Agency Arms Premier Line Match Grade Drop-In Barrel Fluted Glock 17 DLC. These drop in match grade barrels are machined with tighter tolerances greater chamber support optimized feed ramps over stock. The barrels are machined from 416R Stainless Steel Fluted Pulled Broached rifling with a 1:10 twist rate. Non-threaded models feature an octagonal crown with a reverse crown threaded models are threaded in 1/2 x 28 with a matching octagonal thread protector. Offered in a Matte Stainless Steel Diamond Like Carbon (DLC) and Titanium Nitride (TiN). Specifications for Agency Arms Premier Line Match Grade Drop-In Barrel Fluted Glock 17: Mfg Item Num: PLG17FTIN Supplier SKU: 47600 Category: EXTRA BARRELS Caliber or Gauge: 9mm Length: 4.48" Model: Glock 17 Twist: 1:10" Sights: None Finish: Titanium Nitride Type: Handgun Features of Agency Arms Premier Line Match Grade Drop-In Barrel Fluted Glock 17 Material - 416R Stainless Steel Twist Rate - 1:10 Rifling - Pull Broached Octagonal Flat Fluting Crown - Octagonal Flats with a Reverse Crown Finish - Diamond Like Carbon Compatible with the Glock 17 Gen 1-4 Package Contents: Agency Arms Premier Line Match Grade Drop-In Barrel Fluted Glock 17 Barrel Case The Agency Arms Premier Line Match Grade Drop-In Barrel Fluted Glock 17 is a quality addition to the Agency Arms lineup. For more great deals on Pistol Barrels by Agency Arms please browse our Agency Arms Gun Parts page. What firearm models does the manufacturer say Agency Arms Premier Line Match Grade Drop-In Barrel Fluted Glock 17 is compatible with? The manufacturer suggests that Agency Arms Premier Line Match Grade Drop-In Barrel Fluted Glock 17 is compatible with Glock 17Agency Arms 25G17-BPL-DLC: Premier Line Compatible With Glock 17 9mm 4.48 Black DLC