Magazine Extension Assembly
Carlson's Shotgun Magazine ExtensionsFor Home Defense, Tactical and Law Enforcement Use
Add firepower to your favorite shotgun. These magazine extensions are constructed of blued solid steel and come with spring, base clamp with swivel stud (included) to work with quick detachable swivel (not included), and a high visibility follower (some extensions require factory follower and will not come with one). The threaded tube replaces you magazine cap and gives you the ability to add extra rounds to you magazine. Easy to follow instructions are included. The magazine extension tube is great for home protection, competition shooting, and law enforcement. See chart below for the make/model and the magazine capacity.
Overall Length of Extensions: 04500 (8.25-inch), 04501 (10.5-inch), 04502 (6.25-inch), 04503 (6.375-inch), 04504 (14.25-inch), 04505 (8.25-inch), 04506 (6.25-inch), 04507 (8.25-inch), 04508 (5-inch), 04510 (14.25), and 04511 (8.5-inch), 04512 (8.38-inch), 04513 (8.13-inch), 04514 (14.13-inch), 04515 (8.13-inch), 04516 (14.13-inch), 04517 (8.5-inch), 04518 (14.25-inch), 04519 (8.5-inch), 04520 (14.25-inch), 04521 (19.25-inch), 04522 (19.25-inch), 04524 (7.5"w/spring), 04530 (8.5-inch), 04531 (8.5-inch), 04532 (8.25-inch)
**Magazine round count is for the total capacity using 2 3/4-inch shells including 1 in the chamber, When using 3" shells you lose 1 shell capacity. When using 3 1/2" shells you lose 2 shell capacity.**
Example: 8 shot extension= is 7 (2.75" shells) in the extension and 1 in the chamber, 6 (3" shells) in the extension and 1 in the chamber, or 5 (3 1/2" shells) in the extension and one in the chamber.
**Remington extensions require removal of tabs / detent in magazine tube on newer model shotguns**
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Item#DescriptionPriceQuantity
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0450012ga - Remington 870/1100/11-87/Versa Max/V, - 8-Shot86.50000004500C12ga - Magazine Ext Sling Clamp16.95000004500S12ga - Magazine Ext Replacement Spring16.5000000450112ga - Benelli M1, M2, Super Black Eagle I, II, & III - 8-Shot86.5000000450212ga - Benelli Nova/Super Nova, CZ 912, and Beretta Extrema - 7-Shot85.5000000450312ga - Winchester 1200/1300 - 7-Shot85.5000000450412ga - Remington 870/1100/11-87/Versa Max/V3 - 10-Shot89.5000000450512ga - Winchester SX2, SX3, & SX4 / Browning Gold & Silver - 8-Shot89.5000000450612ga - Remington 870/1100/11-87/Versa Max/V3, 7-shot85.5000000450712ga - Benelli Nova/Super Nova/ CZ 912/Beretta Extrema & 1301 8 Shot86.5000000450812ga - Benelli M4 - 7-Shot85.5000000451012ga - Benelli Nova/Super Nova/ CZ 912/Beretta Extrema & 1301 10 Shot89.5000000451112ga - CZ 612 (612 Only) 8-Shot (will NOT fit HC-P models)86.5000000451212ga - Beretta A-300 Extrema, A-400 Extreme, TX4 Storm (only), 8 Shot (Not Unico)89.5000000451312ga - Stoeger M3000/3500 & P3000/3500, 8-Shot86.5000000451412ga - Stoeger M3000/3500 & P3000/3500, 10-Shot89.5000000451512ga - Mossberg 590/835/930/935/5500/9200, 8-Shot86.5000000451612ga - Mossberg 590/835/930/935/5500/9200, 10-Shot89.5000000451712ga - Franchi Affinity and Intensity - 8 Shot86.5000000451812ga - Benelli M1, M2, Super Black Eagle I, II, & III 10-Shot89.5000000451912ga - NEW Browning A5 (2016 & Later models) - 8 Shot86.5000000452012ga - NEW Browning A5 (2016 & Later models) - 10 Shot89.5000000452112ga - Remington 870/1100/11-87/Versa Max/V3, 12-shot93.9500000452212ga - Benelli M1, M2, Super Black Eagle I, II, & III - 12-Shot93.95000004524Spas 12 12 Gauge Magazine Extension Assembly (Spas 12) - 7 shot extension99.9500000453020ga - Remington 870/1100/11-87 - 8 Shot86.5000000453120ga - Benelli M1, M2, & Franchi - 8 Shot86.5000000453220ga - Mossberg SA-20 - 8 Shot86.5000000453312ga- Tri-Star Raptor 8-Shot Ext86.5000000453412ga- Tri-Star Vipor 8-Shot Ext86.500000