You cannot add "HK Sling For UMP G36 SL8 USC Etc Open Bag" to the cart because the product is out of stock. WAITLIST NOW HK PSG1 Style Trunnion RCM$9900 SKU: PSG1.1 Categories: MP5 & 90 Series, Services - HK PSG-1, Services HK 91 93 G3 33 53 90 Tags: HK91, MSG90, PSG1 Product ID: 8175 For PSG1, MSG90 and other, HK91/G3 type builds Standard 91/G3 barrel diameter ( not for “oversized” PSG1 barrels ) Machined and heat treated 9310 steel Held to the highest quality HK standards Made in the USA New old stock Product is out of stock Estimated Re-stock date: Unknown Notify me when this product is back. Please enter a valid email! Subscribe Description Additional information Description For PSG1, MSG90 and other, HK91/G3 type builds Standard 91/G3 barrel diameter ( not for “oversized” PSG1 barrels ) Machined and heat treated 9310 steel Held to the highest quality HK standards Made in the USA New old stock Additional information Weight 32 oz Dimensions 4 × 2 × 2 in 922r Qualifying Part YES – U.S. made Related products Out of stock WAITLIST NOW HK Type PSG1 Trigger Shoe Kit $4900 Out of stock WAITLIST NOW HK MP5 2 Position Lower Grip Frame Housing Used $4900 HK G3/91 EBO Greek Lower Housing 0 1 F For Semiauto $24900 Out of stock WAITLIST NOW HK MP5 4 Position Ambi Lower Group 0 1 3 F $1,49900