LEO® Telescoping Stock Kit for Beretta 1301 (12-GA)
Adapts AR-15 style butt stocks and pistol grips for use with Beretta 1301 semi-automatic shotguns to give the shotgun similar handling characteristics to the AR-15. Our complete stock kits include the aluminum AR adapter; Hogue rubber overmolded grip; US-made mil-spec six-position M4 SOPMOD style telescoping stock assembly; and all necessary assembly hardware and instructions. The optional recoil buffer can absorb felt recoil by up to 70%.
System Concept and Product Overview
Use Mesa Tactical’s collapsible stock kits and adapters to install AR-15 adjustable buttstocks and pistol grips onto the venerable Beretta 1301 shotgun platforms for the ultimate in tactical shotgun configuration performance.
Equipped with the Mesa Tactical stock adapter, the shotguns have an adjustable length-of-pull to perfectly fit to the shooter’s stature or equipment, such as body armor; feature handling characteristics similar to the ubiquitous AR-15; are more compact for transport and storage; and are more controllable due to the pistol grip configuration.
LEO® telescoping stock adapters, which feature a stock elevation about an inch lower than the High-tube adapters and so don’t require sighting or aiming aids.
These adapters are available in two types of kits, adapter kits or complete stock kits.
The heart of the Mesa Tactical Telescoping Stock Conversion Kit is the stock adapter. The stock adapters are investment cast aircraft grade aluminum, CNC machined and powdercoated black with a tough, chemical resistant finish.
The concept is simple: the shotgun stock is replaced by an adapter that mimics the stock attachment point of an AR-15 lower receiver. This adapter accepts an AR-15 receiver buffer tube. The AR-15 collapsible stock and pistol grip can then be reliably attached to the shotgun.
Stock kits additionally include an M4 Carbine style telescoping buttstock assembly, a Hogue rubber overmolded pistol grip, a stamped steel stock wrench and a push-button sling swivel. A slip-on rubber butt pad for the M4 Carbine buttstock is available separately.
All LEO adapters accept optional push-button sling swivels.
Shotgun Platform Compatibility
The Telescoping stock adapter Shotgun Conversion Kits are available for the following 12 gauge and 20 gauge shotgun platforms:
Generally, Mesa Tactical telescoping stock adapters will not fit on semiautomatic shotguns. Most semi-automatic shotguns feature a return spring housing that extends from the rear of the shotgun receiver that makes it impossible to fit an AR-15 stock system to the weapon.
Stock and Grip Compatibility
The Mesa Tactical LEO telescoping stock adapters can accept AR-15 stocks that do not require a lower indexing dimple. This includes most military and commercial collapsing stocks, but few if any fixed stocks. Generally, any stock with an indexing groove machined into the ventral side of the receiver extension tube threads will work with the LEO Telescoping stock adapter. Other stocks may be installed with minor fitting.
Similarly, the Mesa Tactical LEO telescoping stock adapters can accept any grip that does not feature a rear upper extension.
Recoil Buffer Kits
Mesa Tactical Recoil stock kits include a Crosshair™ recoil buffer assembly instead of the hollow receiver extension tube. The recoil buffer can absorb felt recoil. Install the recoil buffer according to the instructions below, just as if it was a receiver extension tube.
WARNING: The Crosshair buffer is spring loaded. Do not disassemble or serious personal injury or death could result.
WARNING: During firing the Crosshair buffer compresses up to ¾” as the shotgun moves rearward. DO NOT place eyes, hands or cheeks close to the grip of the stock adapter. Keep face and other body parts at least 2” from the threaded end of the Crosshair buffer.
The Mesa Tactical Telescoping Stock Adapter Shotgun Conversion Kit should include the following components:
- 1 Cast aluminum and powdercoated telescoping stock adapter
- 1 Receiver cap screw
- 1 Receiver screw hex key
- 1 AR grip screw
- 1 Custom “claw” receiver extension end plate
- 1 Sling plate blank
- 1 AR grip nut
- 1 AR grip screw spacer
- 1 M4 Carbine style 5- or 6-position telescoping stock assembly
- 1 Push-button QD sling swivel
- 1 Receiver extension stock nut
- 1 Hogue AR pistol grip
- 1 Stamped steel stock wrench
Assembly of the Mesa Tactical Telescoping Stock Adapter Shotgun Conversion Kit requires no special tools and should take less than 30 minutes. All required hex keys and an AR-15 stock wrench are included with the stock kit. All you will need to provide is a Phillips head screwdriver (for the pistol grip), plus whatever tools are required to remove the old stock (an AR-15 stock wrench and stock nut is not included with the stock adapter kit, only with the complete stock kit).
Optionally, you might want blue Loctite® liquid thread locker for the screw threads. A torque wrench is also useful to ensure you are using the appropriate torque settings on the fasteners.
For assembly instructions (click here)
*The following items cannot be exported without a license
- 92190 Crosshair® Hydraulic Recoil Buffer (Mil-spec, 12-GA and 20-GA)
- 91850 Limbsaver® Snap-on Recoil Pad for M4 SOPMOD
- 92810 CAR Stock Lock Nut
- 91190 Push Button Sling Swivel for 1 1/4 in Webbing
Stock kits include push-button sling swivels. LEO Stock Adapters are also available for individual purchase.
- 91050 LEO Telescoping Stock Adapter for Beretta 1301 (12-GA)
- 91070 LEO Telescoping Hydraulic Recoil Stock Kit for Beretta 1301 (12-GA)
Stock Mount SureShell Shotshell Carriers
- 93340 SureShell Carrier for M4 SOPMOD Stock (4-shell, 12-GA and 20-GA) (Right Side)
- 93350 SureShell Carrier for M4 SOPMOD Stock (6-shell, 12-GA and 20-GA) (Right Side)
All Mesa Tactical products are made in the USA of high quality materials and include LIFETIME WARRANTY.Mesa Tactical warrants that all products are free from defective material and workmanship and, subject to the conditions set forth below, agrees to repair or replace any part of a product that proves defective by reason of improper workmanship or materials without charge for parts and labor. In no event will Mesa Tactical be liable for damages, lost revenue, lost wages, lost savings or any other incidental or consequential damages arising from purchase, use or inability to use this product. No express or implied warranty is madefor Mesa Tactical product damaged by accidents, misuse, natural or personal disaster, or any unauthorized disassembly, repair or modification. Mesa Tactical’s warranty covers only repair or replacement of defective Mesa Tactical products.
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