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AR-15 Calibers – Modern Sporting Rifles

AR-15 modern sporting rifle caliber categories – Moriarti Armaments

AR-15 Rifle Calibers and Configurations

AR-15 modern sporting rifles are available in a range of chamberings, from traditional 5.56 NATO and .223 Remington to specialty cartridges including .300 AAC Blackout, 6.5 Grendel, 6mm ARC, .350 Legend, .400 Legend, .450 Bushmaster, and .50 Beowulf. This category organizes AR-15 rifle configurations by caliber, making it easier to identify cartridge families, compare published specifications, and navigate Moriarti's modern sporting rifle catalog.

Are all AR-15 calibers interchangeable?

No. AR-15 chamberings can require different barrels, bolts, magazines, and other caliber-specific components. Compatibility depends on the exact firearm configuration and manufacturer specifications.

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AM DEF ADM4 5.56 14.5 AM DEF ADM4 5.56 14.5

AM DEF ADM4 5.56 14.5

This American Defense Mfg. ADM4 is a semi-automatic rifle chambered in 223/5.56. It has a 14.5" barr..

$1,475.00
AM DEF ADM4 RIFLE MLOK 16 AM DEF ADM4 RIFLE MLOK 16

AM DEF ADM4 RIFLE MLOK 16

This American Defense Mfg. ADM4 is a semi-automatic rifle chambered in 223/5.56. It has a 16" barrel..

$1,475.00
AM DEF UIC MOD 1 5.56 13.9 AM DEF UIC MOD 1 5.56 13.9

AM DEF UIC MOD 1 5.56 13.9

This American Defense Mfg. UIC MOD-1 is a semi-automatic rifle chambered in 5.56 NATO. It has a 13.9..

$1,475.00
AM DEF UIC MOD 1 5.56 14.5 AM DEF UIC MOD 1 5.56 14.5

AM DEF UIC MOD 1 5.56 14.5

This American Defense Mfg. UIC-MOD-1 is a semi-automatic rifle chambered in 5.56 NATO. It has a 14.5..

$1,595.00
AM DEF UIC MOD 1 5.56 14.5 AM DEF UIC MOD 1 5.56 14.5

AM DEF UIC MOD 1 5.56 14.5

This American Defense Mfg. UIC-MOD-1 is a semi-automatic rifle chambered in 5.56 NATO. It has a 14.5..

$1,475.00
AM DEF UIC MOD2 223WYLDE 13.9 AM DEF UIC MOD2 223WYLDE 13.9

AM DEF UIC MOD2 223WYLDE 13.9

This American Defense Mfg. UIC-MOD-2 is a semi-automatic rifle. It has a 13.9" barrel, an anodized f..

$2,200.00
AM DEF UIC MOD2 223WYLDE 14.5 AM DEF UIC MOD2 223WYLDE 14.5

AM DEF UIC MOD2 223WYLDE 14.5

This American Defense Mfg. UIC-MOD-2 is a semi-automatic rifle. It has a 14.5" barrel, an anodized f..

$2,200.00
APF ELITE LTR 223WYLDE 16

APF ELITE LTR 223WYLDE 16

This Alex Pro Firearms Elite LTR is a semi-automatic rifle. It has a 16" barrel, a cerakote finish a..

$3,400.00
BAD AUTHORITY ELITE AMBI 16 BAD AUTHORITY ELITE AMBI 16

BAD AUTHORITY ELITE AMBI 16

This Battle Arms Development Authority Elite is a semi-automatic rifle chambered in 223/5.56. It has..

$1,783.95
BAD OIP ULTRA LIGHT RIFLE 16

BAD OIP ULTRA LIGHT RIFLE 16

This Battle Arms Development OIP is a semi-automatic rifle chambered in 223/5.56. It has a 16" barre..

$3,559.95
BARRETT REC7 556 BLK MLOK 30RD

BARRETT REC7 556 BLK MLOK 30RD

This Barrett REC7 is a semi-automatic rifle chambered in 223/5.56. It has a 16" barrel, a black anod..

$2,100.00
BCM 300BLK RECCE-16 BCM 300BLK RECCE-16

BCM 300BLK RECCE-16

This Bravo Company RECCE-16 MCMR Carbine is a pistol chambered in 300 Blackout. It has a 16" barrel,..

$1,919.00
BCM 5.56 RECCE-14 BCM 5.56 RECCE-14

BCM 5.56 RECCE-14

This Bravo Company Recce 14 KMR-A Carbine is a semi-automatic pistol chambered in 223/5.56. It has a..

$1,919.00
BCM MID-16 MOD 2 5.56 16

BCM MID-16 MOD 2 5.56 16

This Bravo Company MID-16 Mod 2 is a semi-automatic pistol chambered in 223/5.56. It has a 16" barre..

$1,952.00
BCM RECCE-14 LW 5.56 14.5 BCM RECCE-14 LW 5.56 14.5

BCM RECCE-14 LW 5.56 14.5

This Bravo Company RECCE 14 MCMR-LW Carbine is a semi-automatic pistol chambered in 223/5.56. It has..

$1,919.00
BCM RECCE-16 MCMR 5.56 W/ MLOK RAIL BCM RECCE-16 MCMR 5.56 W/ MLOK RAIL

BCM RECCE-16 MCMR 5.56 W/ MLOK RAIL

This Bravo Company RECCE-16 MCMR Carbine is a semi-automatic pistol chambered in 223/5.56. It has a ..

$1,795.00
BCM RECCE-16 MOD 0 5.56 W/RAIL 30RD

BCM RECCE-16 MOD 0 5.56 W/RAIL 30RD

This Bravo Company Model 0 is a semi-automatic rifle chambered in 223/5.56. It has a 16" barrel, an ..

$1,795.00
BCM RECCE-18 MCMR 5.56 18 BCM RECCE-18 MCMR 5.56 18

BCM RECCE-18 MCMR 5.56 18

This Bravo Company RECCE-18 MCMR Precision is a semi-automatic rifle chambered in 223/5.56. It has a..

$2,119.00
BLACK RAIN SPEC15 556NATO 16 BLACK RAIN SPEC15 556NATO 16

BLACK RAIN SPEC15 556NATO 16

This Black Rain Ordnance SPEC15 is a semi-automatic rifle chambered in 223/5.56. It has a 16" barrel..

$1,069.00
BRO A2 556NATO 16

BRO A2 556NATO 16

This Black Rain Ordnance A2 is a semi-automatic rifle chambered in 223/5.56. It has a 16" barrel, an..

$899.00
BRO A2 556NATO 16 BRO A2 556NATO 16

BRO A2 556NATO 16

This Black Rain Ordnance A2 is a semi-automatic rifle chambered in 223/5.56. It has a 16" barrel and..

$999.00
BRO SPEC+ 556NATO 16

BRO SPEC+ 556NATO 16

This Black Rain Ordnance Spec+ is a semi-automatic pistol chambered in 223/5.56. It has a 16" barrel..

$1,399.00
BRO SPEC+ 556NATO 16 BRO SPEC+ 556NATO 16

BRO SPEC+ 556NATO 16

This Black Rain Ordnance Spec+ is a semi-automatic pistol chambered in 223/5.56. It has a 16" barrel..

$1,579.00
BRO SPEC+ 556NATO 16 BRO SPEC+ 556NATO 16

BRO SPEC+ 556NATO 16

This Black Rain Ordnance Spec+ is a semi-automatic pistol chambered in 223/5.56. It has a 16" barrel..

$1,579.00
Showing 1 to 24 of 405 (17 Pages)

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