AR-15 Rifles | Complete AR15 Rifles in Multiple Calibers
AR-15 Rifles | Complete AR15 Rifles in Multiple Calibers
Shop AR-15 rifles in a wide selection of calibers, barrel lengths, finishes, and configurations at Moriarti Armaments. Browse complete AR15 rifles chambered in popular and specialty calibers including 5.56 NATO, .223 Wylde, 300 Blackout, 6.5 Grendel, 6.8 SPC II, 7.62x39, .350 Legend, .400 Legend, .450 Bushmaster, .458 SOCOM, .50 Beowulf/12.7x42, and .338 ARC. Compare current models by caliber, barrel, handguard, furniture, muzzle configuration, finish, and individual specifications.
What calibers are available in AR-15 rifles?
AR-15 rifles are available in numerous calibers beyond traditional 5.56 NATO and .223 Remington. Depending on the configuration, the AR-15 platform can support cartridges including 300 Blackout, 6.5 Grendel, 6.8 SPC II, 7.62x39, .338 ARC, .350 Legend, .400 Legend, .450 Bushmaster, .458 SOCOM, and .50 Beowulf/12.7x42. Each caliber requires the appropriate compatible components, and some configurations use caliber-specific bolts and magazines.
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MA-6.5 Grendel 16" Semi-Auto Rifle | Complete Build with 15" M-Lok | Premium Custom Rifle
Features for the MA-6.5 Grendel 16" Semi-Auto Complete Rifle:Barrel: 16” 6.5 Grendel Type 2 M4 barre..
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MA-6.5 Grendel Purple Vortex 16" Semi-Auto Rifle – Custom Billet Receiver, Skeleton Stock & Grip
Make a statement with our Purple Vortex MA-6.5 Grendel 16" Semi-Auto Complete Rifle, combining ..
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AR-15 .50 Beowulf Moriarti 16" Semi-Auto Rifle | Tanker Muzzle Brake | 12.7x42 Cal
The AR-15 .50 Beowulf Moriarti 16" Semi-Auto Rifle is built for power and precision, chambered in th..
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AR-15 18″ 6MM ARC STAINLESS SEMI AUTO RIFLE/ SIDE CHARGER / MBA3
AR-15 18″ 6MM ARC STAINLESS SEMI AUTO RIFLE/ SIDE CHARGER / MBA3. FFL transfer item. Features:B..
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AR-15 350 Legend 18" Semi-Auto Rifle | 15" Free Float M-LOK | Multi-Cal Stock | Moriarti Armaments
Upgrade your AR-15 platform with the 350 Legend 18" Semi-Auto Rifle from Moriarti Armaments. The 350..
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AR-15 5.56 NATO 10.5" Moriarti Arms SBR |Magpul| Sights| Mag
Note: This is an NFA regulated short barreled rifle (SBR). Know your jurisdiction's NFA laws before ..
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AR-15 5.56/.223 16" BLACK DIAMOND SEMI AUTO RIFLE / MAGPUL MOE / MAG
AR-15 5.56/.223 16" BLACK DIAMOND SEMI AUTO RIFLE / MAGPUL MOE / 1 MAGAZINE INCLUDED • ..
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AR-15 5.56/.223 16" MA-15 ENHANCED SERIES M4 RIFLE / MAGPUL / OD GREEN
AR-15 5.56/.223 16" MA-15 DEFENDER SERIES M4 RIFLE / MAGPUL / OD GREEN / 1 MAG INCLUDED. FFL transfe..
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AR-15 5.56/.223 COMPLETE RIFLE – 16 IN / 5.56 NATO / M-LOK RAIL / AERO PRECISION LOWER
AR-15 5.56/.223 COMPLETE RIFLE – 16 IN / 5.56 NATO / M-LOK RAIL / AERO PRECISION LOWER. FFL transfer..
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AR-15 5.56/.223 MA-15 20" BULL SEMI-AUTO RIFLE W/MAG
AR-15 5.56/.223 MA-15 20" BULL SEMI-AUTO RIFLE W/MAG. FFL transfer item. All NFA rules apply. Comes ..
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AR-15 5.56/.223 Moriarti 16" Stainless Diamond Semi-Auto Rifle / MLOK / MAG
AR-15 5.56/.223 16" Stainless Diamond Semi-Auto Rifle / MLOK / MAGFFL Transfer ItemIntroducing the M..
