Masterpiece Arms 308BA (.308 Winchester, NRA Blue)

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.308 Winchester, 24" barrel, NRA Blue


MPA 308BA Bolt Action Rifle

  • R.A.T. System Compatible
  • Caliber – 308 Winchester
  • Action – Curtis Custom Axiom
  • Bolt – Precision Spiral Fluted One Piece Bolt
  • Barrel – Spencer/MPA Hand Lapped Barrel
  • Action/Bolt Design – Remington 700 Type
  • Chassis – MPA Tactical Aluminum Chassis
  • Muzzle Brake – MPA Muzzle Brake
  • Trigger – Trigger Tech
  • User Locate-able Barricade stop system compatible (requires purchase of rotating barricade stop)
  • Magazine – AICS or AW Mag Compatible. (10 Round AICS Compatible Magazine Included)
  • Built in Bubble Level
  • Machined Thumb Notch
  • Enhanced Vertical Grip
  • Adjustable Length of Pull
  • Adjustable Cheek Riser
  • R.A.T. System Compatible


Curtis Axiom, 3 Lug
All Critical Features are machined after heat treat (Hard Machining)
Recoil Lugs Ground to .0001″ Flatness and Parallelism


One Piece Design of the Bolt, Lugs and Handle
CNC OD Ground on All critical features and dimensions
Spiral Fluting on all Bolts
All Bolts are Hand Lapped and Fitted to each individual action
DLC Coated


Spencer/MPA Rifle Barrel
416RQ Stainless Steel
Precision Gun Drilled, Reamed and Honed
Pull Button Rifled
Stress Relieved
Hand Lapped
Bore and Land Inspected on Video Borescope
Sheffield Air Gage Inspection to .0001″
Chamber is indicated within .0001″ or less – to the bore of the rifle


Masterpiece Arms Tactical Chassis System
Produced from 6061 Aluminum
V-Bedding System
MPA Buttstock with Adjustable Cheek Riser, Length of Pull
Front mounted Bridge with Upper Picatinny Rail
Lower mounted Picatinny Rail
20 MOA Scope Rail
Cerakote Finish – Multiple Colors Available
User Locate-able Barricade stop system compatible (requires purchase of rotating barricade stop)
Built in Inclinameter
Thumb Notch
Recoil Pad is Adjustable for Height and Cant
R.A.T. System Compatible

MPA Muzzle Brake

MPA High Performance Muzzle Brake
Direct Thread Attachment (5/8-24 on .308 barrel)


Trigger Tech

Accuracy Guarantee

1/2 MOA (3 shot Group)

Rifle Case

Plano Basic Rifle Case


Chassis Weight – 5.2 lbs
Rifle Weight – 12.5 lbs (no mag or optic, 24″ Sendero Barrel Profile)
Barrel Twist – 1:10
Barrel Length – 24″ Standard
Barrel Muzzle Thread – 5/8-24 TPI
Barrel Profile – Sendero Profile (others available)
Bag Rider Included
Barrier Stop Compatible
Front Bridge – Removable (Included)
Coating – Cerakote
Length of Pull – 13.5-15″
Trigger Tech Special Trigger
Trigger Pull – 1.0-4 lbs.