MasterPiece Arms MPA1SST California Side Cocker .45 ACP Blue/Black Rifle
Caliber: .45 ACP · Capacity: 1
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Specifications
Action Single Shot
Ambidextrous Safety No
Barrel Length 16 inches
Caliber / Gauge .45 ACP
Capacity 1
Finish Blue/Black
Grip Safety No
Manual Safety Yes
Optic Ready Yes
Sights Standard Sights
Threaded Barrel Yes
Trigger Safety No
Description
Product Overview
The MasterPiece Arms MPA1SST is a California-compliant, side-cocking single-shot rifle chambered in .45 ACP. It features a 16-inch barrel, fixed MPA low-profile buttstock, AR-15-style handguard, and aluminum quad rail for a stable, configurable shooting platform. An adjustable front sight and included scope mount provide flexible aiming options, while the fixed muzzle brake is installed on a barrel threaded 11/16x16. The package includes a dummy polymer magazine and mag loader for handling and storage support.
Key Features
- Single-shot .45 ACP configuration with one-round capacity
- 16-inch barrel with 11/16x16 muzzle threading
- California-compliant bullet-button configuration
- Side-cocking action for convenient manipulation
- Fixed MPA low-profile synthetic buttstock
- AR-15 handguard with MPA aluminum quad rail for accessory mounting space11/16x16 muzzle threading
The MPA1SST combines a compliant single-shot design with practical rail space and a compact rifle configuration for range use.
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to WWW.P65WARNINGS.CA.GOV
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- SKU:
- MPA1SST-CA
- UPC:
- 628586547346
- BUDS ID:
- 411552785
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Retail Availability
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2270 Two Rivers Blvd, Sevierville, TN 37876Uncle Lee's - Greenville, KY
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| Action | Single Shot | Semi-Automatic | Semi-Automatic | Semi-Automatic | Semi-Automatic |
| Barrel Length (in.) | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 |
| Caliber / Gauge | .45 ACP | .45 ACP | .45 ACP | .45 ACP | .45 ACP |
| Capacity | 1 | 10 | 10 | 10 | 10 |
| Finish | Blue/Black | Flat Dark Earth | Alpine | Blue/Black | Cerakote Ironwood Delta |
| Manual Safety | Yes | Yes | Yes | Yes | Yes |
| Optic Ready | Yes | Yes | Yes | Yes | Yes |
| Sights | Standard Sights | Standard Sights | Standard Sights | Standard Sights | Standard Sights |
| Threaded Barrel | Yes | Yes | Yes | Yes | Yes |
| Ambidextrous Safety | No | Yes | Yes | Yes | Yes |
| Overall Length (in.) | N/A | 35.25 | 35.75 | 35.37 | 35.25 |
| Weight (lbs) | N/A | 8.2 | 8.2 | 7.7 | 8.6 |
| Trigger Safety | No | No | Yes | No | No |
| Actions | Current Item |



