Also available to competition shooters is the SP22 M4. The M4 model retains the same standard features that are found on the M3 model but includes a medium sized adjustable wooden grip with hand support. Optional Picatinny-style rails can be added to the M4.
Designed with the flexibility and performance features needed for competition or plinking, the SP22 offers various expansion options through a four-model family. Each SP22 model is chambered in .22 LR and offers a variety of accessories for all levels of sport shooting. The SP22 pistol is manufactured with a high-strength aluminum housing with all-steel internal components. The pistol is offered in four unique models - the SP22 M1, SP22 M2, SP22 M3 and SP22 M4. Smith & Wesson has begun shipments of the SP22 M1 and M2 models with the remainder of the SP22 line expected to be available in Spring 2008.
Providing the ultimate in flexibility, the SP22 will be available with a variety of optional accessories to match each pistol. Allowing users to tailor the pistol to all shooting sports disciplines, the SP22 can easily cater to every user group from beginning youth to expert competition shooters. Accessories for the SP22 include: an interchangeable 6-inch barrel system, Picatinny-style rails for the 4 and 6-inch models, junior polymer grips, adjustable wooden match grips, TRUGLO® sport sights, laser sights and a variety of optics. In addition, the M2, M3 and M4 models can accommodate an under barrel weight which can be individually removed and positioned to suit user preference resulting in customized balance.