Main Features:
<br />The inner barrel is used for outdoor hunting
<br />304 stainless steel made, very durable 
<br />With inside the mirror polishing craft, precision measurement of the inner hole perpendicularity, it can ensure high precise ballistic trajectory
<br />It suits for M4A1 / SR16 / SIG 551 gun
<br />Diameter of bore: 6.03mm
<br />Whole length: 363mm
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<br />    Specifications
<br />Specification
<br />	 Material: 304 Stainless Steel                                                  
<br />                        Color: Silver                                                	
<br />Dimension and Weight
<br />	 Product weight: 0.083 kg                                                  
<br />                        Package weight  : 0.133 kg                                                  
<br />                        Product size (L x W x H): 36.3 x 0.605 x 0.605 cm / 14.27 x 0.24 x 0.24 inches                                                  
<br />                        Package size (L x W x H): 38.3 x 1.6 x 1.7 cm / 15.05 x 0.63 x 0.67 inches                                                	
<br />Package contents
<br />	 Package contents: 1 x IB-363 Inner Barrel                                                	
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