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Browse our inventory of AR rifles from trusted brands like Springfield Armory, Radical Firearms, Foxtrot Mike Products, Bushmaster, and CMMG. Chesapeake Gunslingers offers high-performance, customizable AR rifles built for sport shooters, home defenders, varmint hunters, and tactical enthusiasts who want a versatile platform they can tailor to their needs. From entry-level builds to premium precision rifles, we stock a wide range of calibers, barrel lengths, and configurations to fit every shooter. Stock up on rifle ammunition and AR magazines, then upgrade your build with rifle parts to dial in your setup. Round out your kit with semi auto rifles, AK rifles, bolt action rifles, lever action rifles, and scopes sights and optics from our full lineup.
Shop AR rifles online by comparing models, checking current availability, and reviewing specifications such as caliber, capacity, barrel length, and sight configuration. Picking the right AR-platform rifle depends on your intended use, preferred caliber, and how you plan to outfit the optic and accessory package.
Use these pointers to narrow your search:
Purchase AR rifles online or visit the gun shop in Fallston, Maryland to shoulder different configurations, compare handguard lengths, and test trigger pulls before committing. Chesapeake Gunslingers serves customers in the nearby cities of Bel Air, Whitemarsh, Forest Hill, Joppa, and Abingdon, stocking compliant AR-platform rifles configured to meet Maryland’s regulated firearms and Heavy Barrel Pistol (HBAR) requirements for shooters across Harford County and the Baltimore region.
Federal law requires AR rifle buyers to be at least 18 years old when purchasing a long gun from a licensed dealer, and Maryland requires the standard background check at the point of sale through any FFL transfer. Buyers must complete ATF Form 4473 at the time of transfer, and any disqualifying factors under federal or state law will block the sale. Maryland restricts certain AR-15 platform rifles under the state’s assault weapons ban, with specific models classified as regulated firearms requiring registration, and the state additionally limits rifle magazine capacity to 10 rounds.
Transport AR rifles unloaded in a case during travel, with magazines stored separately when practical, and review Maryland Department of Natural Resources rules for any caliber or projectile restrictions during big game seasons. Store AR-platform rifles in a secure cabinet or safe when not in use, and contact the shop with questions about availability, transfers from out-of-state dealers, or compliant Maryland configurations.
AR stands for ArmaLite Rifle, named after the company that originally designed the platform in the late 1950s. It does not stand for “assault rifle” or “automatic rifle” as is sometimes incorrectly assumed.
5.56 NATO is loaded to higher chamber pressures and uses a slightly longer throat than .223 Remington. Rifles marked 5.56 NATO can safely fire both, while rifles marked .223 Remington only should not be used with 5.56 NATO ammunition.
16-inch barrels are the standard for general-purpose AR rifles, balancing maneuverability with full velocity from 5.56 NATO loads. 18 to 20 inch barrels favor longer-range precision, while 14.5 inch barrels (with pinned and welded muzzle devices to reach 16 inches) offer slightly better handling for defensive use.
Bolt carrier groups themselves are durable and often last tens of thousands of rounds with proper maintenance, but specific components like extractors, ejectors, gas rings, and the bolt itself benefit from periodic inspection and replacement. Many shooters replace bolts around the 6,000 to 10,000 round mark depending on caliber and use.
Direct impingement systems route propellant gas directly into the bolt carrier to cycle the action, keeping the rifle lightweight but introducing carbon and heat into the receiver. Piston-driven systems use a separate operating rod to cycle the action, running cooler and cleaner at the cost of added weight and a different recoil impulse.
HBAR stands for Heavy Barrel rifle, referring to AR-15 style rifles configured with a heavier barrel and specific feature limitations that may exempt them from Maryland’s regulated firearms list. Buyers should consult current Maryland State Police guidance and the regulated firearms roster before purchasing any AR-platform rifle.
A free-float handguard attaches only to the upper receiver and does not contact the barrel, which preserves accuracy by preventing handguard pressure from affecting barrel harmonics. Most modern AR rifles use M-LOK or KeyMod free-float handguards for both accuracy and accessory mounting flexibility.
Maryland restricts certain AR-15 platform rifles under the state’s assault weapons ban, with specific models classified as regulated firearms requiring registration and additional compliance steps. Some AR-style rifles configured as Heavy Barrel rifles (HBARs) or with feature limitations may be sold, so buyers should confirm the specific model’s legal status before ordering.
