Backlight Chassis Magazine Fitment Sheet

{% comment %}BACKFIRE MAGAZINE TABLE — CORRECTED 2026-07-14 V3{% endcomment %}
Cartridge Magazine Recommendation for All Actions EXCEPT Tikka Tikka Magazine Recommendation Notes Action Length Cartridge nicknames
.300 PRC 300 PRC-Sized CIP-length AICS-pattern Magazine — — Long 300 PRC; 300 Precision Rifle Cartridge; 300PRC; .300 PRC; .300PRC
.300 Weatherby Magnum .300 Win Mag-Sized CIP-length AICS-pattern Magazine — — Long 300 Weatherby; 300 Wby Mag; 300 Weatherby Mag; 300 Weatherby Magnum; 300 Wby; 300 Wby Magnum; .300 Weatherby Magnum; .300WeatherbyMagnum
.30 Nosler 300 PRC-Sized CIP-length AICS-pattern Magazine — — Long 30 Nosler; .30 Nosler; .30Nosler
.28 Nosler 300 PRC-Sized CIP-length AICS-pattern Magazine — — Long 28 Nosler; .28 Nosler; .28Nosler
.27 Nosler 300 PRC-Sized CIP-length AICS-pattern Magazine — — Long 27 Nosler; .27 Nosler; .27Nosler
.26 Nosler 300 PRC-Sized CIP-length AICS-pattern Magazine — — Long 26 Nosler; .26 Nosler; .26Nosler
.264 Winchester Magnum .300 Win Mag-Sized CIP-length AICS-pattern Magazine — — Long 264 Win Mag; 264 Winchester; 6.5 Winchester Magnum; 264 Winchester Magnum; .264 Win Mag; 6.5 Win Mag; .264 Winchester Magnum; .264WinchesterMagnum
7mm PRC 7 PRC-Sized CIP-length AICS-pattern Magazine — — Long 7 PRC; 7mm Precision Rifle Cartridge; 7PRC; 7mmPRC; 7mm PRC
.300 Win Mag .300 Win Mag-Sized CIP-length AICS-pattern Magazine — — Long 300 Winchester Magnum; 300 WM; 300 Win; 300 Magnum; 300 Win Mag; 300 Winchester Mag; 300WM; .300 WM; .300 Win Mag; .300WinMag
.35 Whelen .30-06-Sized CIP-length AICS-pattern Magazine — — Long 35 Whelen; .35 Whelen; .35Whelen
.30-06 Springfield .30-06-Sized CIP-length AICS-pattern Magazine — — Long 30-06; 30 ought six; 30 aught six; 30-06 Sprg; 30-06 Springfield; 30 06; 30 ought 6; 30 aught 6; thirty ought six; thirty aught six; .30-06 Springfield; .30-06Springfield; .30 06 Springfield
.270 Winchester .30-06-Sized CIP-length AICS-pattern Magazine — — Long 270 Win; 270 Winchester; .270 Win; .270 Winchester; .270Winchester
6.5 Weatherby RPM .30-06-Sized CIP-length AICS-pattern Magazine — — Long 6.5 Wby RPM; 6.5 RPM; 6.5 Weatherby Rebated Precision Magnum; 65 RPM; 6.5 Weatherby RPM; 65 Weatherby RPM; 6.5WeatherbyRPM
7mm Backcountry .30-06-Sized CIP-length AICS-pattern Magazine — — Long 7 Backcountry; 7 BC; 7mm BC; 7 Back Country; 7mm Backcountry; 7mmBackcountry
.280 Remington .30-06-Sized CIP-length AICS-pattern Magazine — — Long 280 Rem; 7mm Express Remington; 280 Remington; .280 Rem; 7mm Express; .280 Remington; .280Remington
.280 Ackley Improved .30-06-Sized CIP-length AICS-pattern Magazine — — Long 280 AI; 280 Ackley; 280 A.I.; 280 Ackley Improved; 280AI; .280 AI; .280 Ackley Improved; .280AckleyImproved
.270 Weatherby Magnum .300 Win Mag-Sized CIP-length AICS-pattern Magazine — — Long 270 Weatherby; 270 Wby Mag; 270 Weatherby Magnum; 270 Weatherby Mag; .270 Wby; .270 Weatherby Magnum; .270WeatherbyMagnum
