Pay in 4 interest-free payments of $798.75 Learn more
Ships within 48 hours · Estimated delivery Sep 1 - Sep 6
and compatibility with most 4
Constructed from CNC-machined aluminum with an eye-catching red anodized finish
Adjustable pre-travel and over-travel screws allow for fine-tuned performance according to your shooting preferences
Made from EN AW 7075 T6 CNC-machined aluminum
The MAXX Model CNC Aluminum Hopup Chamber M4A - PRO is a premium hop-up unit designed for standard M4/M16 AEG rifles with rear or front wiring gearbox
RetroArms CNC Hop Up Chamber AR15 ULTRA JeffTron and compatibility with most 4Built for uncompromising accuracy and premium performance, the RetroArms CNC Hop Up Chamber AR15 ULTRA is a high end upgrade made from durable aircraft grade aluminum (EN AW 7075 T6). Designed specifically for AR15 M4 AEG platforms, the ULTRA version features enhanced geometry and improved contact points to deliver optimal hop up consistency and air seal, especially for precision builds. Features: CNC machined from EN AW 7075 T6 aircraft aluminum
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