Brownells BRN XM177E2 UPPER RECEIVER, 11.5'', 1-7 TWIST, BLACK BRN-17711-7

Brownells BRN XM177E2 Upper Receiver 11.5" 1-7 Twist BRN-17711-7 Brownells BRN XM177E2 Upper Receiver, 11.5'', 1-7 Twist, Black BRN-17711-7 The Brownells BRN XM177E2 Upper Receiver (BRN-17711-7) is a premium retro-style upper receiver assembly that combines the classic appearance of the historic XM177E2 carbine with modern performance enhancements. This model features an 11.5-inch barrel with a fast 1:7 twist rate, finished in matte black, making it an excellent choice for builders who want authentic retro aesthetics with improved accuracy and bullet stabilization. Authentic XM177E2 Styling This upper receiver is designed to closely replicate the iconic XM177E2, a compact carbine variant famously used during the Vietnam War. With its short 11.5-inch barrel and distinctive profile, it allows enthusiasts to build a visually accurate retro AR-15 while benefiting from modern manufacturing and design improvements. 11.5 Inch Barrel with 1:7 Twist Rate The 11.5-inch barrel is paired with a modern 1:7 twist rate, which provides superior stabilization for heavier bullet weights compared to the original 1:12 twist barrels. This makes the upper more versatile for today’s ammunition, including 62gr, 69gr, and 77gr projectiles commonly used in precision and defensive applications. Modern Performance in a Retro Package While maintaining the classic XM177E2 look, the 1:7 twist rate significantly improves the upper’s performance with contemporary ammunition. Shooters can enjoy the nostalgic appearance of a Vietnam-era carbine without sacrificing the accuracy and terminal performance expected from modern AR-15 platforms. Key Features of the Brownells BRN XM177E2 Upper Classic XM177E2 retro styling 11.5-inch barrel length Modern 1:7 twist rate Matte black finish Designed for retro-modern AR-15 builds Model Number: BRN-17711-7 Common Applications XM177E2 clone and retro builds Short-barreled AR-15 configurations Collectors seeking modernized retro rifles Defensive and recreational shooting Builds requiring better heavy bullet performance Benefits for Retro Rifle Builders The Brownells BRN XM177E2 Upper with the 1:7 twist offers the best of both worlds. Builders get the distinctive short-barreled look of the original XM177E2 while gaining the accuracy and versatility of a modern twist rate. This makes it particularly appealing for those who want historical appearance without compromising on performance. Why Choose Brownells BRN Products? Brownells is recognized for producing high-quality AR-15 components that balance historical accuracy with modern functionality. The BRN XM177E2 upper series is engineered to meet the needs of retro enthusiasts who also demand reliable, accurate performance from their builds. Technical Specifications Brand: Brownells Model: BRN XM177E2 Upper Barrel Length: 11.5 inches Twist Rate: 1:7 Finish: Black Part Number: BRN-17711-7 XM177E2 Style Modern Twist Upper Receiver The Brownells BRN XM177E2 Upper Receiver (BRN-17711-7) is a complete upper assembly featuring an 11.5-inch barrel with a modern 1:7 twist rate and classic black finish. Designed with authentic XM177E2 styling, this upper delivers retro aesthetics combined with improved performance for heavier bullets. Part number BRN-17711-7, this Brownells BRN upper is an excellent choice for retro AR-15 builds that prioritize both historical appearance and modern accuracy. The End