The APF RI028 AR10 is a semi-automatic rifle chambered in .22-250 Rem. with a 24-inch stainless steel barrel and 1:14 twist rate. Weight is 8 lbs; capacity is 10 rounds. It ships with a Magpul MOE stock and grip, a 14-inch APF Modular Quad Rail, and a nickel boron bolt carrier group. The receiver is an AR10 DPMS-style lower. 
 

Key Specifications: 

• Model: RI028 AR10 
• Manufacturer: APF (Alex Pro Firearms) 
• Caliber: .22-250 Rem 
• Barrel Length: 24 inches 
• Capacity: 10 rounds 
• Action Type: Semi-Automatic 
• Weight: 8 pounds 
• Finish Color: Black 
   

Detailed Features 

The 24-inch stainless steel barrel with 1:14 twist supports the .22-250 Rem.'s high velocity and flat trajectory, which are its primary advantages at distance. The nickel boron BCG reduces friction and wear, contributing to smoother cycling. The 14-inch quad rail provides mounting real estate for lights, grips, or bipod attachments without modification. 
 
Being built on a DPMS-pattern AR10 lower means compatible .308 uppers can be swapped in, adding configuration flexibility. 
 
The Magpul MOE stock and grip are well-regarded ergonomic choices that work for most body types. 
 

Target Audience 

Varmint hunters and long-range precision shooters who want the .22-250 Rem. cartridge in a semi-auto AR10 platform, and shooters interested in a modular base that can accept multiple upper configurations. 
 

Usage Scenarios 

Varmint hunting at distance -- coyotes, prairie dogs -- where the .22-250's flat trajectory and velocity minimize wind compensation. Benchrest and precision target shooting benefit from the 24-inch barrel's velocity advantage. The quad rail and DPMS compatibility make it a good base for shooters who plan to build multiple configurations.

Owners of the APF Varmint Master .22-250 Rem tend to focus on accuracy as the primary strength. The caliber's flat trajectory and low recoil translate well to the semi-auto AR10 platform, and users report reliable precision at the extended distances typical for varmint work.

Build quality gets consistent positive marks. The materials and construction feel solid, and the nickel boron BCG in particular draws favorable comments for its contribution to smooth operation.

Ergonomics are well-regarded; the Magpul MOE furniture and control layout receive positive feedback across experience levels. Customization is a common discussion topic, with users swapping optics, adding bipods, and exploring the DPMS-pattern upper compatibility.

Pricing draws some debate. At the higher end for a semi-auto varmint rifle, some buyers feel there are competing options worth comparing before purchase. APF customer support gets mixed reviews -- some interactions are described positively, others less so in terms of response time.