Rearden R2C Flash Hider - Heat Treat - Tapered Shoulder 17-4 PH Atlas and Atlas XL compatible Plan B compatible Heat treat finish - gold / bronze Tapered shoulder.  Will also work with barrels with square shoulder.

Rearden R2S Flash Hider - Nitride 17-4 PH Atlas and Atlas XL compatible Plan B compatible Black Nitride finish (67 HRC Surface hardness) Shims not included, if you would like to specifically time this, shims will be required. Note: your barrel may...

Rearden R2S Flash Hider - Heat Treat 17-4 PH Atlas and Atlas XL compatible Plan B compatible Heat Treat Finish - Gold / Bronze Square shoulder Shims not included

Rearden R2S Flash Hider - Heat Treat 17-4 PH Atlas and Atlas XL compatible Plan B compatible Heat Treat Finish - Gold / Bronze Tapered shoulder for tapered barrels - Reverse compatible with non tapered barrels.

Schmid Tool is the mil-spec. That's pretty much it. They are the supplier for all the big guys in the industry and have been doing it for decades. That "S" forging mark is a guarantee of quality. Properly cast from 8620 steel Precision ground for smooth...

Schmid Tool AR15 Bolt Catch - Reversable Machined from 8620 steel Phosphate coated Fits all mil-spec lower receivers as well as most billet receivers

Schmid Tool AR15 Selector - Reversible Reversible to fit right or left side applications Machined from 8620 steel Precision ground Phosphate coated

10 Pack - Sprinco 5 Coil Extractor Spring - Includes 10 Springs & Spring Inserts Chrome Silicon Wirestock Heat Treated, Stress Relieved, and Cryogenic Processed Post Winding Impregnation / Plating with Re-Micronized Molybdenum Disulfide...

Bad Attitude Forged M4 / A4 Upper Receiver CNC Machined from a 7075-T6 forging Mil-Spec Type Type 3 Class 2 anodizing Dry film lube on the interior Lugs held to the high end of the spec to help with a snug lower fit M4 Feedramps Snug barrel fit Fits all...

Bad Attitude Department Stripped A4 Flat Top Upper Receiver - No Finish Same quality as our anodized versions, just without the finish.  Lugs are held to the high end of the tolerance to help promote a snug fit with the lower receiver. Machined...

Bad Attitude Forged M4 / A4 Upper Receiver - Prudent Technology We have a limited quantity of these uppers, machined by Prudent Technology during the time that they were running uppers for Colt & FN. CNC Machined from a 7075-T6 forging Mil-Spec Type...

Tribute AR15 Lower Receiver - Dick Butt DBA1 The one and only Dick Butt!  Now memorialized for your next build.  Be part of the Dick Butt Defense initiative! CNC Machined from a 7075-T6 forging Hard coat anodized - Black M4 style fire control...