The Keystone Sporting Arms Mini 1903-A3 (KSA1903) is a single-shot bolt-action youth rifle chambered in .22 LR with a 16.5-inch threaded barrel. It is a scaled-down replica of the Springfield 1903-A3 with a wood fixed stock and black steel receiver. The threaded barrel accepts standard muzzle devices. 
 

Key Specifications 

• Brand: Keystone Sporting Arms 
• Model: Mini 1903-A3 (KSA1903) 
• Caliber: .22 LR 
• Action: Bolt Action 
• Capacity: 1 round 
• Barrel Length: 16.5 inches 
• Color/Finish: Black Steel Receiver, Wood Stock 
   

Detailed Features 

• Single-shot configuration 
• 16.5-inch threaded barrel 
• Black steel receiver 
• Wood fixed stock 
• Youth-sized Springfield 1903-A3 replica design

Parents buying the Mini 1903-A3 as an introductory rifle for young shooters generally report it delivers well on its core purpose: a manageable, single-shot platform that enforces deliberate trigger discipline. The 1903-A3 replica styling is a genuine draw for families with military history interest.

The wood stock and black receiver receive praise for looking more traditional than plastic-stocked youth guns, though some owners note the wood finish is basic and shows handling marks quickly. The threaded barrel is a practical addition that not everyone expects at this price point.

As a single-shot, the Mini 1903-A3 is not for shooters expecting any volume of fire. Most buyers accept that limitation knowing what they purchased; the complaint that does come up is that the bolt travel can feel stiff until it breaks in.