Introducing the Texas Weapon Systems Rub Nub Picatinny Vertical Grip. Whether your rifle is an AK, AR, or any other rifle with a lower 1913 picatinny rail, if you're looking to protect your handguard from damage, improve your ergonomics while shooting, or stabilize your rifle on cover, the TWS Rub Nub has you covered. The Rub Nub is a mini grip that features a sacrificial, user replaceable, polymer cap designed to protect your rifle and it's accessories from abrasion and damage when supporting on rough surfaces. The Rub Nub's compact size makes it perfect for use as a hand stop, stubby grip, mini monopod, or even a barricade stop. Regardless of your shooting position, the Rub Nub is there to help you get the most out of your rifle. Light weight anodized aluminum keeps weight down while the meaty size feels positive and comfortable in the hand. Axial grooves improve grip and traction on barricades. FeaturesBetter ergonomics and controlProtects your handguardEnhances supported shooting