AR-15 Ultimate Gunsmithing Tool Set

Upper Receiver Block for AR-15

A modular AR15/ M4 upper receiver block for performing work on your upper receiver. The upper receiver block also has a hole through the length of the block to act as a bore brush guide for cleaning out the bore of the barrel.

AR15 Barrel Wrench

• Heavy duty barrel wrench works with MIL-SPEC barrel nuts for installation or removal of the barrel and free float handguards with the same hole spacing.
• A 5/8” wrench on the opposite end for 5/8” muzzle brakes and flash suppressors.
• The wrench is also ½” and 3/8” drive ratchet and breaker bar compatible.

AR Lower Receiver Wrench

• Heavy duty castle nut wrench for M4 MIL-SPEC and commercial type collapsible stock buffer tubes.  
• A 3/4” wrench on the opposite end for the installation/removal of A2 buffer tubes.
• The wrench is also ½” and 3/8” drive ratchet and breaker bar compatible.

AR15/ M4 A1 & A2 Front Sight Adjustment Tool

Works with both A1 (5 prong) and A2 (4 prong) type front sight posts for zeroing your iron sights.

AR15/M4 Handguard Removal Tool

AR-15/ M4 GI handguard removal tool. Works with Rifle, Carbine, & Mid-Length handguards. Hook end goes into the magazine well and the two arms slips over the Delta ring for leveraging against the Delta ring spring, for the installation or removal of two piece top/ bottom plastic type handguards.

Magazine well lower receiver vice block

AR15/ M4 mag block can be inserted into the 5.56/.223 type magazine wells just like a magazine. Lower receiver can be secured to the mag block if you have the magazine catch assembly installed onto the lower receiver.

Clamp the mag block onto a bench vice with the center protrusion’s flat side down. Place the lower receiver magazine well onto the mag block for working on your lower receiver on a bench vice. You may then work on your trigger group, bolt catch assembly, buffer tube, stock, and receiver pins in this position.

Clamp the mag block onto a bench vice with the center protrusion’s flat side up. The mag block can also be inserted through the top of the lower receiver, if you do not have the bolt catch installed. You can then mount the lower receiver upside down on a vice. You may then work on your pistol grip, trigger guard, buffer tube, and stock in this position.

Hand tools:

• 5/64" steel punch - Gas Tube roll pin tool
• 3/32" steel punch - Bolt Catch roll pin tool
• 1/8" steel punch - Trigger Guard roll pin tool
• Mallet with nylon & brass ends and wooden handle
• 1/4" Hex screw driver handle with 5 each 1/4" Hex driver tool bits: 3/16" Hex bit, Philips PH2 & PH3 bits, Flat head #6 & #7 bits
• Nylon Cleaning Brush with broad and narrow bristles brush heads