Powder River Precision PRP 1911 Barrel Link Blanks 5 Pack. This system solves the problems with fitting custom 1911 barrels and relying on available nominal size barrel links. Now you can perfectly fit a link to the specific dimensions needed for your Barrel Slide Frame Slide Stop etc. Specifications for Powder River Precision PRP 1911 Barrel Link Blank Pack: Manufacturer: Powder River Precision Color: Black/Stainless Steel Fabric/Material: Stainless Steel Gun Make: 1911 Platform Gun Model: 1911 Package Contents: Powder River Precision PRP 1911 Barrel Link Blank Pack What firearm models does the manufacturer say Powder River Precision PRP 1911 Barrel Link Blank Pack is compatible with? The manufacturer says that Powder River Precision PRP 1911 Barrel Link Blank Pack is compatible with 1911Powder River Precision PRP-BLB-001: PRP 1911 Barrel Link Blanks 5 Pack