Angstadt Arms Buffer KIT For .40 & .45 AR Pistols - AA45BUFKIT
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Angstadt Arms
Overview
The Angstadt Arms Buffer Kit is designed specifically for .40 and .45 AR pistols, featuring a Mil-Spec buffer tube that ensures compatibility with a wide range of lower receivers. This parts kit includes everything needed to create a reliable buffer system that can handle the unique recoil characteristics of larger caliber AR pistols. You’ll commonly find this buffer kit used in builds tailored for higher caliber performance, ensuring that your pistol operates smoothly and efficiently.
Specifications
August 2026 on GunPartPicker
Angstadt Arms Buffer KIT For .40 & .45 AR Pistols - AA45BUFKIT ranked #48 of the 88 buffers builders added on GunPartPicker in August 2026. Builders on GunPartPicker first added it to a build in June 2026.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, but today only Optics Planet has it in stock. It dipped to $61 at Classic Firearms for a stretch in August 2026, under its usual $63 to $63.99, so sales do come around. Buying today, the lowest price is $63 at Optics Planet.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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