Steel Outer Barrel  Lock for MARUI M4 GBBR 
 
Enhance your MARUI M4 GBBR with our premium Steel Outer Barrel Lock, designed for ultimate durability and performance.
As specialists in airsoft gun parts, GSI USA offers this lock to ensure maximum stability and seamless operation. Crafted with precision, it guarantees a non-tilting barrel for improved accuracy during gameplay.
Compatible with VFC, WE, KJ, ICS, and other top brands, this lock is an essential upgrade for any serious airsoft enthusiast. Rely on GSI USA for top-quality components that deliver real value and elevate your airsoft experience.
 
• EAN & SKU for Gold:  8809899600085, SKU: BN20-MM4G
•Product Dimension & Weight:1.13(L)x0.1.13(W)x0.39(H) inch 0.4 oz
•Package Weight & Dimension:  4.3(L)x 3.3(W) x 0.4(H), 0.5oz