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R Arms Innovations - custom parts offered by New England Airgun

Check out the newest product  - The Bottle Gun!

Turn your Crosman/Benjamin pistol into a rifle
 for added Stability, Accuracy, and Comfort.

Shipping continental U.S.A and territories only.
How to use your Side-Folder
Marauder Pistol with Side-Folder
crosman adjustable stock adaptor to add ar stock to your pistol to make a carbine rifle
Benjamin Marauder Pistol With RAI A005 Stock and Adaptor Kit.
There are four adapters to choose from, a folding stock adapter, and Stock.
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​Single adapters only. (we assume you have a 6 Position Mil Spec Collapsible Stock and Buffer Tube.)
  • RAI A001  for Benjamin Marauder Pistols (BP2220), Crosman 17XX Series & Silhouette.
  • RAI A002  for Crosman Discovery and 22XX 2300(S) 2400 Series.  (not for the marauder pistol, use RAI A001)
  • RAI A003  for Anything that Accepts AR Buffer Tubes Except Rifles that need a Spring.
  • RAI A004  OUT OF STOCK - RESTOCK DATE UNKNOWN for Crosman 13XX Series, PC77, 2289.

Adapter Kits with 6 Position Mil Spec Collapsible Stock and Buffer Tube:
  • RAI A005  for Benjamin Marauder Pistols (BP2220), Crosman 17XX Series & Silhouette. (RAI A001 & RAI A009)
  • RAI A006  for Anything that Accepts AR Buffer Tubes Except Rifles that need a Spring. (RAI A003 & RAI A009)
  • RAI A007  for Crosman Discovery and 22XX 2300(S) 2400 Series. (RAI A002 & RAI A009)  (not for the marauder pistol, use RAI A005)
  • RAI A008  OUT OF STOCK - RESTOCK DATE UNKNOWN for Crosman 13XX Series, PC77, 2289. (RAI A004 & RAI A009)
Adapter Kits Including Side Folder, 6 Position Mil Spec Collapsible Stock,  and Buffer Tube:
  • RAI A025  for Benjamin Marauder Pistols (BP2220), Crosman 17XX Series & Silhouette. (RAI A010, RAI A001, RAI A009)
  • RAI A026  for Anything that Accepts AR Buffer Tubes Except Rifles that need a Spring. (RAI A010, RAI A003 , RAI A009)
  • RAI A027  for Crosman Discovery and 22XX 2300(S) 2400 Series. (RAI A010, RAI A002, RAI A009)  (not for the marauder pistol, use RAI A025)
  • RAI A028  OUT OF STOCK - RESTOCK DATE UNKNOWN for Crosman 13XX Series, PC77, 2289. (RAI A010, RAI A004, RAI A009)

Side folder and adjustable stock:
  • RAI A009   Adjustable stock only, 6 Position Mil Spec Collapsible Stock and Buffer Tube.
  • RAI A010   Side Folding stock Adapter only. AR15 compatible (1 -13/16"x16) thread​​
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All adapters are made to be used with actual AR stocks with  (1 -13/16"x16) thread, either mil-spec or commercial threads will work with the adapter, DO NOT try to use airsoft or paintball stocks.
To see the product images, click on the product number or on the "Shop" button 

For those who are having trouble activating  and breaking the side folder

Benjamin Marauder Woods Walker- Camo Stock (.22 cal Pellet) HPA PCP (Multi shot 8 round Magazine) (compressed air) with dot sight BP2220-AP
P-ROD - in basic black but we know how to dress her up with options!

Tactical Config
Marauder Pistol
just add RAI adaptor and adjustable stock.

We have extra magazines in stock - RC2208 .22 cal
  • Zero Recoil - No Kickback!
  • Ideal for precision target shooting and hunting small game / pests elimination up to 33 yds away
  • Bolt-action ,auto-indexing 8-rd mag
  • 11mm dovetail sight mount
  • 12" choked and shrouded barrel for quiet accuracy
  • 1.53 lbs. 2-stage adjustable match trigger.
  • 29.75" overall length, 15.75" length of pull as a rifle.
  • Uses 2,900 psi compressed air, pressure gauge, quick-disconnect male Foster fitting
  • 65cc (4 cu in) reservoir
  • Reversible bolt -- switch from right to left side
  • Realtree AP camo grip, forearm and detachable shoulder stock
  • Includes one mag, shoulder stock extension and CenterPoint Optics Multi-TAC Quick Aim 
  • approx 25 shots per fill.
Click on the photo to purchase
Turn your pistol into a rifle with this fully adjustable stock with adaptor to lower, heighten, or shift left or right.

To also include a side folding stock adapter - Click Here
A quick review of this product from Mr HollowPoint himself!
Make sure you get past the part with all the power tools... you will see they aren't really needed.