Midwest Industries

♦ Extremely rugged, one piece free float design and construction♦ Featuring seven sides of M-LOK™ compatible slots♦ MI-SP7M Carbine - 7.25" model weighs 9.0 ounces with barrel nut♦ Inside diameter 1.75 inch, outside diameter 2.0 inch, 1.95 inch over mounting flats♦ US Patent Number 9,453,694♦ High quality MIL-STD 1913 top rail, T-marked for accessory location♦ One five slot Magpul® M-LOK™ polymer rail section included♦ Barrel nut wrench included♦ Construction from 6061 aluminum, hard coat anodized for a lifetime of service♦ MI Lifetime Warranty♦ 100% Made in America - Keeps America Working♦ US Patent Number USD788871Magpul® and M-LOK™ are trademarks of Magpul Industries CorpIMPORTANT COMPATIBILTY NOTES!Due to the many different dimensions in BILLET UPPER RECEIVERS on the market, please contact your billet upper receiver manufacture to insure fit of this handguard. This handguard is compatible with forged upper receivers as well as the Midwest Industries billet upper receiver. NOT FOR USE ON GAS PISTON AR's!