JMac Customs Blast Diversion Shield Bravo Black. The adapter is designed to give 3/8'' cheek rise and is extremely lightweight made of 7075 T6 Aluminum Alloy and Hard Anodized This adapter will also allow you to install AR stocks that are designed for the ''fixed stock'' buffer tube. The adapter also has 2 QD sling points Only weighs 2.43 oz Does NOT have locking capability while folded. Specifications for JMac Customs BDS-37 Blast Diversion Shield - Bravo: Manufacturer: JMac Customs Weight: 3.2 oz Finish: Nitride Condition: New Color: Black Fabric/Material: 17-4PH Stainless Steel Gun Make: Kalashnikov Features of JMac Customs BDS-37 Blast Diversion Shield - Bravo These will install in about 1 minute on the following 4.5mm folding rear trunnion rifles: Arsenal - 104/106/107 ur/cr/fr rifles Bulgarian - AKS-74 AKS-74m AKS-74u Nodak Spud KP (Khyber Pass Builds) RIfle Dynamics - RD501 & RD701 Krebs Custom - AK103K-S Definitive Arms - AKX-9 S (side-folding) Mod-2 requires a buffer tube castle nut & lock plate. Package Contents: JMac Customs BDS-37 Blast Diversion Shield - Bravo JMac Customs BDS-37: BDS-37 Blast Diversion Shield Bravo Black