7mm Rem Mag .300 Win Mag-Sized CIP-length AICS-pattern Magazine — — Long 7mm Remington Magnum; 7 Rem Mag; 7RM; 7 mm Rem Mag; 7mm Rem Mag; 7mmRemMag
.25-06 Remington .30-06-Sized CIP-length AICS-pattern Magazine — — Long 25-06; 25-06 Rem; 25-06 Remington; 25 06; 2506; .25-06 Remington; .25-06Remington; .25 06 Remington
6.5-284 Norma Match .30-06-Sized CIP-length AICS-pattern Magazine — — Long 6.5-284; 6.5 284 Norma; 6.5x284; 6.5-284 Norma; 6.5 284; 65-284; 6.5-284 Norma Match; 65-284 Norma Match; 6.5-284NormaMatch; 6.5 284 Norma Match
.257 Weatherby Magnum .300 Win Mag-Sized CIP-length AICS-pattern Magazine — — Long 257 Weatherby; 257 Wby Mag; 257 Weatherby Magnum; 257 Weatherby Mag; .257 Wby; .257 Weatherby Magnum; .257WeatherbyMagnum
6.5 x 55 Swedish Mauser .30-06-Sized CIP-length AICS-pattern Magazine — Sometimes this cartridge needs a little tuning to come out of a magazine well. Long 6.5x55; 6.5 Swedish; Swedish Mauser; Swede; 6.5x55 Swedish; 6.5x55 SE; 6.5 Swedish Mauser; 6.5 Swede; 6.5 x 55 Swedish Mauser; 65 x 55 Swedish Mauser; 6.5x55SwedishMauser
7mm Mauser .30-06-Sized CIP-length AICS-pattern Magazine — — Long 7x57; 7x57 Mauser; 275 Rigby; 7x57mm; 7 mm Mauser; .275 Rigby; 7mm Mauser; 7mmMauser
.240 Weatherby Magnum .30-06-Sized CIP-length AICS-pattern Magazine — — Long 240 Weatherby; 240 Wby Mag; 240 Weatherby Magnum; 240 Weatherby Mag; .240 Wby; .240 Weatherby Magnum; .240WeatherbyMagnum
6.8 Western 6.5 PRC / .300 WSM-Sized AICS-pattern Magazine (3-round) 6.5 PRC / .300 WSM-Sized AICS-pattern Magazine (3-round) 6.8 Westerns in any stock/chassis usually benefit from a metal magazine so you can adjust the feed lips. Short 6.8 Western; 68 Western; 6.8 Win Western; 6.8Western
6.5 PRC 6.5 PRC / .300 WSM-Sized AICS-pattern Magazine (3-round) 6.5 PRC / .300 WSM-Sized AICS-pattern Magazine (3-round) — Short 6.5 Precision Rifle Cartridge; 65 PRC; 6.5PRC; 6.5 PRC
.325 WSM 6.5 PRC / .300 WSM-Sized AICS-pattern Magazine (3-round) 6.5 PRC / .300 WSM-Sized AICS-pattern Magazine (3-round) — Short 325 Winchester Short Magnum; 325 Short Mag; 325 WSM; .325 WSM; .325WSM
.300 WSM 6.5 PRC / .300 WSM-Sized AICS-pattern Magazine (3-round) 6.5 PRC / .300 WSM-Sized AICS-pattern Magazine (3-round) Do not use a polymer magazine for this cartridge. Use a metal magazine so you can bend/adjust the feed lips. Max COAL will be 2.87" for reloaders. Short 300 Winchester Short Magnum; 300 Short Mag; 300 WSM; 300WSM; .300 WSM; .300WSM
7 WSM 6.5 PRC / .300 WSM-Sized AICS-pattern Magazine (3-round) 6.5 PRC / .300 WSM-Sized AICS-pattern Magazine (3-round) Do not use a polymer magazine for this cartridge. Use a metal magazine so you can bend/adjust the feed lips. Short 7mm WSM; 7mm Winchester Short Magnum; 7 Short Mag; 7 WSM; 7WSM
