The Battle Arms Development Enhanced Lower Parts Kit is a specialty kit which contains an Enhanced Bolt Catch, Enhanced Single Sided Safety Selector, and Enhanced Magazine Catch. This is a cost friendly alternative which allows you to focus on quality without having to sacrifice on your build. This upgrade provides you with a modular design, enhanced control surfaces and better ergonomics. All parts feature a matte black finish.

Specifications and Features:
Battle Arms Development 100-025-392

Enhanced Bolt Catch (BAD-EBC-IC)
Lightweight but Robust Design 0.39oz
Compatible with Norgon Ambi-Catch Without Interference
Raised "T-Shaped" Heel Provides Positive and Distinctive Control Surface for Bolt Lock Back
Bold Horizontal and Diagonal Serrations Provides Positive Purchase

Enhanced Single Sided Safety Selector (BAD-E4S-IC) for the AR15 Style Rifles
Based on the BAD-ASS Ambidextrous Safety Selector with distinctive and diagonal serrations
Single Side Safety Selector (0°-90° SEMI AUTO)
Fit all Mil-Spec Dimensioned AR-15 Lower Receiver
Black Phosphate Finish
Investment Cast 8620 Heat Treated Steel
MADE IN U.S.A.

Enhanced Magazine Catch - BAD-EMC-IC
Process: Investment Cast (Same Process as Mil-Spec)
Material: 8620 Heat Treated Steel Finish: Black Phosphate Finish
Construction: One Piece Engineering (Not Two-Piece)
Design: Lightweight Fluted Design
Compatibility: Compatible with Mil-Spec Magazine Release Button, BAD-EMR, BAD-EMMR, etc.
Length: Shorter Threaded Pin to Reduce Installed Magazine Button Profile of Solid Face
Magazine Release Buttons
Weight: 0.25 oz (v.s. 0.32 oz Mil-Spec)

Fits:
Mil-Spec Pattern AR-15 Lower Receivers