Dirty Bird SBA3 Lower Build Kit
Lowest Listed Price
$197.95
MSRP
$197.95
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Updated
Sep 2, 2026
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Specifications
Brand
MPN
D034
Description
Dirty Bird SBA3 Lower Build KitThe Dirty Bird Industries SBA3 Lower Build Kit includes everything needed to finish your AR Pistol Lower Receiver using the ever-popular SB Tactical SBA3 Stabilizing Brace. This kit includes the Dirty Bird enhanced Lower Parts Kit, which features their 5-star-rated Nickel Teflon Single-Stage Trigger Group. This trigger features honed and polished engagement surfaces, a slick and durable Nickel Teflon finish, and finely tuned trigger/hammer spring rates. This means you get a smooth trigger pull with very little take-up and a crisp, clean break at 5 - 5.5 pounds. Additionally, you'll get an enhanced polymer trigger guard and an extra takedown/pivot pin detent and spring in case one gets lost during installation. The kit also includes the Dirty Bird AR-15 True Mil-Spec Carbine Receiver Extension / Buffer Kit. This popular buffer kit features a true Mil-Spec 6-Position Receiver Extension (buffer tube) machined from American-made 7075-T6 Aluminum, a 3oz Carbine Recoil Buffer with steel counterweights, a chrome-silicon buffer spring, a hardened castle nut with staking cuts, and a Mil-Spec end plate.Each component in this kit, down to the springs and detents, is sourced from the best of the best, and they're all 100% American Made.Includes SB Tactical SBA3 Pistol Stabilizing Brace Dirty Bird AR-15 True Mil-Spec Carbine Receiver Extension / Buffer Kit 7075-T6 Aluminum 6-Position Mil-Spec Receiver Extension (7075-T6 Aluminum is nearly twice as strong as 6061) 3oz Carbine Recoil Buffer w/ Steel Counter Weights Hardened Castle Nut w/ Staking Cuts Mil-Spec End Plate Dirty Bird Enhanced Lower Parts kit Nickel Teflon Trigger Group Nickel Teflon Honed and Polished Trigger and Hammer Enhanced Disconnector Disconnector Spring Trigger Spring Hammer Spring Trigger / Hammer Pins (x2) Bolt Catch Magazine Catch Magazine Catch Button Safety Selector Enhanced Polymer Trigger Guard (w/ set screw) Trigger / Hammer Pins (x2) Takedown Pin Pivot Pin Takedown / Pivot Pin Springs (x3) Takedown / Pivot Pin Detents (x3) Safety Selector Detent Safety Selector Detent Spring Magazine Catch Spring Trigger Guard Roll Pin Bolt Catch Detent Bolt Catch Detent Spring Bolt Catch Roll Pin Buffer Retainer / Detent Buffer Retainer / Detent Spring A2 Pistol Grip Assembly
