 seconds using any shotgun. Unlocks the Short Barrel for the M1014 shotgun, “John” mask, “Explosive” material and “Terror” pattern.
| Bang for the Buck|
Kill 10 Bulldozers using any shotgun and 000 buckshot ammo.* Unlocks the Long Barrel for the Street Sweeper shotgun, "Steven" mask, "Sparks" material and "Chief" pattern.
*This achievement is bugged; Can be obtained by killing 10 Bulldozers with shotguns regardless of ammunition used.
| Shotgun 101|
Kill at least 50 enemies and get 101% accuracy or above using any shotgun. Unlocks the Long Barrel for the M1014 shotgun.
| No Heist for Old Men|
Complete any heist in stealth with a Locomotive 12G shotgun modified with the "Silent Killer Suppressor" equipped. Unlocks the Suppressed Barrel for the Street Sweeper shotgun, "Rutger" mask, "Banana Peel" material and "Banana" pattern.
| Swing Dancing|
Complete any single day of a heist killing at least 50 enemies using only your melee weapon.
The following appeared on June 26, 2014. They were replaced on July 3, 2014, with the release of the Gage Shotgun Pack.
| as tall|
| just as|
- Lock, Stock and Eight Smoking Barrels is a reference to the 1998 film Lock, Stock and Two Smoking Barrels.
- Every Day I'm Shovellin' may be a reference to the line "Every day I'm hustlin'" from the Rick Ross song "Hustlin'". Alternatively, it may be a reference to the line "Every day I'm shufflin'" from the LMFAO song "Party Rock Anthem" in a direct sample from Hustlin'.
- No Heist for Old Men is a reference to No Country for Old Men, a 2007 movie based on Cormac McCarthy's novel of the same name. In this movie, the antagonist is a crazed killer who uses a shotgun with a huge suppressor, similar in appearance to the Locomotive 12G.
- Seven Eleven is a reference to the convenience store chain 7-Eleven.
- Shotgun 101 is a reference to university and college level course codes, especially in the USA, under which 101 indicates the first module of a subject. The achievement name can be interpreted as meaning an introductory shotgun course. It can also refer to the minimum accuracy required for unlocking the achievement.
- Shock and Awe refers to a military doctrine.
- Bang for the Buck is a reference to an idiom.
- Clay Pigeon Shooting is a reference to the sport of Clay pigeon shooting, which commonly uses weaker shotgun rounds similar to the flechette shells used for unlocking the achievement, as well as aiming at targets in an elevated position, much like snipers.