Home / Products / Lmt Defense / LMT Defense Standard Semi-Auto 5.56 NATO Bolt Carrier Assembly, No Bolt
LMT Defense Standard Semi-Auto 5.56 NATO Bolt Carrier Assembly, No Bolt
Lowest Listed Price
$119.7
MSRP
$119.7
Savings
See retailer
Retailers Reporting In Stock
0 Stores
Updated
Aug 26, 2026
Compare Deals from 1 Retailers
Sorted by lowest price
Specifications
Description
LMT Defense Semi-Auto 5.56 Bolt Carrier - R-L7A3A / L7A3AFeaturesThe LMT Defense Semi-Auto 5.56 Bolt Carrier (R-L7A3A) is a precision-machined, mil-spec quality carrier designed for direct impingement AR-15 platforms. This is the carrier only - does not include the bolt, firing pin, cam pin, or retaining pin - making it ideal for custom builds or as a replacement part. Manufactured to LMT's legendary standards and test-fired at the factory, it offers reliable function across multiple calibers including 5.56 NATO, .223 Remington, .300 BLK, .204 Ruger, and 6.8 SPC. The carrier features standard semi-auto geometry optimized for smooth cycling and long-term durability in semi-automatic rifles.SpecificationsManufacturer: LMT Defense (Lewis Machine & Tool)Model: Semi-Auto 5.56 Bolt CarrierSKU: R-L7A3A / L7A3ACaliber: 5.56A-45 / .223 Rem (.204 RU, .300 BLK, 6.8 SPC compatible)Weight: 0.566 lbsOperating System: Direct ImpingementType: Carrier Only (semi-auto profile)Finish: Manganese PhosphateCompatibility: Standard AR-15 / M4 uppersWhy the LMT Defense Standard Semi-Auto 5.56 Bolt Carrier?LMT's semi-auto carrier provides unmatched reliability and longevity for your AR-15 build or repair. Its precise machining ensures consistent lockup and smooth operation, reducing wear on other components while maintaining factory-level performance.Ready to upgrade or repair with genuine LMT quality? Add the LMT Defense Semi-Auto 5.56 Bolt Carrier R-L7A3A to your cart at ARMSAGORA's retailers today.
