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The heart of any .308 AR build is the bolt carrier group, and Luth-AR keeps things straightforward with this complete LR-308 unit. It arrives fully assembled with the bolt and extractor already installed, so you can drop it straight into a DPMS-pattern upper and get to work. The carrier is machined from 8620 steel and heat treated to Army specifications, then finished in manganese phosphate to shrug off corrosion and make cleanup easier after a long range day.
There's some real pedigree behind this part. Luth-AR was founded by Randy Luth, the man who originally started DPMS, so the company knows the .308 platform about as well as anyone in the game. That experience shows in the details: a properly staked gas key that stays put under heavy cycling, a 4340 alloy steel cam pin, and a 4130 alloy steel carrier key. It's a no-nonsense, full-mass carrier that does exactly what a BCG should do without a bunch of marketing dressing.
This is a DPMS/LR-308 pattern group, which is the most common big-bore layout out there. It's designed to run in DPMS, LR-308, and SR-25 pattern uppers chambered in .308 Winchester and 7.62×51 NATO. Keep in mind that .308 BCGs interchange as a complete unit, so this is meant to go in whole rather than swapping individual pieces between different bolts. If you're building fresh, replacing a worn carrier, or upgrading a factory rifle, it slots right in.
Standard maintenance applies here. Keep it lubed, keep it clean, and this carrier will give you years of reliable service. The manganese phosphate finish holds oil well, which helps the whole assembly cycle smoothly whether you're plinking, hunting, or stretching things out at distance. Proudly made in America.
It's built to the DPMS/LR-308 pattern, which covers the majority of .308 AR uppers, including SR-25 pattern rifles. Because .308 platforms vary between the DPMS and Armalite patterns, it's worth confirming your upper is DPMS/LR-308 pattern before ordering. When in doubt, check with your rifle's manufacturer on which pattern the barrel extension uses.
It's set up for .308 Winchester and 7.62×51 NATO. Since those cartridges share the same bolt face on the DPMS/LR-308 platform, this BCG is a good match for those chamberings. Always verify the bolt face matches any other .308-family cartridge you plan to run.
Yes. It ships complete with the bolt and extractor already installed, the gas key staked, and all pins in place. You can drop it straight into a compatible upper receiver and be ready to shoot after a quick lube.
On .308 platforms, bolt carrier groups are designed to be swapped as a complete unit rather than mixing individual bolts between carriers or rifles. For the best fit and reliability, install the whole BCG as it comes. That's the simplest way to keep headspace and function right where it should be.
| UPC | 812058030669 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 308-BCA |
| Product Type | Bolt Carrier Group |
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