Big Bore & Magnum Rifles
Big Bore Rifle Calibers and Platform Configurations
Moriarti's Big Bore & Magnum Rifles category covers modern sporting rifles chambered for larger-diameter and specialty cartridges. These configurations may include .450 Bushmaster, .458 SOCOM, .50 Beowulf (12.7×42mm), and other applicable magnum chamberings. Browse rifle configurations by caliber, barrel specifications, receiver platform, and component features. Cartridge dimensions, operating systems, and platform compatibility vary by model, making accurate chambering identification essential.
Are big bore AR rifles compatible with standard AR-15 components?
Compatibility varies by caliber and firearm configuration. Some big bore rifles use AR-15-pattern receivers, but caliber-specific barrels, bolts, magazines, and other components may differ. Always consult the manufacturer's specifications for the exact model.
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BLACK RAIN SPEC15 458SOCOM 16
This Black Rain Ordnance SPEC15 is a semi-automatic rifle. It has a 16" barrel. It holds 10 rounds i..
NEMO OMEN MATCH 3.0 300WIN 22
This Nemo Arms OMEN Match 3.0 is a semi-automatic rifle chambered in 300 Win Mag. It has a 22" barre..
RRA LAR-15M TAC 458SOCOM 16
This Rock River Arms LAR-15M Tactical Carbine is a semi-automatic rifle. It has a 16" barrel, an ano..
BLACK RAIN SPEC15 458SOCOM 16
This Black Rain Ordnance SPEC15 is a semi-automatic rifle. It has a 16" barrel, an anodized finish a..
BRO TYRANT 450BM 16
This Black Rain Ordnance Tyrant is a semi-automatic rifle chambered in 450 Bushmaster. It has a 16" ..
NEMO OMEN RECON 300WIN 18
This Nemo Arms OMEN Recon 3.0 is a rifle chambered in 300 Win. It has an 18" barrel and Magpul PRS B..
NEMO OMEN WATCHMAN 300WIN 24
This Nemo Arms Omen Watchman is a semi-automatic rifle chambered in 300 Win Mag. It has a 24" barrel..
RRA ALL TERRAIN HUNTER 450BM 16
This Rock River Arms LAR-15M All Terrain Hunter is a semi-automatic rifle chambered in 450 Bushmaste..
STEYR SSG M1 338 LAPUA MAG 10RD FDE
This Steyr Arms SSG M1 is a bolt action rifle chambered in 338 Lapua Mag. It has a 27.2" barrel and ..