Description
Building an AR from a stripped lower or bolting on new accessories means chasing down a pile of specialty tools, and this NcSTAR AR-15/M4 Gunsmithing Tool Roll gathers the essentials into one grab-and-go package. Everything lays out on a 36 inch by 29 inch black roll-up mat that doubles as a bench-protecting cleaning surface, then folds up with hook and loop straps so nothing rattles loose in the truck or the range bag.
What the AR-15/M4 Tool Roll Handles
The centerpiece is the TARW2 armorer's wrench, which covers barrel nuts, castle nuts, muzzle devices, and buffer tube work, plus a spanner cutout that comes in handy for free-float handguard locking rings. Alongside it you get a dedicated handguard removal tool and an A1/A2 front sight adjustment tool, so the two jobs most people fumble on their first build are already sorted. The brass and nylon hammer with a wooden handle rounds things out for driving pins without chewing up your finish.
Punches and Pin Work in the Kit
This is where the roll earns its keep. Steel punches are sized and labeled for the jobs that trip people up: a 5/64 inch for the gas tube roll pin, a 3/32 inch for the bolt catch, and a 1/8 inch for the trigger guard. You also get 1/4 inch and 5/16 inch brass punches for softer contact and 7/32 inch and 5/16 inch plastic punches when you want zero marring. Folks building ARs tend to single out the punch set as the standout piece, since having the right diameters on hand saves a lot of guesswork.
A nylon cleaning brush with broad and narrow bristle heads is tucked in too, so you can knock out fouling on the same mat you built the rifle on. It's a practical starter set for the home builder or anyone who wants their AR-specific tools living in one tidy roll instead of scattered across a toolbox.
Key Specifications
- Manufacturer: NcSTAR
- Manufacturer Part Number: TGSARKB
- Model: AR-15/M4 Gunsmithing Tool Kit
- UPC: 848754004291
- Color: Black
- Product Type: Tool Kit
- Firearm Fit: AR-15 / M4 platform
- Mat Dimensions: 36 in. x 29 in. roll-up cleaning mat
- Mat Closure: Hook and loop straps
- Armorer's Wrench: TARW2 multi-function
- Hammer: Brass and nylon head with wooden handle
What’s Included
- Black roll-up cleaning mat (36 in. x 29 in.) with hook and loop straps
- TARW2 AR-15/M4 armorer's wrench (barrel nut, castle nut, muzzle brake, buffer tube)
- TARHR AR-15/M4 handguard removal tool
- TARFSCT AR-15 A1 & A2 front sight adjustment tool
- Brass and nylon hammer with wooden handle
- 5/64 in. steel punch (gas tube roll pin)
- 3/32 in. steel punch (bolt catch roll pin)
- 1/8 in. steel punch (trigger guard roll pin)
- 1/4 in. brass punch
- 5/16 in. brass punch
- 7/32 in. plastic punch
- 5/16 in. plastic punch
- Nylon cleaning brush with broad and narrow bristle heads
Frequently Asked Questions
What can I do with the NcSTAR AR-15/M4 gunsmithing tool roll?
It's built to assemble an AR from a stripped lower and to install aftermarket parts. The TARW2 wrench handles barrel nuts, castle nuts, muzzle devices, and buffer tubes, while the punch set covers the gas tube, bolt catch, and trigger guard roll pins. You can also use the mat and brush for routine cleaning and maintenance.
Does the kit include the right punches for a first AR build?
Yes. You get steel punches sized for the gas tube (5/64 in.), bolt catch (3/32 in.), and trigger guard (1/8 in.) roll pins, plus brass and plastic punches for softer contact. Builders often point to the punch set as the most useful part of the kit.
How big is the roll-up mat and can I use it for cleaning?
The mat measures 36 inches by 29 inches, which gives you plenty of room to lay out a full rifle. It protects your bench from solvents and oils during cleaning, then rolls up with hook and loop straps to secure the tools for storage or transport.
Will the armorer's wrench work on free-float handguards?
The TARW2 wrench includes a spanner cutout that works well for tightening the locking ring on free-float handguards that use one. It also covers standard barrel nuts, castle nuts, and A1/A2 flash hiders, making it the workhorse of the kit.




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