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Hellbreaker’s distinctive appearance is inspired by the P-40 Warhawk. It is machined top to bottom from 7075-T6 aluminum with an oversized and integral trigger guard, beveled magazine flare, and a Multi caliber mark. The Hellbreaker is fully compatible with all mil-spec internal parts and other aftermarket mil-spec upper receivers, and GI standard issue magazines as well as PMags.
- Caliber : 223 Remington
- Caliber : 556NATO
- Color : Black
- Description : CNC Machined from a 7075 Billet Aluminum
- Manufacturer Part # : SBLR01
- Model : Hellbreaker
- Model : SBLR01
- Subcategory : Lower Receivers
- Type : Stripped Lower Receiver
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5
AR Pistol 5.7 x 28mm scratch build
Posted by AR Steve Robbins on Dec 12th 2025
This turned out sweet but don’t try the 5.7 with this lower due to the mag fitting VERY loosely. I engineered a fix and it’s tight. The mildest shooting AR Pistol I’ve ever built. People are begging me to sell them this gun. Wish I could submit pics!
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Anonymous –
This turned out sweet but don’t try the 5.7 with this lower due to the mag fitting VERY loosely. I engineered a fix and it’s tight. The mildest shooting AR Pistol I’ve ever built. People are begging me to sell them this gun. Wish I could submit pics!