JP ULMOS BCG - Small Frame

The JP ULMOS™ Bolt Carrier Group – Small Frame (JPBC-1) is a lightweight AR-15 bolt carrier group designed for competition and performance-oriented builds. Manufactured from 7075-T6 aluminum with an anodized finish, this small-frame BCG reduces reciprocating mass to support faster cycling and reduced felt recoil in tuned rifle setups. It is intended for use in AR-15 platform rifles (not compatible with .308/AR-10 style rifles) and is commonly paired with adjustable gas systems to help regulate operating forces.

This model includes the JP EnhancedBolt™ and is packaged with a titanium firing pin. As with other non-ferrous carriers, service life will vary depending on configuration, ammunition, and maintenance. For optimal durability, it is recommended for use with mid-length or longer gas systems and properly adjusted gas flow. This component is typically selected for competition or range applications rather than duty or defensive use.

 
Specifications

• Platform Compatibility: AR-15 (small frame only; not compatible with .308 AR-type rifles)
• Intended Use: Competition / performance applications
• Material: 7075-T6 aluminum carrier
• Finish: Anodized
• Firing Pin: Titanium (included)
• Weight: 5.8 oz.
• Recommended Gas System: Adjustable gas system; mid-length or longer for extended service life