A method of manufacturing a modular rifle stock comprising - manufacturing a plurality of stock parts (2, 3, 4, 5) comprising a buttstock, a forestock and at least one center stock adapter (3, 4), - positioning the stock parts (2, 3, 4, 5) relative to each other in a joining position, - connecting the stock parts (2, 3, 4, 5) in the joining position, wherein all stock parts (2, 3, 4, 5) are manufactured from a material comprising plastic, wherein one or more center stock adapters (3, 4) are manufactured, and wherein at least some of the stock parts (2, 3, 4, 5) to be joined are each joined to one another in a materially bonded and non-detachable manner, wherein form-complementary connecting segments (7, 8; 9, 10; 11, 12; 13, 14) are formed at end regions of two stock parts (2, 3, 4, 5) to be joined in a materially bonded manner, via which form-complementary connecting segments (7, 8; 9, 10; 11, 12; 13, 14) the relevant stock parts (2, 3, 4, 5) are bonded to one another, and wherein corresponding joining surfaces (15, 16) are formed on the respective form-complementary connecting segments (7, 8) of two stock parts (2, 3) to be joined in a materially bonded manner, which joining surfaces (15, 16) are arranged facing one another in the joining position in such a way that a receiving space is formed between the joining surfaces (15, 16), which receiving space is filled with a curable adhesive in the course of joining and the adhesive is cured, characterized in that in at least one of two form-complementary connecting segments (7, 8; 9, 10; 11, 12; 13, 14), an adhesive channel or a plurality of adhesive channels is or are formed in such a way that the adhesive channel or the adhesive channels opens or open into the receiving space in the joining position, and that the adhesive is filled into the receiving space in the joining position via the adhesive channel or via the adhesive channels. - manufacturing a plurality of stock parts (2, 3, 4, 5) comprising a buttstock, a forestock and at least one center stock adapter (3, 4), - positioning the stock parts (2, 3, 4, 5) relative to each other in a joining position, - connecting the stock parts (2, 3, 4, 5) in the joining position, wherein all stock parts (2, 3, 4, 5) are manufactured from a material comprising plastic, wherein one or more center stock adapters (3, 4) are manufactured, and wherein at least some of the stock parts (2, 3, 4, 5) to be joined are each joined to one another in a materially bonded and non-detachable manner, wherein form-complementary connecting segments (7, 8; 9, 10; 11, 12; 13, 14) are formed at end regions of two stock parts (2, 3, 4, 5) to be joined in a materially bonded manner, via which form-complementary connecting segments (7, 8; 9, 10; 11, 12; 13, 14) the relevant stock parts (2, 3, 4, 5) are bonded to one another, and wherein corresponding joining surfaces (15, 16) are formed on the respective form-complementary connecting segments (7, 8) of two stock parts (2, 3) to be joined in a materially bonded manner, which joining surfaces (15, 16) are arranged facing one another in the joining position in such a way that a receiving space is formed between the joining surfaces (15, 16), which receiving space is filled with a curable adhesive in the course of joining and the adhesive is cured, characterized in that in at least one of two form-complementary connecting segments (7, 8; 9, 10; 11, 12; 13, 14), an adhesive channel or a plurality of adhesive channels is or are formed in such a way that the adhesive channel or the adhesive channels opens or open into the receiving space in the joining position, and that the adhesive is filled into the receiving space in the joining position via the adhesive channel or via the adhesive channels.