Rifle Services

Re-barrel and chambering
- Replace old barrels that have been shot out
Trigger work
- Enhance factory triggers for a more consistent break, or replace with aftermarket trigger upgrades
Action tune-up
- Enhance bolt actions for tighter lock-up and less play
Muzzle brakes
- Threading barrels as needed and installing brakes to reduce recoil
Scope mounting

Chambering match barrels
- Match reamers centered to bore; cutting and threading the shoulder to fit the action
- Cutting the chamber with a match-grade reamer, held to a tolerance of +/- 0.0001 inch
Slugging the barrel for proper length
- Hand-pushing a lead slug through the barrel and marking the tightest point, which determines overall match barrel length and keeps velocity consistent from chamber to muzzle
Full receiver blueprinting
- Reaming the receiver to a known diameter front and rear; truing the action to the trued bore within +/- 0.0001 inch
- Truing receiver lugs to the receiver face, and chasing and truing receiver threads to bore
- Sleeving bolts to match the receiver within +/- 0.001 inch
- Lapping bolt lugs to the receiver to 80% contact or better
- Truing the bolt face
Bedding the action
- Bedding to fiberglass stocks (Manners, McMillan, Bell & Carlson, H&S Precision, and others); bedding floorplates to accept detachable magazines
Trigger stoned and set for a consistent break
- Enhance factory triggers for a more consistent break, or replace with aftermarket trigger upgrades

Mil-spec trigger enhancement
- Stoning engagement angles on trigger and hammer for a more consistent break
Aftermarket trigger upgrades
Complete build of lowers and uppers
- Assembled with customer-selected components
Rail replacement
- Replacing plastic handguards and A-post front sight with a low-profile gas block and customer-selected free-floated rail
Sights / scopes; barrels cut and threaded for muzzle brake or suppressor

Sterling Custom AR lowers are now available with the option of customized serial numbers.