Alex PRO Firearms RI355 M4 Pistol 11.5 SBA3 30rd
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Alex Pro Firearms
Overview
The Alex PRO Firearms RI355 M4 Pistol 11.5 SBA3 30rd is a complete rifle. Compare prices from multiple merchants and find the best deal.
Specifications
MPNRI355
PlatformAR-15
Barrel Length11.5
Caliber5.56 NATO
Gas System LengthCarbine
Action TypeSemi-Auto
Thread Pitch1/2x28
Twist Rate1:7
ColorBlack
Available Merchants(1)
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Price and stock
Availability is good for the Alex PRO Firearms RI355 M4 Pistol 11.5 SBA3 30rd: it was in stock at one retailer or another nearly every day in September 2026, and today the one retailer we track has it in stock. The best price crept up from $1,294.69 to $1,335.38 over September 2026. Buying today, the lowest price is $1,335.38 at Classic Firearms.
Prices checked · refreshed daily across 37 retailers
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