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Armaspec
Overview
The Armaspec SRS Gen 4 Buffer-H2 Kit is designed specifically for carbine-length buffer systems and features a Mil-Spec buffer tube assembly that ensures compatibility with a wide range of AR-15 builds. The heavy-duty buffer helps to reduce recoil and increase overall stability during firing, making it an excellent choice for builders focused on performance in their setups. This buffer kit is commonly found in builds chambered for 5.56 NATO, where reliability and recoil management are essential.
Armaspec SRS Gen 4 Buffer-H2 KIT, Black - Advanced Recoil Management with Heavy-Duty Buffer - ARM263-H2
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Builders have been adding the Armaspec SRS Gen 4 Buffer-H2 KIT, Black - Advanced Recoil Management with Heavy-Duty Buffer - ARM263-H2 to their builds on GunPartPicker since February 2026. All time, it ranks #72 of the 183 buffer tube kits builders have added.
Today 2 of the 4 retailers we track have it in stock. Buying today, the lowest price is $108.89 at Classic Firearms.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every buffer tube assembly by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Buffer Tube Assembly Guide →Check it against the live catalog:
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