.270 WSM 6.5 PRC / .300 WSM-Sized AICS-pattern Magazine (3-round) 6.5 PRC / .300 WSM-Sized AICS-pattern Magazine (3-round) — Short 270 Winchester Short Magnum; 270 Short Mag; 270 WSM; 270WSM; .270 WSM; .270WSM
7 SAUM 6.5 PRC / .300 WSM-Sized AICS-pattern Magazine (3-round) 6.5 PRC / .300 WSM-Sized AICS-pattern Magazine (3-round) — Short 7mm SAUM; 7mm Remington Short Action Ultra Magnum; 7 RSAUM; 7 SAUM; 7SAUM; 7RSAUM; 7mm RSAUM; 7mm Remington SAUM
6.5 Creedmoor .308 / 6.5 Creedmoor-Sized AICS-pattern Magazine .308 / 6.5 Creedmoor-Sized AICS-pattern Magazine — Short 6.5 CM; 6.5 Creed; 6.5 Creedmoor; 65 Creedmoor; 65 Creed; 65 CM; 6.5Creedmoor
6mm Remington .30-06-Sized CIP-length AICS-pattern Magazine — — Long 6mm Rem; 244 Remington; 6 Remington; .244 Remington; 6mm Remington; 6mmRemington
.25 Creedmoor .308 / 6.5 Creedmoor-Sized AICS-pattern Magazine .308 / 6.5 Creedmoor-Sized AICS-pattern Magazine — Short 25 Creedmoor; 25 CM; 25 Creed; .25 Creed; .25 Creedmoor; .25Creedmoor
.338 Federal .308 / 6.5 Creedmoor-Sized AICS-pattern Magazine .308 / 6.5 Creedmoor-Sized AICS-pattern Magazine 338 Federal is a 308 Winchester case necked up to .338 caliber, so they use the same magazines. Short 338 Fed; 338 Federal; .338 Fed; .338 Federal; .338Federal
.308 Winchester .308 / 6.5 Creedmoor-Sized AICS-pattern Magazine .308 / 6.5 Creedmoor-Sized AICS-pattern Magazine — Short 308 Win; 7.62 NATO; 7.62x51; 7.62 x 51; 308 Winchester; 308; 7.62x51 NATO; 7.62x51mm; .308 Winchester; .308Winchester
7mm-08 Remington .308 / 6.5 Creedmoor-Sized AICS-pattern Magazine .308 / 6.5 Creedmoor-Sized AICS-pattern Magazine — Short 7mm-08; 7-08; 7mm 08; 7mm08; 7 08 Rem; 7mm-08 Remington; 7mm-08Remington; 7mm 08 Remington
.260 Remington .308 / 6.5 Creedmoor-Sized AICS-pattern Magazine .308 / 6.5 Creedmoor-Sized AICS-pattern Magazine — Short 260 Rem; 6.5-08 A-Square; 260 Remington; .260 Rem; 6.5-08; .260 Remington; .260Remington
6mm Creedmoor .308 / 6.5 Creedmoor-Sized AICS-pattern Magazine .308 / 6.5 Creedmoor-Sized AICS-pattern Magazine — Short 6 Creedmoor; 6 CM; 6 Creed; 6CM; 6 mm Creedmoor; 6mm Creedmoor; 6mmCreedmoor
.243 Winchester .308 / 6.5 Creedmoor-Sized AICS-pattern Magazine .308 / 6.5 Creedmoor-Sized AICS-pattern Magazine — Short 243 Win; 243; 243 Winchester; .243 Win; .243 Winchester; .243Winchester
.22 Creedmoor .308 / 6.5 Creedmoor-Sized AICS-pattern Magazine .308 / 6.5 Creedmoor-Sized AICS-pattern Magazine — Short 22 Creedmoor; 22 CM; 22 Creed; .22 Creed; .22 Creedmoor; .22Creedmoor
.220 Swift .22-250 Metal AICS-pattern Magazine (10-round) .22-250 Metal AICS-pattern Magazine (10-round) 220 Swift will probably need some tuning in order to get it to mag feed. Short 220 Swift; .220 Swift; .220Swift
6mm GT 6mm GT Polymer AICS-pattern Magazine (10-round) 6mm GT Polymer AICS-pattern Magazine (10-round) — Short 6 GT; 6mm Gay Tiger; 6GT; 6mm GT; 6mmGT
