Dirty Bird AR-10 Multi-Cal Ambidextrous Stripped Lower Receiver - Black

The Dirty Bird AR-10 Ambidextrous stripped lower receiver is the perfect building block for your new AR-10 build. Our Ambi AR-10 lower is a perfect fit with our AR-10 Billet Uppers and is a great fit with most other DPMS-style uppers from around the industry. Every single Dirty Bird AR-10 lower is precision-machined from 7075-T6 aluminum to hold extremely tight tolerances. We then have them broached, deburred and hard-coat anodized to build one of the highest quality lowers on the market. DBI AR-10 lowers also feature practical improvements to enhance the overall functionality of the rifle, including: Ambidextrous Bolt Release - To help with overall rifle manipulation Upper Receiver Tension Screw - To reduce slop between upper and lower receiver Integral Trigger Guard Threaded Bolt Catch Pin - For ease of installation Rear Takedown Detent Spring Retained with Set Screw Our AR-10 Lower is a multi-cal lower and accepts these calibers: .308 Winchester (7.62x51mm NATO), .243 Winchester, 6.5 Creedmoor, .260 Remington and .338 Federal. Made in the USA Backed by the Dirty Bird Limited Lifetime Warranty ***Width may cause lower to not be compatible with collapsing PDW stocks/braces.