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Bolts, Slides & Frames

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This is where Western Sport keeps the moving parts: AR-15 and AR-10 bolt carrier groups and bolts, Glock OEM slide parts, aftermarket pistol slides, and the levers and catches that work with them. If you are looking for a bolt assembly or a replacement slide part, start here.

AR-15 and AR-10 bolts and bolt carrier groups

Complete BCGs and bolt assemblies from Daniel Defense, FailZero, WMD Guns, Faxon, LanTac, Midwest Industries and Noveske, in 5.56 NATO, .308 Winchester, 6.5 Grendel, 9mm, 450 Bushmaster and 458 SOCOM. Match the bolt to your caliber, and have headspace checked when a new bolt goes into a used barrel. For carrier finishes, read our guide to BCG coatings, or browse BCGs and charging handles.

Pistol slides and Glock parts

Glock OEM extractors, firing pins, firing pin safeties, slide locks, slide stop levers, slide cover plates and spare MOS slides; Grey Ghost Precision and Noveske slides for Glock 17 and 19 builds; True Precision Axiom slides; and Tyrant CNC extended slide releases for Glock, the Sig Sauer P365 and the Springfield Hellcat. True Precision also makes TP22 bolts for the Ruger 10/22. To finish a build, see trigger parts or shop complete pistols.

Common questions

What is the difference between a bolt and a bolt carrier group?

The bolt is the locking part that holds the extractor and the face the cartridge rests on. A bolt carrier group is the full assembly: carrier, bolt, firing pin, cam pin, retaining pin and gas key. Buy a complete BCG unless you are only replacing a worn bolt.

Do I need an FFL to buy a slide, bolt or BCG?

No. Slides, bolts and bolt carrier groups are not the serialized part of the gun. The pistol frame or AR lower receiver is the regulated part, and that is what transfers through an FFL.

Will a Glock Gen 5 part fit my Gen 3?

Not always. Several Glock parts changed between generations, so check the model and generation in the product title before you order.