SKU: 99505
UPC: 604544631050
MPN: 99505
The Weaver Base Extend Multi-slot for Remington 783 LA Matte (6-48) is a precision-engineered picatinny rail extension designed for shooters and tactical professionals who demand maximum flexibility in optic and accessory mounting. Built to integrate seamlessly with Remington 783 Long Action platforms, this matte black rail base extends your mounting real estate by one full inch, creating additional forward positioning options that are critical when running modern sight systems, night vision mounts, or specialized tactical optics on compact action rifles.
Manufactured to Weaver's exacting standards, this extend base features a durable black matte finish that reduces glint and resists corrosion in field environments—essential properties for both law enforcement and precision rifle applications. The multi-slot design maintains full compatibility with both Picatinny MIL-STD-1913 and Weaver-style mounting rings, ensuring your existing optic rings and rail-mounted accessories install without modification. The 6-48 threading specification guarantees secure attachment to Remington 783 LA receivers, while the extended forward geometry eliminates common sight alignment conflicts that arise when mounting modern low-profile optics on standard receiver bases.
Law enforcement designated marksmen, competition shooters, and precision rifle builders benefit most from this rail extension when transitioning between variable-power scopes and lower-mounted red dot or magnified hybrid systems. The additional inch of mounting length prevents mounting interference and allows proper eye relief adjustment across multiple optical platforms on a single rifle. Installation requires standard gunsmith tools and basic receiver preparation; the matte finish coordinates seamlessly with factory Remington 783 aesthetics while maintaining professional tactical appearance.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.