.30-30 Winchester Not compatible Not compatible The 30-30 Winchester is a rimmed cartridge. It's generally used in lever-action rifles. It doesn't work in an AICS-pattern magazine. Short 30-30; 30 30 Win; 30 WCF; 30-30 Winchester; 30-30 Win; 30 30; 3030; .30 WCF; .30-30 Winchester; .30-30Winchester; .30 30 Winchester
6mm XC .308 / 6.5 Creedmoor-Sized AICS-pattern Magazine .308 / 6.5 Creedmoor-Sized AICS-pattern Magazine — Short 6 XC; 6XC; 6mm XC; 6mmXC
6mm Dasher 6mm BR Metal AICS-pattern Magazine (10-round) 6mm BR Metal AICS-pattern Magazine (10-round) — Short 6 Dasher; 6Dasher; 6mm Dasher; 6mmDasher
6mm BR 6mm BR Metal AICS-pattern Magazine (10-round) 6mm BR Metal AICS-pattern Magazine (10-round) — Short 6 BR; 6mm Bench Rest; 6BR Norma; 6BR; 6mm BR Norma; 6mm Benchrest; 6mm BR; 6mmBR
.22-250 .22-250 Metal AICS-pattern Magazine (10-round) .22-250 Metal AICS-pattern Magazine (10-round) — Short 22-250 Remington; 22 250; 22-250 Rem; 22-250; 22250; .22-250 Rem; .22-250; .22 250
6mm ARC 6mm ARC Polymer AICS-pattern Magazine (10-round) 6mm ARC Polymer AICS-pattern Magazine (10-round) — Short 6 ARC; 6mm Advanced Rifle Cartridge; 6ARC; 6mm ARC; 6mmARC
6.5 Grendel 6mm ARC Polymer AICS-pattern Magazine (10-round) 6mm ARC Polymer AICS-pattern Magazine (10-round) — Short 6.5 Grendel; 65 Grendel; 6.5Grendel
.224 Valkyrie 6mm ARC Polymer AICS-pattern Magazine (10-round) 6mm ARC Polymer AICS-pattern Magazine (10-round) 6 ARC is close, but it'll probably take some tuning to feed a .224 Valkyrie from the mag. Short 224 Valkyrie; 224 Valk; .224 Valk; .224 Valkyrie; .224Valkyrie
.223 / 5.56 .223 / 5.56 Polymer AICS-pattern Magazine (10-round) .223 / 5.56 Polymer AICS-pattern Magazine (10-round) — Short 223 Remington; 223 Rem; 5.56 NATO; 5.56x45; 5.56 x 45; 223; 5.56x45 NATO; 5.56x45mm; 556 NATO; 556; .223 / 5.56; 223 / 5.56; 223 / 556; .223/5.56
.300 Blackout .308 / 6.5 Creedmoor-Sized AICS-pattern Magazine .308 / 6.5 Creedmoor-Sized AICS-pattern Magazine — Short 300 BLK; 300 AAC Blackout; 7.62x35; 300 Blackout; 300BLK; 300 AAC; 7.62x35mm; .300 Blackout; .300Blackout
.350 Legend .350 Legend Polymer AICS-pattern Magazine (10-round) .350 Legend Polymer AICS-pattern Magazine (10-round) — Short 350 Legend; 350 LGD; .350 LGD; .350 Legend; .350Legend
.204 Ruger .223 / 5.56 Polymer AICS-pattern Magazine (10-round) .223 / 5.56 Polymer AICS-pattern Magazine (10-round) — Short 204 Ruger; .204 Ruger; .204Ruger
.22 Arc 6mm ARC Polymer AICS-pattern Magazine (10-round) 6mm ARC Polymer AICS-pattern Magazine (10-round) — Short 22 ARC; 22 Advanced Rifle Cartridge; 22ARC; .22 Arc; .22Arc
7.62 x 39mm Not recommended Not recommended We're told you can modify a 6 ARC AICS-pattern mag to do this, but it's not easy off-the-shelf. Short 7.62x39; 7.62x39mm; 762x39; 7.62 Russian; M43; 7.62 x 39mm; 762 x 39mm
.222 Remington .223 / 5.56 Polymer AICS-pattern Magazine (10-round) .223 / 5.56 Polymer AICS-pattern Magazine (10-round) — Short 222 Rem; 222 Remington; .222 Rem; .222 Remington; .222Remington