.691

DNA Insert Barrel Kit (PWR Compatible) – Stainless Steel

• Complete Kit – Includes six stainless steel inserts (.677, .680, .683, .686, .688, .691) in a compact protective neoprene wrap (colors may vary).

• Premium Stainless Steel – Made from 303 stainless steel, electropolished, clearly marked with bore size + skull icon; stronger and more durable than aluminum.

• Enhanced Performance – Extra weight reduces barrel vibration and rise, giving more stable and consistent shooting.

• Versatile Compatibility – Works with all PWR system tips & backs including Silencio, Double Helix, PWR Grips, and stock Planet Eclipse S63.