ACE Arule Stock Entry Length with Buffer Tube, Black - A145B
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Ace
Overview
The ACE Arule Stock Entry Length Buffer Tube is a Mil-Spec carbine tube designed for optimal performance and compatibility with standard AR-15 stock assemblies. Its black finish provides a sleek look while ensuring durability during use. This buffer tube is often found in builds that prioritize a lightweight and compact design, making it a popular choice for tactical and home defense setups.
Specifications
Build history on GunPartPicker
Builders on GunPartPicker first added the ACE Arule Stock Entry Length with Buffer Tube, Black - A145B to a build in July 2026.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today all 4 retailers we track have it in stock. The best price crept up from $122.99 to $133.68 over August 2026. Buying today, the lowest price is $122.99 at Palmetto State Armory, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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