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Barry Donadio, Pistol Instructor, Former United States Secret Service

The Founder of Public Security LLC, Barry Donadio is offering the 16 hour wear & carry training to Marylanders seeking to legally carry a handgun

Instructor Barry Donadio is holding regular training classes for those seeking their Maryland wear and carry permits


Barry Donadio, Firearms Instructor

Former United States Secret Service

Offering Movie Set Expert Advice and Consultation Regarding

Military Firearms




Military Tactics

Military Uniforms

US Secret Service



Law Enforcement

Training actors in weapons proficiency

We are seeing tons of errors in the latest top movies of 2023 regarding how military rank is worn on a uniforms in a movies . We are also seeing scores of errors in movies regarding firearms handling and correct representations of firearms. Don't let your next feature presentation become a flop because of these mistakes.

We can also act as your movie set Safety Officer to prevent accidental gun discharges

Contact Barry Donadio's Firm Public Security LLC for immediate consultation


Barry Donadio, self defense Instructor, Former United States Secret Service


Train with the big boys.

Barry Donadio is a certified instructor and is available to train American Patriots that are ready to defend the United States of America

Barry Donadio July 2020 

with a suppressed     LWRC SMG-45

Photo by Matthew Abbott

Pistol Instruction

Jan.   2024 UPDATE




Barry Donadio, Former U.S. Secret Service and currently a certified Pistol Instructor will be making himself available for a fee  starting  January 1st 2023.

 Anyone needing  instruction with firearms, ask an opinion about a firearm, or be shown how a firearm functions can meet him .



Training geared towards your win in a dangerous situation when protecting your home, family, state

Instructor Barry Donadio (Former U.S. Secret Service) is holding private sessions for pistol, rifle and shotgun training .

Sessions are a 2 hour minimum at a rate of $100 per hour. Students are responsible for buying bullets and paying for range times for instructor.


Did you buy a shotgun and have never shot it?

Ladies, do you need some experience with your shotgun for self defense?

Do you know what a shotgun can do and why they are considered one of the best weapons for home defense?

You need to take this training if a shotgun is part of your self defense or home defense plan.

Are you a Security Officer and need to do a qualification course in order for you to carry a shotgun on duty?

Public Security LLC, Handgun Qualification License Classes
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Wear & Carry 16 Hour Training

Handgun Qualification License HQL   Classes   4 hours   for 2024

CALL 855-589-2267



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Handgun Qualification License (4 Hours) Our Fee $150


To enroll and to make a payment 

click on Public Security LLC

Barry Donadio, Former  Emergency Response Team ERT  United States Secret Service,. The Whte House.


Barry Donadio  Former

United States

Secret   Service

Barry Donadio is seen here in an official U.S government photo with his P-90 machine-gun in 2009. He was a member of the United States Secret Service Emergency Response Team at the White House during the George W. Bush and Barrack H. Obama administrations. He protected the Presidents, their families, and their guests on a daily basis as well as the White House and the grounds.   Now Donadio teaches citizens  how to use  tactical firearms for self defense.

Learn from the best!

Barry Donadio is a former member of the U.S. Secret Service Emergency Response Team (ERT). He was assigned to the White House from 2002 to 2010. He protected President George W. Bush and President Barack H. Obama on a daily basis. Donadio also served in multiple middle eastern war zones during his career. 


Barry Donadio is a qualified expert with the following firearms during his police and U.S. government service


FN-P90 5.7x28 Cal. Sub Machine-gun

HK-416 .223 Cal. Short Barreled Rifle

MP-5 9mm Sub Machine-gun 

M-4 .223 Cal. Carbine

Glock 17 9mm Pistol

Sig Sauer P229 .357 Sig Cal.  Pistol

Remington 870 12 Gauge Shotgun

Beretta 92F 9mm Pistol

M-16A2 .223 Cal. Rifle

Remington 700   .308 Cal. Police Sniper Rifle


Other weapons used by Barry Donadio during his police and U.S. government service



M-60 Machine-gun

M249 SAW Gun

MK46 Machine-gun

MK48 Machine-gun

M-203 Grenade Launcher

Colt 1911 .45 cal semi-auto pistol

S&W 915 9mm Pistol

Beretta Model 21 .25 cal

S&W Model 64 

M2 Browning 50 Caliber Machine-gun



Firearms that Barry Donadio has used in the private security sector  


Springfield Saint Victor Edge 5.56

Mossberg 590 Military Shogun

Norinco NHM90

Remington Model 770    .300 Winchester Magnum

10 Gauge Shotgun "Thumper" 

Glock 45 pistol 9mm

Glock 31  pistol   357 Sig.



Firearms that Barry Donadio used for  familiarization

Israeli UZI machine-gun 9mm

Israeli IMI Galil Rifle .223

M1891 Mosin-Nagant Rifle 7.62X52

Nagant M1885 Revolver 7.62X38R

Swedish "K" Machine-gun 9mm

Lee Enfield British ,303 No. 4 Mk1

Russian SKS Rifle 7.62X39

Smith & Wesson  Model 64 .38 cal Revolver

AK-47   7.62X39 Cal. Rifle

LWRC SMG-45 Suppressed

Astra Model 600/43 9MM


.367 Cal. Ruger Revolver Model  5771


 Barry Donadio's Instructor credentials 2024


Certified ASP Baton Tactical Weapons Instructor ASP-51332

National Rifle Association Certified Pistol Instructor 185542457

Maryland State Police Qualified Handgun Instructor QHIC-2015-0253

Maryland  State Certified Security Guard Instructor  #40038


Richard Mulderick's Federal Firearms License Dealer. The Official Supplier of pistols, rifles, shotguns and ammo to Public Security LLC

Do You Need To Buy A Pistol, Rifle , Shotgun or Ammo?

We Recommend 

Richard Mulderick FFL

Stevensville, Maryland

Barry Donadio highly recommends Former Washington D.C. Police Officer Richard Mulderick who is a licensed Firearms dealer located on Kent Island in Maryland

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