AR-15 5.56 NATO 7.5" Complete Billet Side Charging Upper / Non-Reciprocating This drop-in upper will attach to virtually any standard Mil Spec AR-15 lower assembly. The upper is optimized for the 5.56 NATO cartridge, with a barrel length of 7.5 inches. This setup is centered around its side charging mechanism which does not reciprocate. This setup would offer a compact, highly maneuverable platform ideal for close-quarters situations or any application where size and rapid engagement capability are priorities. It combines modern tactical features with the reliability and versatility inherent in the AR-15 platform.
Features:
1. **C4-Non-Reciprocating Side Charging Upper**: The non-reciprocating side charging feature is significant because, unlike traditional rear charging handles on most AR-15s, a side charging upper allows the shooter to charge the rifle without moving the rifle away from the shooting position. The non-reciprocating aspect means that the charging handle does not move back and forth with each shot, which can be preferable for various reasons, including safety and convenience.
2. **7.5 5.56 NATO Barrel, 1x7 Twist**: Features compact barrel suited for close-quarters engagement. The 5.56 NATO chambering allows for the use of both 5.56 NATO and .223 Remington ammunition. The 1x7 twist rate refers to the rifling inside the barrel; the barrel makes one complete twist in seven inches. This twist rate is versatile, capable of stabilizing a wide range of bullet weights, and is especially suited for heavier bullets that might be preferred for certain applications.
3. **Lightweight Free Float Hand Guard – 7″ – MLOK**: A free-floating handguard that does not contact the barrel or its gas system, which can improve accuracy by reducing the forces applied to the barrel. M-LOK refers to a modular locking accessory mounting system developed by Magpul, which allows for direct attachment of accessories or rails only where needed. The 7 length is consistent with the compact nature of the upper, designed to match the barrel's length for a streamlined profile.
4. **M16 Style BCG**: Nitride, MPI tested, serrated.
5. **Standard Flash Hider 5.56mm**: The flash hider is designed to disperse burning gases emitted from the barrel so that the shooter's night vision is not as severely affected. For a short-barreled rifle, which typically produces more flash, this is an important feature.
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