HAHN PRECISION TOP LOADING 9MM CONVERSION BLOCK A9CRT0702 – One-piece, machined aluminum block converts AR-15 lower receiver to 9mm. Compatible with all, Colt-type, 9mm upper receivers, the feed ramp is cut for reliable feeding with all types of ammo, including hollow point and frangible ball. Roller retention device holds block securely in receiver, prevents accidental release. Hardened steel ejector, feed ramp and bolt hold open give long service life; last-round-hold-open feature on bottom-loading model works when used with Colt magazines. Also works with modified UZI magazines but last-round-hold-open will not function. No receiver modification required. Top-Loading Block installs from the top of the lower receiver and Bottom-Loading Block installs from the bottom of the lower receiver.
*Adapter drops into the top of the receiver and virtually impossible to remove unless the upper receiver is opened. Ideal for users using converted Uzi 9mm magazines not concerned with having the bolt hold open feature. Bolt hold open works with AR 9mm magazines when SPECIAL 9mm AR BOLT CATCH is installed after the adapter. Uzi magazines require modification. Double feed system.
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