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AR-15 5.56/.223 MORIARTI ARMAMENTS 16" TACTICAL RIFLE / FDE / SL-K
AR-15 5.56/.223 MORIARTI ARMAMENTS 16" TACTICAL RIFLE / FDE / SL-K Made in USA by Mo..
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AR-15 5.56/.223 MORIARTI ARMAMENTS 24" SUPER VARMINTER / FDE
AR-15 5.56 MORIARTI ARMAMENTS 24" SUPER VARMINTER / FDE The super varminter all..
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AR-15 MORIARTI .458 SOCOM 16" SEMI AUTO RIFLE | MAGPUL MOE | MLOK
MORIARTI .458 SOCOM 16" SEMI AUTO RIFLE | MAGPUL MOE. This AR rifle features a forged aluminum ..
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AR-47 7.62X39 16" FLUTED STAINLESS STEEL SEMI-AUTO RIFLE / MAGPUL
AR-47 7.62X39 16" FLUTED STAINLESS STEEL SEMI-AUTO RIFLE / MAGPUL. FFL transfer item. All NFA rules ..
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AR-47 7.62x39 Moriarti Complete Semi Auto Rifle – 16" Barrel / M-LOK Rail / LE Stock
Unleash superior performance with the AR-15 7.62x39 Complete Rifle, featuring a Moriarti Arms forged..
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MA-15 .223 Wylde 18" Stainless Semi-Auto Sport Rifle / M-lok / Mag
PRODUCT DESCRIPTIONMoriarti Armaments, Semi-automatic Rifle, .223 Wylde (shoots both, 5.56 NATO and ..
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MA-15 16" Airlight Series Rifle | Semi-Auto | Green | Choose Caliber: 5.56 NATO, .300 Blackout, 7.62x39, 5.45x39
Introducing the MA-15 16" Airlight Series Rifle in Green—a premium, lightweight AR-15 rifle that com..
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MA-15 16" Airlight Series Rifle | Semi-Auto | Red Anodized Finish | Choose Caliber (5.56 NATO, .300 Blackout, 7.62x39)
Looking for a high-performance AR-15 rifle with a sleek and lightweight design? The MA-15 5.56/.223 ..
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MA-15 300 AAC Blackout 16" ENHANCED SERIES SEMI-AUTO RIFLE / OD GREEN / MAG
MA-15 300 AAC Blackout 16" ENHANCED SERIES SEMI-AUTO RIFLE / OD GREEN / MAGFeatures:Color: OD Green ..
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MA-15 5.56/.223 16" AIRLIGHT SERIES SEMI AUTO RIFLE / CHROME / ENHANCED
MA-15 5.56/.223 16" AIRLIGHT SERIES SEMI AUTO RIFLE - CHROME provides the shooter a light-weigh..
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MA-15 MORIARTI .224 VALKYRIE 20″ STAINLESS STEEL SEMI AUTO RIFLE / MLOK
MA-15 MORIARTI .224 VALKYRIE 20″ STAINLESS STEEL SEMI AUTO RIFLE / MLOKThe Moriarti Armaments A..
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MA-15 Moriarti 16" Titanimum Alpha Complete Semi Auto Rifle – Choose Your Caliber: 5.56, 300BLK, 6.5GR or 7.62x39
Unleash superior performance with Moriarti's newest addition to its rifle collection, the MA-15 Mori..
-228x228.webp "MA-15 Moriarti 5.56/.223 16\" Airlight Series Rifle | Colors: Purple or Blue | Lightweight, Precision, USA-Made")
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MA-15 Moriarti 5.56/.223 16" Airlight Series Rifle | Colors: Purple or Blue | Lightweight, Precision, USA-Made
The MA-15 Moriarti 5.56/.223 16" Airlight Series Rifle in Purple or Blue combines high-performance, ..
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MA-47 7.62X39 18" SURGE SEMI AUTO RIFLE / ENHANCED / MAG
MA-47 7.62X39 18" SURGE SEMI AUTO RIFLE / MLOK. Made to mil-spec tolerances. Must be shipped t..
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MORIARTI .450 BUSHMASTER 16" SEMI AUTO RIFLE | MAGPUL MOE
MORIARTI .450 BUSHMASTER 16" SEMI AUTO RIFLE | MAGPUL MOE. This AR rifle features a forged alum..
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Moriarti AR-15 16" 300AAC Blackout MA-300 Semi-Auto Rifle with Mag
The Moriarti MA-300 AR-15 rifle chambered in 300AAC Blackout is a reliable and versatile firearm pla..
