B5 Systems Modular Picatinny Stock – AR-15/M16 Platform (FDE)

The B5 Systems Modular Picatinny Stock enhances weapon control and adaptability through an integrated Picatinny rail system on the buttstock body. This configuration allows shooters to mount accessories like monopods, sling attachments, or cheek risers exactly where needed for improved stability and customized ergonomics. The stock's reinforced polymer construction provides repeatable cheek weld and consistent shoulder placement for precision shooting applications.

Constructed from impact-resistant polymer with a Flat Dark Earth finish, this stock features a rubber buttpad for recoil absorption and secure shouldering. The integrated Picatinny rail sections run along both sides and the bottom of the stock body. Compatible with mil-spec carbine buffer tubes, installation requires a standard castle nut wrench. The stock locks securely at six positions for length of pull adjustment from 10.5 to 14 inches.

• Type: Adjustable buttstock with integrated Picatinny rails
• Compatible Firearms: AR-15, M16, M4 with mil-spec carbine buffer tubes
• Material: Reinforced polymer body with rubber buttpad
• Finish: Flat Dark Earth (FDE)
• Adjustable: Yes – 6 positions
• Installation: Mil-spec carbine buffer tube, castle nut wrench required