Replacement o-ring for CMMG Mk3 or LR-308 extractor springs.
Specifications
Platform
Mk3
Reviews
Armor Black
Charcoal Green
Coyote Tan
Hard Coat Anodized
Flat Dark Earth
Burnt Bronze
Midnight Bronze
Bazooka Green
Stormtrooper White
Slate
OD Green
Titanium
Graphite Black
⚠ NFA-REGULATED ITEM
Suppressors and SBR's are handled differently from a firearm at your FFL. It is your responsibility to ensure that they are in compliance with NFA regulations as well as any applicable laws. Applicable laws can vary both between and within states.