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Moriarti AR-15 16″ 6MM ARC Nitride Rifle with M-LOK Rail & Alpha Stock
The AR-15 16″ 6MM ARC Rifle from Moriarti Armaments delivers exceptional long-range precision in a l..
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MORIARTI AR-15 5.56 NATO 16" MA-15 DEFENDER SERIES M4 SEMI AUTO RIFLE / MAGPUL / MAG
AR-15 5.56 NATO 16" MA-15 Defender Series M4 Semi-Auto Rifle | Magpul Stock | Includes 1 Mag | Made ..
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Moriarti AR-15 5.56 NATO 16" Semi Auto Rifle | Left Hand | Magpul Moe | Made in USA
AR-15 5.56/.223 Wylde 16" Semi-Auto Rifle | Left Hand | Magpul Moe – Made in the USA Designed for l..
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Moriarti Arms 6.5 Grendel 18" Tanker Semi-Auto Rifle | Stainless Barrel, M-Lok, Alpha Stock
The Moriarti Arms 6.5 Grendel 18" Tanker Semi-Auto Rifle is a high-performance firearm built for tho..
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Moriarti MAGPUL MOE AR-15 5.56/.223 16" Semi-Auto Rifle – FDE
Unleash your performance with the MAGPUL MOE AR-15 5.56/.223 16" Semi-Auto Rifle, expertly crafted f..
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Smith and Wesson M&P15 SPORT III 5.56 NATO / .223 Remington | 16" Barrel | 30RD | Black
The Smith & Wesson M&P15 SPORT III offers exceptional performance and reliability in a sleek..
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Moriarti Arms MA-15 6.5 Grendel 22" Semi-Auto Rifle | Magpul PRS Stock, M-Lok Handguard
The Moriarti Arms MA-15 6.5 Grendel 22" Semi-Auto Rifle is designed for precision shooting and hunti..
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SIG MCX SPEAR-LT 7.62x39 16" Rifle – Semi-Auto, M-LOK, QD Suppressor-Ready, Available in Black or Coyote Finish
Experience the next evolution of modular rifle technology with the SIG MCX SPEAR-LT in 7.62x39. Buil..
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Moriarti MA-15 5.56 NATO 13.9" 'The Transformer' Enhanced TakeDown Semi Auto Short Barreled Rifle
The MA-15 5.56 NATO 13.9" 'The Transformer' Enhanced TakeDown Semi Auto Rifle from Moriarti Armament..
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AR-15 16" Patriot Semi-Auto Rifle | Trump Battleworn Edition | A2 | Available in 5.56 NATO, 300 Blackout, & 7.62x39 Calibers
Looking for a reliable, high-quality AR-15 rifle? The AR-15 16" Patriot Semi-Auto Rifle in Trump Bat..
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AR-15 5.56/.223 16" Blue Diamond Tactical Semi-Auto Rifle / Magpul MOE / 1 Magazine Included
Take your shooting experience to the next level with the AR-15 5.56/.223 16" Blue Diamond Tactical S..
AR-15 5.56/.223 16" GREEN DIAMOND SEMI AUTO RIFLE / MAGPUL / MAG
AR-15 5.56/.223 16" GREEN DIAMOND SEMI AUTO RIFLE / MAGPUL / MAGAZINE INCLUDED • ..
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AR-15 5.56/.223 16" RED DIAMOND TACTICAL SEMI-AUTO RIFLE – MAGPUL / 1 MAGAZINE INCLUDED
Experience the power and precision of the Red Diamond Tactical AR-15. Built for both performance and..
Diamondback DB15 5.56/.223 Semi-Automatic Rifle – M-LOK – 16" Barrel – Made in USA
Introducing the Diamondback DB15, a semi-automatic rifle that combines military-grade performance wi..
Moriarti Armaments AR-15 5.45X39 "Vortex Vanguard" 16" M4 Sporting Rifle - MLOK/LE Stock
The Moriarti Armaments AR-15 5.45X39 "Vortex Vanguard" 16" M4 Sporting Rifle is a cutting-edge, high..
Moriarti Arms 6.5 Grendel 16" Semi-Auto Rifle | Stainless Diamond Fluted Barrel, M-Lok
The Moriarti Arms 6.5 Grendel 16" Semi-Auto Rifle is the ultimate choice for hunters and tactical sh..
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Barrett M107A1 Flat Dark Earth .50 BMG 29" Barrel 10-Rounds 3 Mags
The Barrett M107A1 is a powerful and precise semi-automatic rifle, chambered in .50 BMG, featuring a..