7 Steps to Using Brownells’ AR-15/M16 Upper Receiver Lapping Tool
<div data-cycle-hash="balf15-blpt-1" data-cycle-desc="1. Strip the upper receiver of the barrel,
clean, inspect and remove any burrs or
debris if found. (Not Pictured)" data-cycle-overlay-template="{{desc}}“>
<div data-cycle-hash="balf15-blpt-2" data-cycle-desc="2. Mount upper receiver onto an action block and vise. (The vise should be bolted onto a sturdy surface. The image shown is for demonstrative purposes only.)" data-cycle-overlay-template="{{desc}}“>
<div data-cycle-hash="balf15-blpt-3" data-cycle-desc="3. Clean lapping tool and lubricate its pilot sections. Here, we use a lubricant called
FIREClean." data-cycle-overlay-template="{{desc}}“>
<div data-cycle-hash="balf15-blpt-4" data-cycle-desc="4. Apply lapping compound to the face of the lapping section of the tool. Be careful not to allow lapping compound to get onto the pilot section. You want to smooth down the receiver's face without scratching its interior." data-cycle-overlay-template="{{desc}}“>
<div data-cycle-hash="balf15-blpt-5" data-cycle-desc="5. With the upper receiver held securely in an action block, insert Brownells AR-15/M16 Upper Receiver Lapping Tool into the front
of the receiver. Make sure the tool rotates freely in the upper. " data-cycle-overlay-template="{{desc}}“>
<div data-cycle-hash="balf15-blpt-6" data-cycle-desc="6. Attach an electric hand drill to the tool's 3⁄8-inch shank. Apply firm forward pressure and use …read more
Source:: Tactical Life
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