The JPGS-5B model is our minimized small bore design intended to mount underneath many hand guard models on the market.
This model also now includes the locking adjustment feature, which consists of an integral brass set screw that can be tensioned against the adjustment screw after it has been set to prevent any migration that might occur.
Full coverage around gas port providing improved seal and better heat dissipation
True clamp-on design with four positive clamping screws
Easy to access side gas adjustment
Barrel Diameter: .750
Material: 416 stainless
Weight: 2.25 oz.
Height: 1.4" (overall), .78" (over bore)
Attachment: 6-32 x 3/8" socket head screws, T15 Torx drive (included)
(includes 5/64 x 5/16 roll pin for gas tube installation)
Adjustment: 6-32 x 3/8" set screw, 1/16 hex drive (included)