Product DescriptionThe Aimshot MBSKIT1 Modular Rifle Laser Boresighter Kit streamlines sight-in and zeroing across a wide range of popular rifle calibers. Built around the MBS223 laser bore sight module, this brass kit includes AR243 and AR3006 arbors to cover both .223-based and .308/.30-06 family cartridges. The red 5 mW laser provides a clear reference point, and the system includes internal button-cell batteries plus an external battery pack that uses two AAA batteries for extended runtime-up to 20+ hours with the red laser. The MBS223 module is compatible with additional Aimshot arbors, allowing you to expand to more calibers as needed.Product HighlightsComprehensive modular kit: MBS223 laser module with AR243 and AR3006 arbors for broad caliber coverageRed 5 mW laser delivers a bright, precise aiming point for quick, repeatable boresightingDurable brass construction for reliable alignment and long service lifeIncludes internal button cells and external battery pack (uses 2 AAA) for extended runtime up to 20+ hoursCompatible with additional Aimshot rifle arbors to support more calibersSpecsProduct Type: Modular rifle laser boresighter kitIncluded Components: MBS223 laser bore sight, AR243 arbor, AR3006 arbor, internal button-cell batteries, external battery pack (uses 2 AAA)Caliber Coverage: .223-based calibers; .308-based calibers (.243, 7mm-08, .338 Federal, .260 Remington); plus .30-06, .270, .280, .25-06, .300 SavageLaser/Output: Red, 5 mWMaterial: BrassBattery Type: Button-cell (internal) and external pack using 2x AAAUPC: 669256223023MPN: MBSKIT1Brand Name: AimshotDisclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.