I.O. Inc

Collectable firearms, long guns, handguns, firearm optics, tactical gear, ammunition.

I.T. & D. Custom Gun

Precision rebarreling of bolt action rifles and single shot rifles.

iAmmo

Ammunition, firearms, shooting supplies, gun accessories.

IBD Products

Tactical slings, shooting gloves.

ICarry

Second Amendment supporters.

IES Interactive Training

Firearms simulation training.

Illinois State Rifle Association

Second Amendment supporters.

Impact Data Books

Shooting data books, long range shooting supplies.

Impact Guns

Long guns, handguns, gun optics, gun sights, gun holsters, ammunition, magazines.

In Range C2

Class II Manufacturer, Krinkov conversions, AK rifles.

Incredible Adventures

Tactical adventures.

Indiana State Rifle and Pistol Association

Second Amendment supporters.

Indiana Supply Depot

AR parts, 22lr conversion kits, magazines, sights, slings, mounts.

Indianapolis Ordnance

Obsolete military rifle parts.

Indy 1500 Gun & Knife Show

Gun show in Indianapolis, IN.

Infinity Firearms

Custom handguns.

Innovative Technologies

Reloading equipment.

Insight Technology

Night vision gear, tactical lights.

InSights Training Center

Self defense training, firearms training, tactical training.

Integrated Combat Equipment

Tactical gear, tactical clothing.

Intelligent Armour Limited

Blackhawk combat products, tactical holsters, thigh rigs, military assault boots, combat gloves, tactical clothing.

Inter-American Security Products

Body armor, tactical gear, self defense products.

International Ammunition Association

Ammunition information.

International Association of Law Enforcement Firearms Instructors - I.A.L.E.F.I.

Firearm instructors.

International Cartridge Corporation

Lead free frangible ammunition.

International Military Antiques

Antique military guns, antique military equipment.

International Shootists Institute

Handgun competitions.

Interstate Arms

Firearms, firearm accessories.

Int'l Repo Depo

Military equipment, military vehicles, military weapons.

Investment Grade Firearms

Gunsmithing for military style weapons.

IOSSO Products

Gun cleaning products.

Iron Brigade Armory

Long range sniper rifles, weapon accessories.

Iron Creations

Browning 1919A4 parts.

Isayeret

Israeli Special Forces resource.

i-Shot

Rifle cases, range bags, gun holsters.

ISI Night Vision Gear Plus

Night vision gear.

I-Sniper

Target systems for airsoft.

ISoldMyGun

Online gun auctions.

IST

Shooting rests, rifle slings, shooting mats, shooting supplies.

Ivanhoe Warehouse Outlet

Used guns, gun magazines.

Iver Johnson Arms

1911 pistols, 22 conversion kits for 1911 pistols.