KAK Industry Mini Milspec AR-15 Buffer Tube 5-Position

This is a proprietary item designed to work with our mini buffer and our flat wire spring onlyWe are listing these for people who want to use these for folding receiver extensions to achieve better length of pulls with AK47, Galil, and similarWe take no responsibility for any issues that may occur for mixing and matching buffers or springs that are not designed for this proprietary KAK mini buffer tube, only KAK Industry produced flat wire buffer spring and mini buffer are designed to work with this itemThe M4 stock is taken down from just over 6.5" to 5", Mini Buffer Tube is only 5.25" in length from end of the receiver when installed. The Mini Milspec M4 Stock can collapse completely flush in the last adjustment hole on the buffer tube making the front of the stock flush with the castle nut.Mini Milspec Buffer Tube with Mini M4 Stock Installed, collapsed configuration- 5 5/8" from back of receiverNormal Milspec M4 stock with 6 position buffer tube- 7 1/8"Magpul SL-M will collapse flush with castle nut in 2nd adjustment slot, .5" longer than KAK Mini M4 StockMini BufferProprietary Mini 5 Position Buffer Tube extends only 5.25" from the rear of the receiver. Buffer will accept Milspec parts and stocks.Material- 7075 Impact ExtrusionLength- 5.75"Weight- 3.1 ozFinish- Black Military Hard Coat AnodizedPositions- 5 Uses standard milsepc end plate and castle nut